7-Octenoic acid

Also known as: oct-7-enoic acid, 7-octenoic acid, C8:1n-1, Oct-7-ensaeure

7-Octenoic acid (CAS 18719-24-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H14O2 and a molecular weight of 142.19600 g/mol. Key properties include a boiling point of 242.1ºC at 760 mmHg, a density of 0.946g/cm3 and a flash point of 139.4ºC. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed, H314 — Causes severe skin burns and eye damage and H400 — Very toxic to aquatic life. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 18719-24-9
Jingsj CID: J-43961-2
Molecular Formula: C₈H₁₄O₂
Molecular Weight: 142.19600 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	242.1ºC at 760 mmHg
Density	0.946g/cm3
Flash Point	139.4ºC
Exact Mass	142.09900
PSA	37.30000
LogP	2.20750
Vapor Pressure	0.0115mmHg at 25°C
Refractive Index	1.45

GHS Safety & Compliance

Corrosion / Irritant / Environmental HazardSignal word: Danger

H302 — Harmful if swallowed
H314 — Causes severe skin burns and eye damage
H400 — Very toxic to aquatic life

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 7-Octenoic acid?

The CAS number of 7-Octenoic acid is 18719-24-9.

What are the molecular formula and molecular weight of 7-Octenoic acid?

7-Octenoic acid has molecular formula C8H14O2 and molecular weight 142.19600 g/mol.

Is 7-Octenoic acid hazardous?

7-Octenoic acid has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H314 — Causes severe skin burns and eye damage; H400 — Very toxic to aquatic life.

What are the upstream and downstream products of 7-Octenoic acid?

For 7-Octenoic acid, Upstream Products: 5-Hexen-1-ol, Acetyl chloride, β-Propiolactone; Downstream Products: 8-Bromooctanoic acid, Adipic acid, Pimelic 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. "7-Octenoic acid (CAS 18719-24-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-43961-2 (accessed 2026-11-09).

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