医药化工产品

Other Name: BISMARK BROWN 'Y' LIQUID; Basic Yellow Brown 4BR
Molecular Formula:C₁₈H₁₈N₈
Molecular Weight: 346.39
Manufacturing Methods : based in 2 Moore’s handling of the 3 molesBenzene-1,3-diamine hydrochloride (this product in the above may double the azo dyes as the main component of the mixture, and goods is usually two hydrochloric acid dyes by hydrates composition).
Properties and Applications: brown. Brown powder. Soluble in water for yellow brown, slightly soluble in ethanol and soluble fiber element, insoluble in acetone, benzene, carbon tetrachloride, ceramic, and solvent. The strong sulfuric acid for brown, diluted into a red light brown; In nitric acid solution for orange, to yellow. The dye solution to join hydrochloric acid discoloration; Add 10% sodium hydroxide solution have orange precipitation. Used for wool, silk, leather, paper, bamboo, wood color, also used in the manufacture of color and solvent dye deposit.

Standard( Cotton )	Light Fastness	Persperation Fastness		Ironing Fastness		Soaping
Standard( Cotton )	Light Fastness	Fading	Stain	Fading	Stain	Fading	Stain
C	1-2					1	1
A	2	4		4		4

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