Elaidic Acid

Also known as: trans-9-Octadecenoic Acid, trans-Oleic acid, (E)-9-Octadecenoic acid, (9E)-9-Octadecenoic acid, 9E-Octadecenoic acid, 9-trans-Octadecenoic acid, trans-Octadec-9-enoic acid, elaidic acid, 9-Octadecenoic acid, (9E)-, 9-Octadecenoic acid, (E)-

Elaidic Acid (CAS 112-79-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C18H34O2 and a molecular weight of 282.461 g/mol. Key properties include a melting point of 42-44 â„ƒ(lit.), a boiling point of 360.0±0.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 270.1±14.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 112-79-8
Jingsj CID: J-7559-2
Molecular Formula: C₁₈H₃₄O₂
Molecular Weight: 282.461 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	42-44 â„ƒ(lit.)
Boiling Point	360.0±0.0 °C at 760 mmHg
Density	0.9±0.1 g/cm3
Flash Point	270.1±14.4 °C
Exact Mass	282.255890
PSA	37.30000
LogP	7.70
Vapor Pressure	0.0±1.7 mmHg at 25°C
Refractive Index	1.467

Activity & Biological Data

Target	Human Endogenous Metabolite

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 Elaidic Acid?

The CAS number of Elaidic Acid is 112-79-8.

What are the molecular formula and molecular weight of Elaidic Acid?

Elaidic Acid has molecular formula C18H34O2 and molecular weight 282.461 g/mol.

What are the upstream and downstream products of Elaidic Acid?

For Elaidic Acid, Upstream Products: Oleoyl chloride, Hexylmagnesium chloride, oleic acid; Downstream Products: Stearic acid hydrazide, trans-9-Octadecenol, Brassidic acid.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "Elaidic Acid (CAS 112-79-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-7559-2 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.