disodium 6-amino-5-[(4-amino-2-sulphonatophenyl)azo]-4-hydroxynaphthalene-2-sulphonate

disodium 6-amino-5-[(4-amino-2-sulphonatophenyl)azo]-4-hydroxynaphthalene-2-sulphonate 화학적 특성, 용도, 생산

• 제조 방법

  2-Amino-5-nitro-N-ethylbenzenesulfonanilide diazo, and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid?in acid conditions coupled, then?the product was then reducing the nitro group to an amino group with sodium.

• Properties and Applications

  dark red light purple. Soluble in water and ethanol for product red. The strong sulfuric acid for yellow brown, after dilute for pink. Its water solution to join strong hydrochloric acid for red; Add thick sodium hydroxide solution for ruby red colour.
  

  Standard	Light Fastness	Soaping		Persperation Fastness	Oxygen bleaching		Fastness to seawater
  		Fading	Stain		Fading	Stain	Fading	Stain
  ISO	5	3	1	4	2	1	4	2
  AATCC	5	3	3	3	1	1	3	3

disodium 6-amino-5-[(4-amino-2-sulphonatophenyl)azo]-4-hydroxynaphthalene-2-sulphonate 준비 용품 및 원자재