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HomeProduct name list2-Hydroxy-5-[(6,8-disulfo-2-naphtyl)azo]benzoic acid trisodium salt

2-Hydroxy-5-[(6,8-disulfo-2-naphtyl)azo]benzoic acid trisodium salt

2-Hydroxy-5-[(6,8-disulfo-2-naphtyl)azo]benzoic acid trisodium salt Structural

What is 2-Hydroxy-5-[(6,8-disulfo-2-naphtyl)azo]benzoic acid trisodium salt?

Preparation

7-Aminonaphthalene-1,3-disulfonic acid diazotization, and 2-Hydroxybenzoic acid coupling.

Properties and Applications

dark red light yellow. Soluble in water for green light yellow, insoluble in other organic solvent. In concentrated sulfuric acid for brown light orange, dilution after green yellow. Dye aqueous solution and concentrated hydrochloric acid for yellow; Sodium hydroxide solution with strong to orange.

Standard Ironing Fastness Light Fastness Fulling Persperation Fastness Soaping Water
Alkali Acid
ISO 4 5 4 5 5 5
AATCC 4 6 4-5 5 5 5

Properties of 2-Hydroxy-5-[(6,8-disulfo-2-naphtyl)azo]benzoic acid trisodium salt

EPA Substance Registry System Benzoic acid, 5-[(6,8-disulfo-2-naphthalenyl)azo]-2-hydroxy-, trisodium salt (6471-07-4)

Safety information for 2-Hydroxy-5-[(6,8-disulfo-2-naphtyl)azo]benzoic acid trisodium salt

Computed Descriptors for 2-Hydroxy-5-[(6,8-disulfo-2-naphtyl)azo]benzoic acid trisodium salt

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