2-[[6-[[(2-Carboxyphenyl)amino]sulfonyl]-2-hydroxy-1-naphthalenyl]azo]benzoic acid disodium salt

CAS NO.：5850-46-4
Molecular Weight: 0

What is 2-[[6-[[(2-Carboxyphenyl)amino]sulfonyl]-2-hydroxy-1-naphthalenyl]azo]benzoic acid disodium salt?

Preparation

2-Aminobenzoic acid diazotization and 2-(2-Hydroxynaphthalene-6-sulfonamido)benzoic acid coupling.

Properties and Applications

dark yellow red. Soluble in water and ethanol as golden orange. In concentrated sulfuric acid to orange, orange for gold after diluted. Dye aqueous solution to join concentrated hydrochloric acid for orange; Join concentrated sodium hydroxide solution for orange.

Standard	Ironing Fastness	Light Fastness	Fulling		Persperation Fastness	Soaping	Water
			Alkali	Acid
ISO	4-5	7	4-5	3	3-4	5	5

Safety information for 2-[[6-[[(2-Carboxyphenyl)amino]sulfonyl]-2-hydroxy-1-naphthalenyl]azo]benzoic acid disodium 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 4-((2-isopropoxyethoxy)methyl)phenol 4-Hydroxy Carbazole Amino Salicylic Acid. U.S.P. 2 – Methoxy – 5- Sulfamoyl Benzoic acid 1,2,3,4-Tetrahydrocarbazol-4-one 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 Methyl Di Chloride (Mdc) 5-Nitrosalicylaldehyde 5-(Difluoromethoxy)-2-Mercapto-1H-Benzimidazole- IP/BP/

Related products of tetrahydrofuran

Mordant Red 7

Benzoic acid, 2-[(2-hydroxy-6-sulfo-1-naphthalenyl)azo]-, disodium salt

Mordant Red 67

Mordant Red 73

disodium 5-[[4'-[(2-amino-8-hydroxy-6-sulphonato-1-naphthyl)azo][1,1'-biphenyl]-4-yl]azo]salicylate

Mordant Red 71

Mordant Red 65

1,3-Benzenediol, 4-[(2-hydroxy-5-nitrophenyl)azo]-