Richard Proctor and Jennifer Lew's chart, below, shows how diazo salts can be mixed with naphthol bases to make different colors, from their book, Surface Design for Fabric. Naphthol Yellow S Solution. Molecular Formula: C10H4N2Na2O8S, MW: 358.19 Overview . Naphthol yellow S is an organic sodium salt that is the disodium salt of 5,7-dinitro-8-hydroxynaphthalene-2-sulfonic acid. [The more soluble nitro dye Naphthol Yellow S (0.01%) may be used instead of Martius Yellow.] Min.Order: 1 Kilogram FOB Price: USD $ 0.0-0.0/Kilogram he company has advanced technology, as well as a large number of excellent R & D team, to provide customers from the grams to one hundred kilograms and tons of high-quality … It also used in the synthetic rubber industry. Naphthol Yellow S. Synonyms: 2,4-Dinitro-1-naphthol-7-sulfonic Acid Disodium Salt Disodium 2,4-Dinitro-1-naphthol-7-sulfonate Disodium 8-Hydroxy-5,7-dinitro-2-naphthalenesulfonate 8-Hydroxy-5,7-dinitro-2-naphthalenesulfonic Acid Disodium Salt Flavianic Acid Disodium Salt. Molecular Formula:C 10 H 4 N 2 Na 2 O 8 S Molecular Weight: 358.19 CAS Registry Number:846-70-8 Manufacturing Methods : 4-Hydroxynaphthalene-1,3,6-trisulfonic acid or 1-Naphthol-4,7-disulfonic acid or 1-Naphthol-2,7-disulfonic acid or more of the latter with the nitro compounds and nitric acid reaction. Gupta b c Shalini Sikarwar a 1 : 308.2882 Melting Point : 246-247°C Appearance : Bright Yellow colour Powder Purity : 98.00% Solubility : Soluble In Alkaline Water Moisture % : 0.15 % Naphthol Yellow S : 25 g : $57.00 +-Add to Cart. Address: 2145 Delaware … 7 Flavianic acid sodium salt Japan Yellow 403-1 Naphthol Yellow S Japan Yellow 403 CI 10316 COLIPA n° B001 3.1.1.4. Naphthol yellow S is an organic compound that is a dye. Naphthol definition, either of two isomeric hydroxyl derivatives, C10H7OH, of naphthalene (alpha-naphthol, or 1-naphthol, and beta-naphthol, or 2-naphthol ), white or yellowish crystals, with a phenolic odor, that darken on exposure to light: used chiefly in dyes, drugs, perfumes, and insecticides. It is a derivative of 1-naphthol. These medical condition or symptom topics may be relevant to medical information for Naphthol yellow S: Naphthol; Yellow; Yellow disease; Acid; Dye; Stain; Basic; Proteins; Microspectrophotometry. Molecular Formula C10H4N2Na2O8S Molecular Weight 358.19 g/mol Naphthol dyes offered by us are insoluble Azo dyestuffs that are produced on fiber through application of Naphthol to fiber and then combining it with diazotized base at low temperatures. Naphthol yellow S: Related Topics. Wt. Napthol - Fast Base Dyeing are very widely used in Textile Industry. Dye for wool, silk. Buy Naphthol Yellow S (CAS 846-70-8), a dye for amino acid and peptide precipitation's, from Santa Cruz. ... (B20872) Naphthol Yellow S : 846-70-8: 250g: 779.0CNY: Detail: Alfa Aesar (B20872) Naphthol Yellow S : 846-70-8: 50g: 290.0CNY: Detail: 846-70-8 SDS. Study of the reversibility of the protein-dye binding reaction]. Glauber's salt, 15 lb. Love words? The stock solution (0.01 mol dm −3) and all other solutions of Naphthol Yellow S were prepared in double-distilled water, and the same was used for the necessary dilution. Your name. Naphthol Yellow S is a dye that is known for its hazardous nature. D & C Yellow no. Naphthol Yellow S sc-215544 Hazard Alert Code Key: EXTREME HIGH MODERATE LOW Section 1 - CHEMICAL PRODUCT AND COMPANY IDENTIFICATION PRODUCT NAME Naphthol Yellow S STATEMENT OF HAZARDOUS NATURE CONSIDERED A HAZARDOUS SUBSTANCE ACCORDING TO OSHA 29 CFR 1910.1200. Properties and Applications: colourful green light yellow. Richard Proctor and Jennifer Lew's book At one time it was a popular food colorant but it was delisted in 1959 in the U.S. Naphthol yellow S; Names IUPAC name. The dye under consideration is Naphthol Yellow S (A) (C 10 H 4 N 2 Na 2 O 8 S; Mol. This cooperative approach ensures our suppliers meet or exceed our quality standards. Revision Date: Aug 12, 2017. 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. Also known as 'true cold water dyes', this is used for dyeing cellulosic fibers and silk fibers. They are of little importance industrially because the colors are not very fast. Pricing & More Info. . If excessive amounts are ingested, poisoning may result, characterized by anemia, jaundice, convulsions, and coma. B20872-0B B20872-30 B20872-30 B20872-18 B20872-18 B20872-0B. Royce has almost 90 years experience developing supply relationships, and in some cases has transferred technology to our suppliers. It is a derivative of 1-naphthol . Our technology is able to fully remove color contaminants of such dyes as: Tartrazine, Erythrosine, Allura Red (red 40), Orange II, Bengal Rose, Fast Green, Brilliant Blue, Brilliant Green, Methyl Violet, Naphthol Yellow S, Erioglaucine, Rhodamine, Congo Red and other dyes. Picric acid, no longer used as a dye but as an explosive, also belongs to this class. The ADM has been used to adsorb Erythrosine dye efficiently [115]. 2. Ungraded products supplied by Spectrum are indicative of a grade suitable for general industrial use or research purposes and typically are not suitable for human consumption or therapeutic use. Azo Dyes Ar Preparation : Involves two steps - 1. At one time it was a popular food colorant but it was delisted in 1959 in the U.S. [2] Azo Dyes Ar Preparation : Involves two steps - 1. Last updated: March 30, 2016 It has a role as a histological dye. If you need an answer, you can count on someone answering the phone and responding to you quickly. Chemical CAS Number: 846-70-8 : Chemical Formula: C 10 H 4 N 2 O 8 SNa 2: Chemical Formula Weight: F.W. Diazotation 2. AAB20872-0B CAAAB20872-30 … Napthol - Fast Base Dyeing are very widely used in Textile Industry. Naphthol Yellow S Solution Safety Data Sheet Rev. (Picric acid) (Naphthol yellow S) 9. A naphthol yellow S and erythrosin B staining procedure for use in studies of the acrosome reaction of rabbit spermatozoa. Patent Blue N, working at the boil. naphthol yellow S: ( naf'thol yel'ō ), [C.I. Nitro and Nitroso Dyes • These dyes contain nitro or nitroso groups as the chromophores and –OH as auxochrome. Royce’s customer service department is always rated as exceptional. Naphthol Green B, 10 lb. [Staining with naphthol yellow S. 2. If an internal link led you here, you may wish to change the link to point directly to the intended article. William Henry Perkin depicted in his … The general protein stain Naphthol Yellow S has been studied with a model system of polyacrylamide films containing proteins to test the stoichiometry of the salt formation and the influence of some histochemical conditions. Azo Yellow, and 1 lb. Basic dye 11050 Lissamine fast yellow: Yellow 2G Acid yellow 17 18965 Malachite green: Martius yellow: Acid yellow 24 10315 Meldola blue: Phenylene blue Basic blue 6 51175 ... Naphthol yellow S: Acid yellow 1 10316 Orange G: Acid orange 10 16230 Purpurin: Verantin Rose bengal: Acid red 94 45440 Sudan II: Solvent orange 7 12140 GT6579 Naphthol Yellow S Synonyms: 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. Finally, this diazonium salt reacts with 2-naphthol in the presence of sodium hydroxide give 2-naphthol aniline which is an aniline dye. 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. 13016. Sage Green.--The dye-bath is made with 10 lb. The ADM has been used to adsorb Erythrosine dye efficiently [115]. The technology is scalable and can be also used to treat other organic impurities. Empirical formula Formula: C 10H 6N 2O 8S.2Na 3.1.2. Download Struktur Kimia Naphthol Yellow-S Comments. And coma and typicall for 846-70-8 Naphthol Yellow S ) 9 salt Japan Yellow 403 CI 10316 COLIPA B001! And exporters of high quality Naphthol dyes and fibre Naphthol dyes, and pharmaceutical compounds of Chemicals GHS. `` Struktur Kimia Naphthol Yellow-S '' Please fill this form, we will try to respond soon...: English edition 1973 use in studies of the protein-dye binding reaction ] naphthol yellow s which dye form... In foods ] a phenol occurring in coal tar in two forms: α- or and... Dye of nitro group was obtained from M/s Merck breathing in smoke from wood fires and tire fires Cart... Dyes: -We are counted among the leading manufacturers and exporters of high quality Naphthol dyes be..., poisoning may result, characterized by anemia, jaundice, convulsions, pharmaceutical... As acid Yellow 1 are not very Fast 403-1 Naphthol Yellow S Synonyms: 2,4-dinitro-1-naphthol-7-sulfonic acid sodium ;... 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