
Dodecyltrimethylammonium bromide
Dodecyltrimethylammonium bromide is a bromide salt and a quaternary ammonium salt. It has a role as a surfactant. It contains a dodecyltrimethylammonium ion. — ChEBI
- IUPAC name
- dodecyl(trimethyl)azanium bromide
- Molecular formula
- C15H34BrN
- Molecular weight
- 308.34 g/mol
- Exact mass
- 307.18746 Da
- Topological polar surface area
- 0.0 Ų
- Hydrogen-bond donors
- 0
- Hydrogen-bond acceptors
- 1
- Covalent units
- 2
- Defined stereocentres
- 0
Also known as
16 more reported names
External database identifiers
- ChEBI:CHEBI:282662
- ChEMBL:CHEMBL109873
- EPA DTXSID:DTXSID5044366
Evidence from additional scientific databases
NIH PubChem PUG-View
Attributed physical-property, hazard, environmental and use annotations.
- Physical Description: Dry Powder Source: EPA Chemical Data Reporting (CDR)
- Physical Description: White to light yellow odorless powder; Hygroscopic; [Acros Organics MSDS] Source: Haz-Map, Information on Hazardous Chemicals and Occupational Diseases
- Note: This chemical does not meet GHS hazard criteria for 2.2% (2 of 89) of reports. Source: European Chemicals Agency (ECHA)
- Signal: Danger Source: European Chemicals Agency (ECHA)
- GHS Hazard Statements: H301 (20.2%): Toxic if swallowed [Danger Acute toxicity, oral]; H302 (53.9%): Harmful if swallowed [Warning Acute toxicity, oral]; H315 (96.6%): Causes skin irritation [Warning Skin corrosion/irritation]; H317 (23.6%): May cause an allergic skin reaction [Warning Sensitization, Skin]; H319 (96.6%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]; H335 (62.9%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]; H400 (69.7%): Very toxic to aquatic life [Warning Hazardous to the aquatic environment, acute hazard]; H410 (66.3%): Very toxic to aquatic life with long lasting effects [Warning Hazardous to the aquatic environment, long-term hazard] Source: European Chemicals Agency (ECHA)
- Precautionary Statement Codes: P261, P264, P264+P265, P270, P271, P272, P273, P280, P301+P316, P301+P317, P302+P352, P304+P340, P305+P351+P338, P319, P321, P330, P332+P317, P333+P317, P337+P317, P362+P364, P391, P403+P233, P405, and P501 (click each P-code to see the statement) Source: European Chemicals Agency (ECHA)
- ECHA C&L Notifications Summary: Aggregated GHS information provided per 89 reports by companies from 18 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.; Reported as not meeting GHS hazard criteria per 2 of 89 reports by companies.; There are 17 notifications provided by 87 of 89 reports by companies with hazard statement code(s).; Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website. Source: European Chemicals Agency (ECHA)
- Signal: Danger Source: NITE-CMC
- GHS Hazard Statements: H301: Toxic if swallowed [Danger Acute toxicity, oral]; H315: Causes skin irritation [Warning Skin corrosion/irritation]; H400: Very toxic to aquatic life [Warning Hazardous to the aquatic environment, acute hazard]; H410: Very toxic to aquatic life with long lasting effects [Warning Hazardous to the aquatic environment, long-term hazard] Source: NITE-CMC
- Precautionary Statement Codes: P264, P270, P273, P280, P301+P316, P302+P352, P321, P330, P332+P317, P362+P364, P391, P405, and P501 (click each P-code to see the statement) Source: NITE-CMC
- Signal: Danger Source: Hazardous Chemical Information System (HCIS), Safe Work Australia
- GHS Hazard Statements: H302: Harmful if swallowed [Warning Acute toxicity, oral]; H312: Harmful in contact with skin [Warning Acute toxicity, dermal]; H314: Causes severe skin burns and eye damage [Danger Skin corrosion/irritation] Source: Hazardous Chemical Information System (HCIS), Safe Work Australia
- Precautionary Statement Codes: P260, P264, P270, P280, P301+P317, P301+P330+P331, P302+P352, P302+P361+P354, P304+P340, P305+P354+P338, P316, P317, P321, P330, P362+P364, P363, P405, and P501 (click each P-code to see the statement) Source: Hazardous Chemical Information System (HCIS), Safe Work Australia
- Cosmetic Ingredient Review Conclusion: The CIR Expert Panel concluded the following ingredients are safe in the present practices of use and concentration described in the safety assessment when formulated to be non-irritating...Laurtrimonium Bromide... Source: Cosmetic Ingredient Review (CIR)
- Cosmetic Ingredient Review Finding(s): Safe for use in cosmetics, with qualifications Source: Cosmetic Ingredient Review (CIR)
- Industry Uses: Defoamer Source: EPA Chemical Data Reporting (CDR)
- Cosmetic Ingredient Review Link: CIR ingredient: Laurtrimonium Bromide Source: Cosmetic Ingredient Review (CIR)
Mapped by: Existing checksum-valid CAS to unique PubChem CID match. Retrieved: 2026-08-31. Open source record
Scientific classifications and hazard annotations provide context and do not replace the market-specific regulatory decision shown above.
Additional source coverage and match status
| Source | Result | Checked |
|---|---|---|
| NIH PubChem PUG-View | Exact match | 2026-08-31 |
A recorded no-match is useful evidence that the source was checked; it is not a claim that the substance does not exist elsewhere.
Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.