Direct frozen yellow G
Alias: Yan 4R, direct yellow 12
Yellow light: slightly different from the standard
100% direct strength standard
Content%: ≤ 5.0
Content of insoluble matter in water%: ≤ 1.0 fineness (content of residue passing 180mm sieve)% ≤ 5.0
Usage: used for dyeing and printing of cotton and viscose, dyeing of silk, wool, vinylon, nylon and their blends, and dyeing of pulp.
Product Name: chrysophenine GX
Molecular formula: C30H26N4Na2O8S2
Color index: CI direct yellow 12
Cas No:2870-32-8
Appearance: reddish brown uniform powder
Strength: 100%
Hue: similar to reference material
Insoluble matter%: 1.0max
Moisture 5.0Max
Mesh 180um: 5.0max in water
Solubility: very soluble.
Uses: printing and dyeing cotton and viscose fabrics. It can also dye flocking and wool, vinylon, nylon fabrics, and pulp.
Overview: acid chrome black (mordant black 11) is one of the main acid mordant dyes. It has the characteristics of ordinary acid dyes and has alkaline groups that can complex with metal atoms. After being treated with mordant, it can produce insoluble color lakes. Therefore, it has better wet fastness. Chrome black T has better levelness, better fastness and lower cost than ordinary acid dyes. Therefore, it is an important dye in wool black dyes.
Packing: 25kg iron drums, cartons, woven bags.
Storage and transportation: the products must be stored in a cool, dry and well ventilated warehouse. Avoid contact with oxidants
Chemicals and combustible organic substances. Keep it away from direct sunlight, heat sources, sparks and open lameness. Handle with care
Avoid damaging the packaging.