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trans-2-Octenoic acid

Also known as: (E)-2-Octenoic acid, 2-Octenoic acid, oct-2-enoic acid, 2-Octenoic acid, (E)-

trans-2-Octenoic acid (CAS 1871-67-6) 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 melting point of 5-6 °C(lit.), a boiling point of 154 °C22 mm Hg(lit.), a density of 0.944 g/mL at 25 °C(lit.) and a flash point of >110.0 °C. It is classified under GHS with signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.

CAS No.
1871-67-6
Jingsj CID
J-16210-7
Molecular Formula
C8H14O2
Molecular Weight
142.19600 g/mol
Category
Organic Acids
Last updated
11/3/2026
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Physicochemical Properties

Melting Point5-6 °C(lit.)
Boiling Point154 °C22 mm Hg(lit.)
Density0.944 g/mL at 25 °C(lit.)
Flash Point>110.0 °C
Exact Mass142.09900
PSA37.30000
LogP2.20750
Vapor Pressure0.0037mmHg at 25°C
Refractive Indexn20/D 1.4588(lit.)

GHS Safety & Compliance

CorrosionSignal word: Danger
  • H314 — Causes severe skin burns and eye damage

Frequently Asked Questions

What is the CAS number of trans-2-Octenoic acid?

The CAS number of trans-2-Octenoic acid is 1871-67-6.

What are the molecular formula and molecular weight of trans-2-Octenoic acid?

trans-2-Octenoic acid has molecular formula C8H14O2 and molecular weight 142.19600 g/mol.

Is trans-2-Octenoic acid hazardous?

trans-2-Octenoic acid has GHS signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage.

What are the upstream and downstream products of trans-2-Octenoic acid?

For trans-2-Octenoic acid, Upstream Products: Malonic acid, Hexanal, Diethylphosphonoacetic acid; Downstream Products: Octanal, Octanoic acid, 1-Octanol.

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

Last updated:

How to cite: Jingsj. "trans-2-Octenoic acid (CAS 1871-67-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-16210-7 (accessed 2026-11-09).

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