Acid Violet 49
[CAS 1694-09-3]

Identification

• Classification: Dyes and pigments >> Dyes >> Acid dyestuff
• Name: Acid Violet 49
• Synonyms: C.I. 42640; Sodium 3-[[[4-[(4-dimethylazaniumylidene-1-cyclohexa-2,5-dienylidene)-[4-[ethyl-[(3-sulfonatophenyl)methyl]amino]phenyl]methyl]phenyl]-ethylamino]methyl]benzenesulfonate; N-[4-[[4-(Dimethylamino)phenyl][4-[ethyl[(3-sulfophenyl)methyl]amino]phenyl]methylene]-2,5-cyclohexadien-1-ylidene]-N-ethyl-3-sulfobenzenemethanaminium inner salt sodium salt
• Molecular Formula: C₃₉H₄₀N₃NaO₆S₂
• Molecular Weight: 733.87
• CAS Registry Number: 1694-09-3
• EC Number: 216-901-9

Properties

• Melting point: 245-250 °C

Safety Data

• Hazard Symbols: GHS08 Warning
• Risk Statements: H351

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Carcinogenicity	Carc.	2	H351
Acute toxicity	Acute Tox.	3	H311
Acute toxicity	Acute Tox.	3	H301
Chronic hazardous to the aquatic environment	Aquatic Chronic	2	H411
Specific target organ toxicity - repeated exposure	STOT RE	2	H373