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(Z)-4-decenoic acid

Also known as: cis-4-decenoic acid, CIS-4-DECENOIC ACID, Obtusilic acid, cis-Obtusilic acid, 4-cis-decenoic acid, Z-4-decenoic acid, dec-4c-enoic acid, (4Z)-4-Decenoic acid, 4-Decenoic acid, (4Z)-, Einecs 208-024-5, RARECHEM AL BE 0546

(Z)-4-decenoic acid (CAS 505-90-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H18O2 and a molecular weight of 170.24900 g/mol. Key properties include a melting point of 18.83°C (estimate), a boiling point of 274.9ºC at 760mmHg, a density of 0.936g/cm3 and a flash point of 172.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
505-90-8
Jingsj CID
J-1356288-4
Molecular Formula
C10H18O2
Molecular Weight
170.24900 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point18.83°C (estimate)
Boiling Point274.9ºC at 760mmHg
Density0.936g/cm3
Flash Point172.1ºC
Exact Mass170.13100
PSA37.30000
LogP2.98770
Refractive Index1.462

Customs & Trade Information

HS Code2916190090
Summary2916190090 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 (Z)-4-decenoic acid?

The CAS number of (Z)-4-decenoic acid is 505-90-8.

What are the molecular formula and molecular weight of (Z)-4-decenoic acid?

(Z)-4-decenoic acid has molecular formula C10H18O2 and molecular weight 170.24900 g/mol.

What are the upstream and downstream products of (Z)-4-decenoic acid?

For (Z)-4-decenoic acid, Upstream Products: 4-Decenal, cis-4-Decen-1-ol, 5-Ethenyldihydro-2(3H)-furanone; Downstream Products: Methyl (Z)-4-decenoate, gamma-Decalactone, δ-Decalactone.

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

Last updated:

How to cite: Jingsj. "(Z)-4-decenoic acid (CAS 505-90-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1356288-4 (accessed 2026-11-09).

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