4,6-Dibenzothiophenedisulfonic acid, 3,7-bis[[2-(phenylamino)-1-naphthalenyl]azo]-, 5,5-dioxide, disodium salt

4,6-Dibenzothiophenedisulfonic acid, 3,7-bis[[2-(phenylamino)-1-naphthalenyl]azo]-, 5,5-dioxide, disodium salt 화학적 특성, 용도, 생산

• 제조 방법

  3,7-diaminobiphenyl sulfone-4,6-disulfonic acid double nitriding, and N-phenyl-2-naphthylamine (2 Moore) coupled.

• Properties and Applications

  red light navy blue. Soluble in water for blue, soluble in ethanol for violet blue. The strong sulfuric acid to purplish red color, diluted into yellowish gray. In aqueous solution is to add strong hydrochloric acid have dark precipitation, add sodium hydroxide to blue.
  

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

4,6-Dibenzothiophenedisulfonic acid, 3,7-bis[[2-(phenylamino)-1-naphthalenyl]azo]-, 5,5-dioxide, disodium salt 준비 용품 및 원자재