Octadecyltrimethylammonium chloride
Also known as: Steartrimonium chloride, Stearyl trimethyl ammonium chloride, Trimethyloctadecylammonium chloride, STAC, Aliquat 7, 1-Octadecanaminium, N,N,N-trimethyl-, chloride, N,N,N-Trimethyl-1-octadecanaminium chloride, n-Octadecyltrimethylammonium chloride, Trimethylstearylammonium Chloride, Octadecyl trimethyl ammonium chloride
Octadecyltrimethylammonium chloride (CAS 112-03-8) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C21H46ClN and a molecular weight of 348.050 g/mol. Key properties include a melting point of 80°C, a boiling point of 100°C and a density of 0.6363 (g/ml). It is listed by 1 supplier; request a quote for pricing. Record last updated Aug 21, 2026.
- CAS No.
- 112-03-8
- Jingsj CID
- J-45413-7
- Molecular Formula
- C21H46ClN
- Molecular Weight
- 348.050 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 | 80°C |
|---|---|
| Boiling Point | 100°C |
| Density | 0.6363 (g/ml) |
| Exact Mass | 347.331879 |
| LogP | 3.95810 |
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 Octadecyltrimethylammonium chloride?
The CAS number of Octadecyltrimethylammonium chloride is 112-03-8.
What are the molecular formula and molecular weight of Octadecyltrimethylammonium chloride?
Octadecyltrimethylammonium chloride has molecular formula C21H46ClN and molecular weight 348.050 g/mol.
Which suppliers offer Octadecyltrimethylammonium chloride?
1 supplier(s) listed; request a quote for pricing.
What are the upstream and downstream products of Octadecyltrimethylammonium chloride?
For Octadecyltrimethylammonium chloride, Upstream Products: Chloromethane, N,N-Dimethyloctadecylamine, Octadecylamine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Octadecyltrimethylammonium chloride (CAS 112-03-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-45413-7 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.