Eriochrome Black T PQ
Product Information
Synonyms: 3-Hydroxy-4-[(1-Hydroxy-2-Naphthalenyl)azo]-7-Nitro-1-Naphthalenesulphonic
Acid Sodium Salt, Mordant Black 11
Molecular formula: C20H12N3NaO7S
M = 461,38 g/mol
PHYSICAL DATA:
- Brownish black powder
- Solubility in water at 20ºC: 80 g/L
- Solubility in alcohol: 10 g/L
CAS number: 1787-61-7
EINECS number: 217-250-3