Hexadecyl trimethyl ammonium bromide
[CAS# 57-09-0]

Identification

• Classification: API >> Synthetic anti-infective drugs >> Disinfectant antiseptic
• Name: Hexadecyl trimethyl ammonium bromide
• Synonyms: Hexadecyltrimethylammonium bromide; Cetyltrimethylammonium bromide; Cetrimonium bromide; CTABr; Palmityl trimethyl ammonium bromide
• Molecular Formula: C₁₉H₄₂BrN
• Molecular Weight: 364.45
• CAS Registry Number: 57-09-0
• EC Number: 200-311-3

Properties

• Melting point: 248-250 ºC
• Water solubility: 13 g/L (20 ºC)

Safety Data

• Hazard Symbols: Xn;N
• Risk Codes: R22;R36/37/38;R50/53
• Safety Description: S26;S37/39;S61

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Acute toxicity	Acute Tox.	4	H302
Acute hazardous to the aquatic environment	Aquatic Acute	1	H400
Serious eye damage	Eye Dam.	1	H318
Skin irritation	Skin Irrit.	2	H315
Specific target organ toxicity - single exposure	STOT SE	3	H335
Specific target organ toxicity - repeated exposure	STOT RE	2	H373
Chronic hazardous to the aquatic environment	Aquatic Chronic	1	H410
Eye irritation	Eye Irrit.	2	H319
Specific target organ toxicity - single exposure	STOT SE	1	H370
Reproductive toxicity	Repr.	2	H361
Skin sensitization	Skin Sens.	1	H317
Specific target organ toxicity - single exposure	STOT SE	3	H336
Acute toxicity	Acute Tox.	4	H312
Acute toxicity	Acute Tox.	4	H332
Serious eye damage	Eye Dam.	1	H319
Chronic hazardous to the aquatic environment	Aquatic Chronic	3	H411
Skin corrosion	Skin Corr.	1A	H314
Germ cell mutagenicity	Muta.	2	H341

• Transport Information: UN 1759;UN 3077