Dodecyltrimethylammonium bromide
Also known as: DTAB, Lauryltrimethylammonium bromide, Laurtrimonium bromide, N,N,N-Trimethyl-1-dodecanaminium bromide, N,N,N-Trimethyldodecan-1-aminium bromide, n-Dodecyl trimethylammonium bromide, Dodecyl trimethyl ammonium bromide, 1-Dodecanaminium, N,N,N-trimethyl-, bromide (1:1), dodecyl(trimethyl)ammonium bromide, dodecyl(trimethyl)azanium,bromide, MFCD00011767, EINECS 214-290-3
Dodecyltrimethylammonium bromide (CAS 1119-94-4) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C15H34BrN and a molecular weight of 308.341 g/mol. Key properties include a melting point of 246 °C (dec.)(lit.) and a flash point of 246°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. It is listed by 1 supplier; request a quote for pricing. Record last updated Aug 21, 2026.
- CAS No.
- 1119-94-4
- Jingsj CID
- J-1109364-4
- Molecular Formula
- C15H34BrN
- Molecular Weight
- 308.341 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
Made to Order | - | - | CN China |
Physicochemical Properties
| Melting Point | 246 °C (dec.)(lit.) |
|---|---|
| Flash Point | 246°C |
| Exact Mass | 307.187469 |
| LogP | 1.61750 |
| Additional Property | soluble |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
- H410 — Very toxic to aquatic life with long lasting effects
Activity & Biological Data
| Additional Information | [1]. E F Silva, et al. Dodecyltrimethylammonium bromide surfactant effects on DNA: Unraveling the competition between electrostatic and hydrophobic interactions. |
|---|
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 Dodecyltrimethylammonium bromide?
The CAS number of Dodecyltrimethylammonium bromide is 1119-94-4.
What are the molecular formula and molecular weight of Dodecyltrimethylammonium bromide?
Dodecyltrimethylammonium bromide has molecular formula C15H34BrN and molecular weight 308.341 g/mol.
Which suppliers offer Dodecyltrimethylammonium bromide?
1 supplier(s) listed; request a quote for pricing.
Is Dodecyltrimethylammonium bromide hazardous?
Dodecyltrimethylammonium 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 Dodecyltrimethylammonium bromide?
For Dodecyltrimethylammonium bromide, Upstream Products: 1-Bromododecane, Trimethylamine, Dimethyl Carbonate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Dodecyltrimethylammonium bromide (CAS 1119-94-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1109364-4 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.