Palmitoleic acid
Also known as: (9Z)-hexadec-9-enoic acid, cis-9-hexadecenoic acid, 9-hexadecenoic acid, zoomaric acid, oleopalmitic acid, cis-palmitoleic acid, C16:1 (cis-9) acid
Palmitoleic acid (CAS 373-49-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C16H30O2 and a molecular weight of 254.408 g/mol. Key properties include a melting point of 0.5 °C, a boiling point of 363.6±0.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 239.2±14.4 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 373-49-9
- Jingsj CID
- J-16028-1
- Molecular Formula
- C16H30O2
- Molecular Weight
- 254.408 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 0.5 °C |
|---|---|
| Boiling Point | 363.6±0.0 °C at 760 mmHg |
| Density | 0.9±0.1 g/cm3 |
| Flash Point | 239.2±14.4 °C |
| Exact Mass | 254.224579 |
| PSA | 37.30000 |
| LogP | 6.64 |
| Vapor Pressure | 0.0±1.7 mmHg at 25°C |
| Refractive Index | 1.466 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Activity & Biological Data
| Target | Human Endogenous Metabolite |
|---|---|
| Additional Information | [1]. Ogunleye A, et al. Fatty acid composition of breast milk from Nigerian and Japanese women. J Nutr Sci Vitaminol (Tokyo). 1991 Aug;37(4):435-42. [2]. Yamori Y, et al. Dietary prevention of stroke and its mechanisms in stroke-prone spontaneously hypertensive rats--preventive effect of dietary fibre and palmitoleic acid. J Hypertens Suppl. 1986 Oct;4(3):S449-52. |
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 Palmitoleic acid?
The CAS number of Palmitoleic acid is 373-49-9.
What are the molecular formula and molecular weight of Palmitoleic acid?
Palmitoleic acid has molecular formula C16H30O2 and molecular weight 254.408 g/mol.
Is Palmitoleic acid hazardous?
Palmitoleic acid has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of Palmitoleic acid?
For Palmitoleic acid, Upstream Products: Carbon dioxide, Methyl (9Z)-9-hexadecenoate, Ethyl palmitoleate; Downstream Products: cis-Vaccenic acid, 1-decene, 9-Decenoic acid.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Palmitoleic acid (CAS 373-49-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-16028-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.