Cetyltrimethylammonium bromide
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Description
A quaternary ammonium salt. Cetytrimethylammonium bromide, or cetrimonium bromide, is used as a cationic detergent, surfactant, and bactericide. It has been added to glue-paste formulations as a nontoxic alternative to phenol (Ackroyd 1996).
Synonyms and Related Terms
cetyltrimethylammonium bromide; CTAB; hexadecyltrimethylammonium bromide; cetrimonium bromide; Cetab; Centimide
Risks
- Harmful if swallowed.
- Contact causes severe irritation.
- ThermoFisher: SDS
Physical and Chemical Properties
Soluble in water, ethanol, chloroform. Insoluble in ether, benzene, acetone.
| Composition | C16H33(CH3)3NBr |
|---|---|
| CAS | 57-09-0 |
| Melting Point | 237-243 C |
| Molecular Weight | mol. wt. = 364.45 |
Resources and Citations
- P.Ackroyd "Glue-Paste Lining of Paintings: An Evaluation of Some Additive Materials" ICOM Edinburgh 1996 p.231-238