Direct Black 22
[CAS# 6473-13-8]

Identification

• Classification: Dyes and pigments >> Dyes >> Direct dye
• Name: Direct Black 22
• Synonyms: Trisodium 6-[(2,4-diaminophenyl)azo]-3-[[4-[[4-[[7-[(2,4-diaminophenyl)azo]-1-hydroxy-3-sulphonato-2-naphthyl]azo]phenyl]amino]-3-sulphonatophenyl]azo]-4-hydroxynaphthalene-2-sulphonate
• Molecular Formula: C₄₄H₃₂N₁₃Na₃O₁₁S₃
• Molecular Weight: 1083.97
• CAS Registry Number: 6473-13-8
• EC Number: 229-326-3

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Eye irritation	Eye Irrit.	2	H319
Skin irritation	Skin Irrit.	2	H315
Eye irritation	Eye Irrit.	2	H320