Direct Black 19
[CAS 6428-31-5]

Identification

• Classification: Dyes and pigments >> Dyes >> Direct dye
• Name: Direct Black 19
• Synonyms: Disodium 4-amino-3,6-bis[[4-[(2,4-diaminophenyl)azo]phenyl]azo]-5-hydroxynaphthalene-2,7-disulphonate
• Molecular Formula: C₃₄H₂₇N₁₃Na₂O₇S₂
• Molecular Weight: 839.77
• CAS Registry Number: 6428-31-5
• EC Number: 229-208-1

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Skin irritation	Skin Irrit.	2	H315
Eye irritation	Eye Irrit.	2	H319
Specific target organ toxicity - single exposure	STOT SE	3	H335
Skin sensitization	Skin Sens.	1B	H317
Serious eye damage	Eye Dam.	1	H318