Leather Dyestuffs, Paper Dyestuffs, Textile Dyestuffs Specifications

1.HIGH QUALITY & GOOD PRICE 2.GREEN FLASH CRYSTAL 3.CAS NO.:569-64-2 , C.I. 42000 4.STRENGTH:100%

MALACHITE GREEN   ( BASIC GREEN 4 )

CAS NO.:569-64-2   C.I.  42000

APPREARANCE:GREEN FLASH CRYSTAL

STRENGTH:100%

LOW INSOLUBLES , CHUNK CRYSTAL

MALACHITE GREEN CRYSTALS (BASIC GREEN 4) 70%-100%  COULD BE SUPPLIED

BY THE REQUIEMENT OF CUSTOMERS

Product Details: CAS No.Other NamesMFPlace of OriginTypeUsageBrand NameModel NumberCI NO.APPREARANCESTRENGTH

569-64-27

MALACHITE GREEN CRYSTALS

C23H25CLN2

Hebei, China (Mainland)

Basic Dye

Leather Dyestuffs, Paper Dyestuffs, Textile Dyestuffs, Timber Dyestuff...

HUACHENG

FINECHEM

42000

GREEN FLASH CRYSTAL

100%

Chemical properties

Green belt flash crystallization. Soluble in water, easily soluble in ethanol, are blue-green. The dye in strong sulfuric acid are yellow, diluted turned dark orange; In nitric acid in orange, dilute in orange after brown; Its solution to join with the green light produce sodium hydroxide white precipitation. In high temperature (120 °C) dyeing, colored light unchanged. In acrylic dyeing resistance on a four-tier 5 coptidis thizoma.

use

Alkaline PinLu used to dye the silk, wool, acrylic, ErCuSuan fiber and cotton fiber, dye acrylic and ErCuSuan fiber have better resistance to bask in fastness, and all the other coptidis thizoma (soap to wash, sweat be soiled, etc) is better also, dyeing wool, silk, cotton is a bit poor coptidis thizoma. Can also be dyed leather, paper, hemp, bamboo and other, and manufacturing deposit color. And alkaline magenta spell dye wool terylen, black color, and coptidis thizoma had increased. Used for testing the acrylic fiber or foreign saturated value and cationic dye saturated factor of standard of dyes.

Production met

hodsWith N, N 4-dimethylaniline as the main raw material, will first N, N 4-dimethylaniline and benzaldehyde sulfuric acid in the presence of condensation on, then by PbO2 oxidation, Na2SO4 after take off the lead, with Na2CO3 and have to dye alcohol SeJi, finally add oxalic acid crystal, the filter, dry to finished products..

Pay attention:  The product must be stored in shade, dry and well-ventilated warehouse. Avoid to be contacted with oxidizing chemicals and combustible organic substance. Keep it away from direct sublight, heat, sparks and open flames.If any of our itms interest you please do not hesitate to contact us, we assure you that we will give immediate response to your enquiry. Your cooperation will be highly appreciate*** We supply good service, good quality and competive prices. *** We have great enthusiasm and patience, we are conscientious and responsible.

Green Malachite