Leuco Sulphur Green 7

Leuco Sulphur Green 7 化学特性,用途語,生産方法

• 製造方法

  5-(4-Hydroxyanilino)-8-(4-methylanilino)-lnaphthalenesulfonic acid?in the presence of Copper sulfate monohydrate with Sodium polysulfide ethanol solution heating, reflux 50 hours, then add the Sodium nitrite, again boiling 6 hours, steamed out ethanol, in 50 ~ 60 ℃ blowing air make precipitation. This indophenol?is by 8-(P-toluidino)naphthalene-1-sulfonic acid??and where did 4-Aminophenol with Sodium hypochlorite oxidation of mixture, then use Sodium hydrosulfide reduction and have to (BIOS 1155, – 12)

• Properties and Applications

  green.
  

  Standard	Acid Resistance	Alkali Resistance	Light Fastness	Fulling	Persperation Fastness	Soaping
  						Moderate	Severe
  ISO	3	4-5	4			4	2-3

Leuco Sulphur Green 7 上流と下流の製品情報

12262-34-9, Leuco Sulphur Green 7 キーワード