Ethylhexadecyldimethylammonium bromide
Also known as: Cetyldimethylethylammonium bromide, Hexadecyl dimethyl ethyl ammonium bromide, Cetylethyldimethylammonium bromide, Dimethylethylhexadecylammonium bromide, EHDAB, CDA, CEDAB, N-Ethyl-N,N-dimethylhexadecan-1-aminium bromide, Cetethyldimonium bromide, Ammonyx DME, Bretol
Ethylhexadecyldimethylammonium bromide (CAS 124-03-8) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C20H44BrN and a molecular weight of 378.474 g/mol. Key properties include a melting point of 190 °C and a flash point of 93 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 124-03-8
- Jingsj CID
- J-32644-9
- Molecular Formula
- C20H44BrN
- Molecular Weight
- 378.474 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 190 °C |
|---|---|
| Flash Point | 93 °C |
| Exact Mass | 377.265717 |
| LogP | 3.56800 |
| Additional Property | 200 G/L (20 ºC) |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
Activity & Biological Data
| Additional Information | [1]. Kahu SS, et al. Two fold modified chitosan for enhanced adsorption of hexavalent chromium from simulated wastewater and industrial effluents. Carbohydr Polym. 2016 Aug 1;146:264-73. [2]. Kalinich JF, McClain DE. Staining of intracellular deposits of uranium in cultured murine macrophages. Biotech Histochem. 2001 Sep-Nov;76(5-6):247-52. |
|---|
Customs & Trade Information
| HS Code | 2923900090 |
|---|---|
| Summary | 2923900090 other quaternary ammonium salts and hydroxides。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Ethylhexadecyldimethylammonium bromide?
The CAS number of Ethylhexadecyldimethylammonium bromide is 124-03-8.
What are the molecular formula and molecular weight of Ethylhexadecyldimethylammonium bromide?
Ethylhexadecyldimethylammonium bromide has molecular formula C20H44BrN and molecular weight 378.474 g/mol.
Is Ethylhexadecyldimethylammonium bromide hazardous?
Ethylhexadecyldimethylammonium bromide has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H319 — Causes serious eye irritation.
What are the upstream and downstream products of Ethylhexadecyldimethylammonium bromide?
For Ethylhexadecyldimethylammonium bromide, Upstream Products: Bromoethane, N,N-Dimethylhexadecylamine, N,N-Dimethyloctadecylamine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Ethylhexadecyldimethylammonium bromide (CAS 124-03-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-32644-9 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.