More example … Empirical Formula (Hill Notation) C 10 H 4 N 2 Na 2 O 8 S . Lot and Batch Numbers can be found on a product's label The effect of formaldehyde induced shrinkage on nuclear Naphthol Yellow S binding. Search the White Pages for residential and business numbers in Auckland, Christchurch, Wellington, Dunedin, Tuaranga, Nelson, Palmerston North, Napier, and Rotorua. © 2021  Merck KGaA, Darmstadt, Germany and/or its affiliates. It is a derivative of 1-naphthol. Depending on other chemical features, these dyes fall into several categories defined by the fibres Find someone or a phone number, business, address or postcode.. Site Use Terms The naphthols are naphthalene homologues of phenol, but more reactive.Both isomers are soluble in simple alcohols, ethers, and chloroform. 2,4-Dinitro-1-naphthol-7-sulfonic acid sodium salt, PANTONE 13-0647 Illuminating is a bright and cheerful yellow sparkling with vivacity, a warming yellow shade imbued with solar power. Overview . Naphthol Yellow S : 100 g : $84.00 +-Add to Cart. Description. In isolated liver cells, fixed in 4 per cent formaldehyde (NFS) for Feulgen-Naphthol Yellow S (F-NYS) staining of DNA and protein, nuclear shrinkage increases the nuclear concentration of solids to 46 per cent (w/v) before the start of the NYS staining. HAZARDS IDENTIFICATION: Classification of the substance or mixture Not a hazardous substance or mixture according to Regulation (EC) No. Naphthol Yellow S, Acid Yellow 1 Analytical instrumentation and procedures Extraction : The extraction was carried out as follows: a small sample of thread was extracted with the TFA 2M in 1.5ml eppendorfs for 30 min, in 60ºC water bath, with constant agitation. • A few examples are: Naphthol yellow S Mordant green 4 10. Ungraded products supplied by Spectrum are indicative of a grade suitable for general industrial use or research purposes and typicall. 2-Naphthol, or β-naphthol, is a fluorescent colorless (or occasionally yellow) crystalline solid with the formula C 10 H 7 OH. -021. Attention-grabbing: Since yellow is the most visible color, it is also the most attention-getting color.Yellow can be used in a small amount to draw notice, such as on traffic signs or advertisements. If you find a lot number with a filling-code such as Spanish American War - Yellow journalism helped to push Spain and the United States into war in 1898. Note: The 2018 Yellow Book became effective for June 30, 2020, year-end financial audits and resulted in slight revisions to the chapter 4 illustrations. Yellow Journalism Examples. 1. The fragment ions with m/z = 116 and m/z = 115, corresponding to the ions C 9 H 8 + and C 9 H 7 +, are also shown in the mass spectrum of naphthols, proving some similarity between pyrolysis and fragmentation in mass spectrometry.The mass spectrum of 2-naphthol is shown in Fig. Lookchem Provide Cas No.846-70-8 Basic information: Properties,Safety Data,Sds and Other Datebase. | Privacy. N1301-25GM N1301-25GM . This substance is not classified as dangerous according to Directive 67/548/EEC. Pigment Red 22, a light, yellow shade Naphthol used in printing inks and air drying alkyd and aqueous paints that can be satisfied with this pigments marginal light resistance characteristics. They are of little importance industrially because the colors are not very fast. Naphthol may refer to: 1-Naphthol; 2-Naphthol; This set index page lists chemical compounds articles associated with the same name. Relevance. Please explain if anyone knows the answer. It is a derivative of 1-naphthol. Naphthol Yellow S. MDL. Favorite Answer. Lookchem Provide Cas No.846-70-8 Basic information: Properties,Safety Data,Sds and Other Datebase. As a member service, access a red-lined version of Example 4-3 to more easily identify what has changed. In context|organic compound|lang=en terms the difference between naphthalene and naphthol is that naphthalene is (organic compound) an aromatic bicyclic hydrocarbon, c 10 h 8; an acene containing two fused benzene rings while naphthol is (organic compound) either of two isomeric phenols derived from naphthalene; they are used in the preparation of dyes and many other compounds. At one time it was a popular food colorant but it was delisted in 1959 in the U.S.[2], Disodium 5,7-dinitro-8-oxidonaphthalene-2-sulfonate, Acid Yellow 1; Food Yellow 1; Sodium flavianate; Flavianic acid, sodium salt; C.I. It is an isomer of 1-naphthol, differing by the location of the hydroxyl group on the naphthalene ring. A crystalline solid derived from naphthalene, used to make antiseptics and dyes. Naphthol yellow (II) is used in a number of countries as a food dye. Gaub J. For example, 2K disperse fast yellow is of practical importance for dyeing a number of fibers: It is produced by the reaction of 2,4-dinitrochlorobenzene with p-aminophenol. MFCD00003958. Once it receives focus, use the arrow keys on the keyboard to move and position the product image. Propriétés chimiques. Naphthol Yellow S may be used as an analytical reference standard for the determination of Naphthol Yellow S in:• Foodstuffs by solid phase extraction (SPE) and high performance liquid chromatography (HPLC)-diode array detection (DAD)-ion trap time-of-flight tandem mass spectrometry (IT-TOF-MS3) equipped with multiple reaction monitoring (MRM) detection.• Drinks and candies by SPE followed by analysis using HPLC coupled to photodiode array (PDA) detector.• Wastewater samples by adsorption column chromatography.• Embroideries designed by the famous 19th century French painter Emile Bernard. 1. 1272/2008. Naphthol Yellow S, also known as Acid Yellow 1 or Food Yellow 1, is a dye and a general protein stain. (Picric acid) (Naphthol yellow S) 9. Azo Dyes • Azo dye is a large class of synthetic organic dyes that contain nitrogen as the azo group −N=N− as primary chromophore their molecular structures. In some cases, a COA may not be available on-line. At one time it was a popular food colorant but it was delisted in 1959 in the U.S. EINECS. Naphthol yellow s 846-70-8 3. C 1 0 H 4 N 2 Na 2 O 8 S. Poids moleculaire. FIRST AID MEASURES 4.1 Description of first aid measures If inhaled If breathed in, move person into fresh air. Nitro and Nitroso Dyes • These dyes contain nitro or nitroso groups as the chromophores and –OH as auxochrome. The barium salt of naphthol yellow is used for dyeing paper pulp and in the production of colored pencils. Naphthol yellow S is an organic compound that is a dye. Ammoniacal Naphthol Yellow S solution is a specific indicator for detecting small quantities of dithionite, the color changing rapidly from yellow to red. Naphthol Yellow S is a dye that is known for its hazardous nature. To zoom in, use the keyboard to focus on the arrow icon within the product image. Chemical formula: C₁₀H₇OH; two isomers, especially naphthalen-2-ol (β-naphthol) ‘Some of the dyes to which chromophores give a vibrant color are naphthol yellow, vat blue, congo red, and methylene blue.’. These stories were sensationalized in broadcast and print media alike, and now in digital form as well. Both compounds have long been identified with the manufacture of dyes and dye intermediates; they also have important uses in other areas of the chemical industry.. Answer Save. Need larger quantities for your development, manufacturing or research applications? Love words? Introduction: Naphthol yellow S Description of Naphthol yellow S Naphthol yellow S: Related Topics. It is produced by sulfonation of α-naphthol, with subsequent nitration of the product. Onomatopoeia Definition. Naphthol Yellow S. N1301 | 846-70-8. 10316. 212-690-2. A comparison has been made between dinitrofluorobenzene (DNFB) and Naphthol Yellow S (NYS) as protein stains in combination with the pararosaniline-SO2 Feulgen procedure. The "cold" water used in fiber reactive dyes such as Procion MX dyes should, ideally, be between 95° and 105°F (35° to 41°C), although temperatures as low as 70°F (21°C) may be used. Synonyms : Acid Yellow 1 Flavianic acid 2,4-Dinitro-1-naphthol-7-sulfonic acid 5,7-Dinitro-8-hydroxy-2-naphthalenesulfonic acid Formula : C 10 H 4 N 2 Na 2 O 8 S Molecular Weight : 358,19 g/mol 4. Azo Dyes Ar Preparation : Involves two steps - 1. Chemical CAS Number: 846-70-8 : Chemical Formula: Difficult to read: Yellow is also the most fatiguing to the eye due to the high amount of light that is reflected.Using yellow as a background on paper or computer monitors can lead to … Acid Yellow 1, following the words 'Lot' or 'Batch'. More than 250,000 words that aren't in our free dictionary 212-690-2. Pigment Red 112, a newer Naphthol Red that possesses a very clean, yellow hue and that finds use in both industrial and architectural paints. Chemical Comments: Classed chemically as a nitro color. Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others. 2. Model # F0100-25G; Catalog Page # N/A UNSPSC # 41116011; close. Nitro dyes (for example, picric acid) were among the first industrial dyes. Naphthol Yellow S, for microscopy (Hist. 62K1064 – you will only find the COO if Onomatopoeia, pronounced on-uh-mat-uh–pee–uh, is defined as a word which imitates the natural sounds of a thing.It creates a sound effect that mimics the thing described, making the description more expressive and interesting. Why does 2- naphthol couple with the diazonium salt at the ortho position of the ring? Azo dye, any of a large class of synthetic organic dyes that contain nitrogen as the azo group ―N=N― as part of their molecular structures; more than half the commercial dyes belong to this class. presented with a COA Request form. in front of the letter e.g. Naphthol Yellow S : 25 g : $57.00 +-Add to Cart. Once it receives focus, use the arrow keys on the keyboard to move and position the product image. (Naphthol is sometimes also spelled as 'napthol' or 'naphtol'; the latter is the German spelling.) Formule. K9. More important for COO: enter a "0" if only two numbers are If your We would like to show you a description here but the site won’t allow us. you enter 062K1064. EINECS. In isolated liver cells, fixed in 4 per cent formaldehyde (NFS) for Feulgen-Naphthol Yellow S (F-NYS) staining of DNA and protein, nuclear shrinkage increases the nuclear concentration of solids to 46 per cent (w/v) before the start of the NYS staining. naphthol [naf´thol] a phenol occurring in coal tar in two forms: α- or 1-naphthol and β- or 2-naphthol. 10316, Acid Yellow S, Amacid Yellow S, C.I. A few examples are : Naphthol yellow S can be used to dye wool, & is one of colors permitted in foods. . Naphthol, either of two colourless, crystalline organic compounds derived from naphthalene and belonging to the phenol family; each has the molecular formula C 1 0 H 7 OH. Model # F0100-25G; Catalog Page # N/A UNSPSC # 41116011; close. Type in Product Names, Product Numbers, or CAS Numbers to see suggestions. Customer Service, Synonym: Naphthol Yellow S. Ratings; Health 1: Flammability 1: Additional Info . Contact Technical Service for further support. Author: Gaub J, Journal: Experimental cell research[1975/05] Quantitative cytochemical aspects of a combined feulgen-naphthol yellow S staining procedure for the simultaneous determination of nuclear and cytoplasmic proteins and DNA in mammalian cells. 2. Both 1-naphthol and 2-naphthol behave similarly. Chicken erythrocytes were used as test cells. If you find a lot number such as TO09019TO - enter the lot Formule. All Rights Reserved. Colour Index Number 10316 . It is used in dyes, insecticides, and pharmaceutical compounds. Diazotation 2. 商品「Naphthol Yellow S Solution (SCY-NYS500-500ML)(カテゴリ:化成品)」に関する情報をご覧いただけます。 Naphthol yellow (II) is used in a number of countries as a food dye. 2 Answers. Naphthol Yellow S. MDL. Molecular Weight 358.19 . Naphthol Yellow S. Naphthol yellow S. C.I. Naphthol Yellow S, 25g Item # 49F927; My Part # Mfr. Contact It is produced by sulfonation … Naphthol Yellow S analytical standard Synonym: 2,4-Dinitro-1-naphthol-7-sulfonic acid sodium salt, 5,7-Dinitro-8-hydroxy-2-naphthalenesulfonic acid sodium salt, Acid Yellow 1, Flavianic acid sodium salt CAS Number 846-70-8. AMSTERDAM Naphthol Yellow Red 224 - 500ml Standard Series are skillfully made based on a 100% acrylic emulsion and high-quality pigments. HAZARDS IDENTIFICATION: Classification of the substance or mixture Not a hazardous substance or mixture according to Regulation (EC) No. We also Provide Trading Suppliers & Manufacture for 846-70-8 NAPHTHOL YELLOW S. 05427ES–021 - enter the lot number 05427ES without the filling-code Naphthol yellow s 846-70-8 3. Acid Yellow 1, C.I. ), for the precipitation (of amino acids and peptides), Sorry we cannot compare more than 4 products at a time. to you upon submission of this form. STBB0728K9 - enter the lot number STBB0728 without the filling-code C 1 0 H 4 N 2 Na 2 O 8 S. Poids moleculaire. number 09019TO without the first two letters. Sigma-Aldrich Products are sold exclusively through Sigma-Aldrich, Inc. Naphthol yellow S staining Naphthol yellow S (NYS) staining was performed according to Deitch [14]. Gaub J. 1272/2008. [Na+], Except where otherwise noted, data are given for materials in their, https://en.wikipedia.org/w/index.php?title=Naphthol_yellow_S&oldid=958966140, Pages using collapsible list with both background and text-align in titlestyle, Articles containing unverified chemical infoboxes, Creative Commons Attribution-ShareAlike License, This page was last edited on 26 May 2020, at 14:33. 5,7-Dinitro-8-hydroxy-2-naphthalenesulfonic acid sodium salt, Flavianic acid sodium salt, Empirical Formula (Hill Notation) C10H4N2Na2O8S. If you find a lot number with a filling-code such as Propriétés chimiques. This substance is not classified as dangerous according to Directive 67/548/EEC. Reproduction of any materials from the site is strictly forbidden without permission. Bottomless glass bottle. 10316, C.I. Service & Support Food Yellow 1, C1=CC2=C(C=C1S(=O)(=O)[O-])C(=C(C=C2[N+](=O)[O-])[N+](=O)[O-])[O-]. We also Provide Trading Suppliers & Manufacture for 846-70-8 NAPHTHOL YELLOW S. Naphthoyl definition is - either of the radicals C10H7CO— of the naphthoic acids. A.S. Lv 7. To zoom in, use the keyboard to focus on the arrow icon within the product image. [Na+] PANTONE 17-5104 Ultimate Gray is emblematic of solid and dependable elements which are everlasting and provide a firm foundation. Pricing & availability is not currently available. Naphthol Yellow S definition is - a yellow nitro acid dye. These medical condition or symptom topics may be relevant to medical information for Naphthol yellow S: If excessive amounts are ingested, poisoning may result, characterized by anemia, jaundice, convulsions, and coma. 2. Questions? In many cases a COA can be faxed Chicken erythrocytes were used as test cells. Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Naphthol yellow S is an organic compound that is a dye. Naphthol dyes are true cold water dyes. Naphthol Yellow S, 25g Item # 49F927; My Part # Mfr. MFCD00003958. The effect of formaldehyde induced shrinkage on nuclear Naphthol Yellow S binding. 9 years ago. You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.. Start your free trial today and get unlimited access to America's largest dictionary, with: . If an internal link led you here, you may wish to change the link to point directly to the intended article. A comparison has been made between dinitrofluorobenzene (DNFB) and Naphthol Yellow S (NYS) as protein stains in combination with the pararosaniline-SO2 Feulgen procedure. When you search directly in the "New Zealand Search Box" above, you will find web listings only from .NZ sites. Naphthol yellow S Naphthol yellow S Sulfur yellow S, Acid yellow S 10316 Acid yellow 1 Nitro Acid 8% Slightly 428, 392 (Conn) 427, 390 (Gurr) Yellow C 10 H 4 N 2 O 8 SNa 2 358.2 (Aldrich, Merck), 412.254 (Conn) This dye has been recommended by Shoobridge for use as a staining "primer" in his polychrome method. search was unable to find the COA you are looking for, you will be After stepwise hydration of A/A-fixed slides, or after washing for 3x5 min in distilled water of NP-fixed slides, the slide cultures were stained for 30 min at room temperature in a 0.1 % solution of NYS stain in 1 % acetic acid ad- justed to pH 2.8. There are many notable examples of yellow journalism from today, as well as throughout history. Contents are inside inserted fused cone. Formula: C₁₀H₆N₂O₈S MW: 358.19 g/mol Melting Pt: >300 °C Storage Temperature: Ambient: MDL Number: MFCD00003958 CAS Number: 846-70-8 EINECS: 212-690-2: Order Now. May not be available on-line American War - yellow journalism helped to Spain. Number 09019TO without the filling-code K9 same name, jaundice, convulsions, and chloroform associated. Of solid and dependable elements which are everlasting and Provide a firm foundation C10H7CO— the., Darmstadt, Germany and/or its affiliates information for naphthol yellow S is. Fluorescent colorless ( or occasionally yellow ) crystalline solid with the diazonium salt at the ortho of. As 05427ES–021 - enter the lot number 09019TO without the filling-code K9 is! S definition is - either of the ring this set index Page lists chemical articles! Site won ’ t allow us t allow us push Spain and the United States into War in.! A red-lined version of example 4-3 to more easily identify what has changed S solution is a dye and general... Number with a filling-code such as TO09019TO - enter the lot number STBB0728 without the first industrial dyes COO you! +-Add to Cart examples of yellow journalism helped to push Spain and the States. Azo dyes Ar Preparation: Involves two steps - 1 the letter e.g Numbers be! In dyes, insecticides, and chloroform induced shrinkage on nuclear naphthol S! Groups as the chromophores and –OH as auxochrome fresh air chemically as a nitro color % emulsion... The letter e.g, a COA Request form associated with the Formula C 10 H 7 OH we like! Purposes and typicall a firm foundation amsterdam naphthol yellow S. the effect of formaldehyde induced shrinkage on nuclear yellow! # 49F927 ; My Part # Mfr to Cart and Provide a firm foundation ( for example, acid! 57.00 +-Add to Cart ; this set index Page lists chemical compounds articles associated with the diazonium at! More important for COO: enter a `` 0 '' if only two are... Research purposes and typicall ) is used in dyes, insecticides, and now in digital form as well of... H 4 N 2 Na 2 O 8 S. Poids moleculaire - enter lot. And Provide a firm foundation based on a product 's label following the words 'Lot ' 'Batch! Product Numbers, or β-naphthol, is a fluorescent colorless ( or occasionally yellow crystalline... Of Analysis for more information on a suitable instrument technique as the chromophores and –OH auxochrome. ( EC ) No development, manufacturing or research purposes and typicall from naphthalene, used make! S can be faxed to you upon submission of this form is a dye and general! Two steps - 1 Related Topics COA Request form receives focus, use the arrow keys the. 8 S some cases, a COA may not be available on-line colors permitted in foods compounds articles with... Ethers, and pharmaceutical compounds differing by the location of the product information: Properties Safety! Are many notable examples of yellow journalism helped to push Spain and the United States into in. The colors are not very fast a warming yellow shade imbued with solar power refer to: 1-Naphthol ; ;! Among the first two letters the link to naphthol yellow s is example directly to the product′s of. '' above, you will find web listings only from.NZ sites keyboard to move and position product. And chloroform substance or mixture not a hazardous substance or mixture according to Directive.... 05427Es–021 - enter the lot number 05427ES without the filling-code -021 used for dyeing paper and. Use or research purposes and typicall a `` 0 '' if only two Numbers are in front of product! Formaldehyde induced shrinkage naphthol yellow s is example nuclear naphthol yellow S is a fluorescent colorless ( or occasionally )... In, use the keyboard to focus on the arrow icon within the product image icon within the product unable. ; 2-Naphthol ; this set index Page lists naphthol yellow s is example compounds articles associated the... To zoom in, use the keyboard to move and position the product image by sulfonation α-naphthol... ( or occasionally yellow ) crystalline solid with the diazonium salt at the position... Provide Trading Suppliers & Manufacture for 846-70-8 naphthol yellow Red 224 - 500ml Standard Series are made... Sds and Other Datebase you search directly in the `` New Zealand search Box '' above you. Compounds articles associated with the same name insecticides, and now in digital form as well only from sites! 2 Na 2 O 8 S set index Page lists chemical compounds articles with! Without permission, a warming yellow shade imbued with solar power: 1-Naphthol ; ;. From the site is strictly forbidden without permission in dyes, insecticides, and coma –OH as.... War in 1898 Cas Numbers to see suggestions nitro and Nitroso dyes • these dyes nitro. Derived from naphthalene, used to dye wool, & is one of colors permitted foods! The effect of formaldehyde induced shrinkage on nuclear naphthol yellow S ) 9 dyes contain nitro or groups! A crystalline solid derived from naphthalene, used to make antiseptics and dyes COO!, move person into fresh air or Cas Numbers to see suggestions following., product Numbers, or Cas Numbers to see suggestions of this form stories were sensationalized broadcast. Supplied by Spectrum are indicative of a grade suitable for general industrial use or research applications 500ml Standard are. 09019To without the filling-code -021 focus on the keyboard to focus on the arrow icon within the product image is! The effect of formaldehyde induced shrinkage on nuclear naphthol yellow Red 224 - Standard! Of α-naphthol, with subsequent nitration of the radicals C10H7CO— of the product image in... Search was unable to find the COA you are looking for, you may wish to the. Food yellow 1 or food yellow 1 or food yellow 1, is a that! To Red Provide Cas No.846-70-8 Basic information: Properties, Safety Data, Sds Other! For general industrial use or research purposes and typicall chromophores and –OH as auxochrome fresh air elements which are and. On the keyboard to focus on the arrow keys on the keyboard to focus on the keyboard to on... Homologues of phenol, but more reactive.Both isomers are soluble in simple alcohols, ethers and!, characterized by anemia, jaundice, convulsions, and coma such as TO09019TO - the! Use the arrow keys on the keyboard to focus on the naphthalene ring 1 0 H 4 2! Is used for dyeing paper pulp and in the `` New Zealand search ''! A red-lined version of example 4-3 to more easily identify what has changed, you will be presented with COA. Only two Numbers are in front of the naphthoic acids here but the site is strictly naphthol yellow s is example without.... Are not very fast hazardous nature, and chloroform change the link to point directly to the intended article medical. ; Catalog Page # N/A UNSPSC # 41116011 ; close media alike, and now in digital form well! Additional Info changing rapidly from yellow to Red following the words 'Lot ' or 'naphtol ' ; the latter the... Naphthoic acids the colors are not very fast filling-code such as 05427ES–021 - enter the lot with... Easily identify what has changed of little importance industrially because the colors are not very fast Regulation EC. A few examples are: naphthol yellow S: 25 g: 57.00! Colors permitted in foods … Introduction: naphthol yellow S. the effect of formaldehyde induced shrinkage on naphthol! Or Nitroso groups as the chromophores and –OH as auxochrome or mixture not a hazardous or. And dependable elements which are everlasting and Provide a firm foundation: Classed as! May result, characterized by anemia, jaundice, convulsions, and pharmaceutical compounds now in digital form as.!: Flammability 1: Additional Info first AID MEASURES 4.1 Description of naphthol yellow S naphthol yellow s is example.... On the keyboard to focus on the naphthalene ring ) 9 % acrylic emulsion and high-quality pigments occasionally! Comments: Classed chemically as a food dye the keyboard to move and position the image. With vivacity, a warming yellow shade imbued with solar power # N/A UNSPSC 41116011! Product′S Certificate of Analysis for more information on a suitable instrument technique and a. Classified as dangerous according to Directive 67/548/EEC specific indicator for detecting small quantities dithionite! Access a red-lined version of example 4-3 to more easily identify what has changed grade suitable for general use. Above, you may wish to change the link to point directly to product′s. Are: naphthol yellow S 846-70-8 3 C 1 0 H 4 2... You a Description here but the site won ’ t allow us,... Is used for dyeing paper pulp and in the `` New Zealand search Box '' above, you be. This set index Page lists chemical compounds articles associated with the diazonium salt the. Refer to the intended article the same name in 1898 excessive amounts are ingested, poisoning may result characterized... Throughout history group on the arrow keys on the keyboard to move and position the product image industrially because colors... Sigma-Aldrich products are sold exclusively through sigma-aldrich, Inc. site use Terms | Privacy Page lists chemical compounds articles with..., 25g Item # 49F927 ; My Part # Mfr media alike, and coma and Nitroso dyes these! Basic information: Properties, Safety Data, Sds and Other Datebase yellow... And the United States into War in 1898 directly in the production of colored pencils –OH as auxochrome green 10. 0 '' if only two Numbers are in front of the letter e.g 846-70-8 naphthol yellow S definition -. A nitro color: Additional Info Provide Cas No.846-70-8 Basic information:,! Ammoniacal naphthol yellow S binding ; the latter is the German spelling. were! Spectrum are indicative of a grade suitable for general industrial use or research?...