Methyl 9-octadecynoate
Also known as: 9-Octadecynoic acid methyl ester, 9-Octadecynoic acid, methyl ester, Methyl octadec-9-ynoate, Methyl stearolate, Stearolic acid methyl ester, octadec-9-ynoic acid methyl ester
Methyl 9-octadecynoate (CAS 1120-32-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C19H34O2 and a molecular weight of 294.472 g/mol. Key properties include a boiling point of 371.4±25.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 155.6±20.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1120-32-7
- Jingsj CID
- J-29253-5
- Molecular Formula
- C19H34O2
- Molecular Weight
- 294.472 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 371.4±25.0 °C at 760 mmHg |
|---|---|
| Density | 0.9±0.1 g/cm3 |
| Flash Point | 155.6±20.6 °C |
| Exact Mass | 294.255890 |
| PSA | 26.30000 |
| LogP | 7.26 |
| Vapor Pressure | 0.0±0.8 mmHg at 25°C |
| Refractive Index | 1.459 |
Customs & Trade Information
| HS Code | 2916190090 |
|---|---|
| Summary | 2916190090 unsaturated acyclic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives。supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward)。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 Methyl 9-octadecynoate?
The CAS number of Methyl 9-octadecynoate is 1120-32-7.
What are the molecular formula and molecular weight of Methyl 9-octadecynoate?
Methyl 9-octadecynoate has molecular formula C19H34O2 and molecular weight 294.472 g/mol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Methyl 9-octadecynoate (CAS 1120-32-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-29253-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.