Acid Dyestuff


Acid Yellow 220
Colorants for Wood, Wool, Silk, Hair, Printing, Polyamide fiber, etc.

technical support

Product Name: ACID YELLOW 220 (Acid Yellow S-2G; Yellow S-G)
Code: 101220DA
Color index: 11714
CAS No.: 70851-34-2
EINECS: 274-929-7
Molecular Formula: C46H32Cl2CoN8Na4O14S2
Molecular Weight: 1206.71976
Molecular structure: Azo, 1:2 Cobalt complexed

technical support


Physical and Chemical properties:

TEST ITEMS SPECIFICATION
APPEARANCE DEEP YELLOW POWDER
SHADE DARK YELLOW
IONICITY ANIONIC
DENSITY 1.05-1.2 g/cm3
LIGHT FASTNESS 7-8
SOAPING (FADING) 4-5
SOAPING (STAIN) 4-5
PERSPERATION FASTNESS 5
FASTNESS TO SEAWATER (FADING) 4-5

Packing: 25kg bags with pallets/25kg drums/boxes.