(1-Hexadecyl)trimethylammonium bromide, 98%, Thermo Scientific Chemicals

Product Code	Brand	Quantity
11478740	Thermo Scientific Alfa Aesar A15235.22	100 g
11488740	Thermo Scientific Alfa Aesar A15235.36	500 g
11482268	Thermo Scientific Alfa Aesar A15235.0I	5000 g

Description

(1-Hexadecyl)trimethylammonium bromide is a cationic surfactant in hair conditioning products. It acts as a phase-transfer catalyst for the preparation of polyamide, polycarbonate and polythiocarbonate. It facilitates ligand-free palladium salt-catalyzed Heck and Suzuki cross-coupling reactions in water. It is an active component of the topical antiseptic cetrimide and used in household products such as shampoos and cosmetics. As a buffer solution, it is involved in the extraction of DNA as well as in the synthesis of gold nanoparticles and silican nanoparticles.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
(1-Hexadecyl)trimethylammonium bromide is a cationic surfactant in hair conditioning products. It acts as a phase-transfer catalyst for the preparation of polyamide, polycarbonate and polythiocarbonate. It facilitates ligand-free palladium salt-catalyzed Heck and Suzuki cross-coupling reactions in water. It is an active component of the topical antiseptic cetrimide and used in household products such as shampoos and cosmetics. As a buffer solution, it is involved in the extraction of DNA as well as in the synthesis of gold nanoparticles and silican nanoparticles.

Solubility
Soluble in alcohol, chloroform and water. Slightly soluble in acetone. Insoluble in diethyl ether and benzene.

Notes
Hygroscopic. Store in an airtight container. Incompatible with bases and strong oxidizing agents.

Chemical Identifiers

• CAS: 57-09-0
• Molecular Weight (g/mol): 364.46
• InChI Key: LZZYPRNAOMGNLH-UHFFFAOYSA-M
• PubChem CID: 5974
• SMILES: [Br-].CCCCCCCCCCCCCCCC[N+](C)(C)C

• Molecular Formula: C19H42BrN
• MDL Number: MFCD00011772
• Synonym: cetrimonium bromide, cetyltrimethylammonium bromide, hexadecyltrimethylammonium bromide, ctab, centimide, cetab, bromat, ctmab, cee dee, cetavlon
• ChEBI: CHEBI:3567

Specifications

• CAS: 57-09-0
• pH: 5 to 7
• Odor: Odorless
• MDL Number: MFCD00011772
• Beilstein: 3598189
• Merck Index: 14,2025
• Solubility Information: Soluble in alcohol,chloroform and water. Slightly soluble in acetone. Insoluble in diethyl ether and benzene.
• SMILES: [Br-].CCCCCCCCCCCCCCCC[N+](C)(C)C
• Molecular Weight (g/mol): 364.46
• ChEBI: CHEBI:3567
• Percent Purity: 98%

• Melting Point: ∼245°C (decomposition)
• Flash Point: 244°C (471°F)
• Molecular Formula: C19H42BrN
• UN Number: UN3077
• Sensitivity: Hygroscopic
• Synonym: cetrimonium bromide, cetyltrimethylammonium bromide, hexadecyltrimethylammonium bromide, ctab, centimide, cetab, bromat, ctmab, cee dee, cetavlon
• InChI Key: LZZYPRNAOMGNLH-UHFFFAOYSA-M
• IUPAC Name: hexadecyl(trimethyl)azanium;bromide
• PubChem CID: 5974
• Formula Weight: 364.46
• Chemical Name or Material: (1-Hexadecyl)trimethylammonium bromide

Safety and Handling

GHS H Statement
H318-H302-H335-H315
Causes serious eye damage.
Harmful if swallowed.
May cause respiratory irritation.
Causes skin irritation.

P260-P264b-P270-P271-P280-P301+P312-P302+P352-P304+P340-P305+P351+P338-P310-P312-P314-P330-P332+P313-P362-P501c

H302-H315-H318-H335-H373

missing translation for 'dotInformation' : Transport Hazard Class: 9; Packing Group: III; Proper Shipping Name: ENVIRONMENTALLY HAZARDOUS SUBSTANCES, SOLID, N.O.S.

missing translation for 'einecsNumber' : 200-311-3

missing translation for 'rtecsNumber' : BQ7875000

missing translation for 'tsca' : Yes

Recommended Storage : Ambient temperatures

Product Identifier

• (1-Hexadecyl)trimethylammonium bromide

Signal Word

• Danger

Hazard Category

• Acute toxicity Category 4
• Skin corrosion/irritation Category 2
• Serious eye damage/eye irritation Category 1
• Specific target organ toxicity Category 3
• Specific target organ toxicity after repeated exposure Category 2

Hazard Statement

• H318-Causes serious eye damage.
• H302-Harmful if swallowed.
• H315-Causes skin irritation.
• H335-May cause respiratory irritation.
• H410-Very toxic to aquatic life with long lasting effects.
• H373-May cause damage to organs.

Precautionary Statement

• P261-Avoid breathing dust/fume/gas/mist/vapours/spray.
• P273-Avoid release to the environment.
• P280-Wear protective gloves/protective clothing/eye protection/face protection.
• P301+P312-IF SWALLOWED: Call a POISON CENTER or doctor/physician/ if you feel unwell.
• P302+P352-IF ON SKIN: Wash with plenty of water/soap.
• P305+P351+P338-IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

RUO – Research Use Only