Benzoic acid, 3-[[4-[(1,8-dihydroxy-4-sulfo-2-naphthalenyl)azo]-1-naphthalenyl]azo]-2(or 6)-hydroxy-, disodium salt

Benzoic acid, 3-[[4-[(1,8-dihydroxy-4-sulfo-2-naphthalenyl)azo]-1-naphthalenyl]azo]-2(or 6)-hydroxy-, disodium salt 화학적 특성, 용도, 생산

• 제조 방법

  3-Amino-2-hydroxybenzoic acid?diazo, and Naphthalen-1-amine coupling, its product to diazo, and 4,5Dihydroxynaphthalene-1-sulfonic acid coupling.

• Properties and Applications

  dark blue light green. Soluble in water for dark, and adequate soluble in ethanol to blue. The strong sulfuric acid in turquoise, diluted into purple. In water solution to join strong hydrochloric acid for violet black; Add thick sodium hydroxide solution for dark.
  

  Standard	Light Fastness	Soaping		Persperation Fastness	Oxygen bleaching		Fastness to seawater
  		Fading	Stain		Fading	Stain	Fading	Stain
  ISO	2	5	5	4-5			5

Benzoic acid, 3-[[4-[(1,8-dihydroxy-4-sulfo-2-naphthalenyl)azo]-1-naphthalenyl]azo]-2(or 6)-hydroxy-, disodium salt 준비 용품 및 원자재