Benzenesulfonic acid, 2-[[2-(methylamino)-1-naphthalenyl]azo]-5-nitro-, monosodium salt

Benzenesulfonic acid, 2-[[2-(methylamino)-1-naphthalenyl]azo]-5-nitro-, monosodium salt 화학적 특성, 용도, 생산

• 제조 방법

  2,5-Diaminobenzenesulfonic acid diazo, and N-methylnaphthalen-2-amine?coupling.

• Properties and Applications

  dark purple. Soluble in water for purple, also soluble in ethanol, acetone, insoluble in benzene. The strong sulfuric acid is palm in light orange; After dilute for dark pink. In the dye solution to join strong hydrochloric acid with brown precipitation; Add thick sodium hydroxide solution has the purple precipitation
  

  Standard	Light Fastness	Soaping		Persperation Fastness	Oxygen bleaching		Fastness to seawater
  		Fading	Stain		Fading	Stain	Fading	Stain
  ISO	3	2-3		2-3			2-3

Benzenesulfonic acid, 2-[[2-(methylamino)-1-naphthalenyl]azo]-5-nitro-, monosodium salt 준비 용품 및 원자재