Fast Yellow 5GL
Molecular weight: 662
Molecular formula: C₂₅H₂₀O₉N₄S₃Na₂
Structural formula: 

CAS: 10190-68-8
EINECS: 233-461-3
Quality Standard:
Apperance: Dark canary uniform powder.
Intensity: 100±3 % of the standard.
Colorful light: Approximate to standard
Yellow powder,lemon yellow in water,soluble in fibre,difficultly soluble in aclohol,orange in benzene or carbon tetrachloride,not soluble in other organic agents.
Uses: For cotton and hemp glue or dyeness of fibre clothes,or for the dyeness of silk wool terylene and its mixed weave,or for dyeness of leather pulp.
Packing: 25Kg iron bucket.