Benzoic acid, 5-[(3-carboxy-5-methyl-4-oxo-2,5-cyclohexadien-1-ylidene)(2-hydroxy-3,6-disulfo-1-naphthalenyl)methyl]-2-hydroxy-3-methyl-, disodium salt

Benzoic acid, 5-[(3-carboxy-5-methyl-4-oxo-2,5-cyclohexadien-1-ylidene)(2-hydroxy-3,6-disulfo-1-naphthalenyl)methyl]-2-hydroxy-3-methyl-, disodium salt 화학적 특성, 용도, 생산

• 제조 방법

  Formaldehyde?and 2-Hydroxy-3-methylbenzoic acid condensation, its product in Nitrosylsulfuric acid Disodium with 3-Hydroxynaphthalene-2,7-disulfonic acid common oxidation.

• Properties and Applications

  brilliant navy blue. Soluble in water into wine red, soluble in ethanol for red wine. In concentrated sulfuric acid to dark purple, dilution for red wine. Dye aqueous solution to join sodium hydroxide as purple.
  

  Standard	Ironing Fastness	Light Fastness	Fulling		Persperation Fastness	Soaping	Water
  			Alkali	Acid
  ISO	4	5-6	4	4	5	4	5

Benzoic acid, 5-[(3-carboxy-5-methyl-4-oxo-2,5-cyclohexadien-1-ylidene)(2-hydroxy-3,6-disulfo-1-naphthalenyl)methyl]-2-hydroxy-3-methyl-, disodium salt 준비 용품 및 원자재