7-Hydroxy-8-[[2-methoxy-4-[(4-sodiosulfophenyl)azo]phenyl]azo]naphthalene-1-sulfonic acid sodium salt
- CAS NO.:6226-77-3
- Molecular Weight: 0
What is 7-Hydroxy-8-[[2-methoxy-4-[(4-sodiosulfophenyl)azo]phenyl]azo]naphthalene-1-sulfonic acid sodium salt?
Preparation
2-Aminobenzenesulfonic acid diazo, and O-Anisidine coupling, then the water with sulfonic acid base, again diazotization and with 7-Hydroxynaphthalene-1-sulfonic acid coupling.
Properties and Applications
blue-ray red. Soluble in water for product red, soluble in ethanol for red orange. The strong sulfuric acid for green light blue, diluted into pink. Adding strong hydrochloric acid in aqueous solution for the red light purple; Add thick sodium hydroxide solution for purple.
Safety information for 7-Hydroxy-8-[[2-methoxy-4-[(4-sodiosulfophenyl)azo]phenyl]azo]naphthalene-1-sulfonic acid sodium salt
New Products
Bromine 99.5% AR (4 x 500ml) Fehling's Solution No. B Amino Acid Kit of 23 items set Ammonium Molybdate Reagent Solution Beam's Reagent Solution Ehrlich's Reagent For detection of urobillinogen Sodium Amino Salicylate Dihydrate (PAS Sodium) IP/BP/USP/EP 1,2,3,4-Tetrahydrocarbazol-4-one 4-Hydroxy Carbazole Amino Salicylic Acid. U.S.P. 2 – Methoxy – 5- Sulfamoyl Benzoic acid Acetone Isobutryl oxime ester Curcuma aromatica Oil Curry leaf Extract Terminalia bellirica Extract Aloe vera extract 200x Withania somnifera (Ashwagandha Extract) Citrus bioflavonoids Extract Ethyl 3-(Pyridin-2-Ylamino)Propanoate Bilastine -IP/BP/ Cypermethric Acid Chloride 5-Nitrosalicylaldehyde 5-(Difluoromethoxy)-2-Mercapto-1H-Benzimidazole- IP/BP/ Methyl Di Chloride (Mdc)Related products of tetrahydrofuran
ACID RED 54
C.I. Acid Red 53
sodium 3-[[4-(benzoylethylamino)-2-methylphenyl]azo]-4-hydroxynaphthalene-1-sulphonate
ACID RED 60
SULFORHODAMINE B
Acid Red 51
2,7-Naphthalenedisulfonic acid, 4,4'-[(phenylmethylene)bis[(2,5-dimethyl-4,1-phenylene)azo]]bis[3-hydroxy-, tetrasodium salt
FOOD RED NO 3 ALUMINUM LAKE
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