2,4-Nonadecadiynoic acid

2,4-十九二炔酸

Also known as: Nonadeca-2,4-diynoic acid, Nonadecadiynoic acid

2,4-Nonadecadiynoic acid (CAS 76709-55-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C19H30O2 and a molecular weight of 290.440 g/mol. It is also known as Nonadeca-2,4-diynoic acid and Nonadecadiynoic acid. Key properties include a melting point of 69ºC, a boiling point of 418.0±28.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 220.7±20.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
76709-55-2
Jingsj CID
J-1392627-0
Molecular Formula
C19H30O2
Chinese Name
2,4-十九二炔酸
Molecular Weight
290.440 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point69ºC
Boiling Point418.0±28.0 °C at 760 mmHg
Density1.0±0.1 g/cm3
Flash Point220.7±20.5 °C
Exact Mass290.224579
PSA37.30000
LogP9.30
Vapor Pressure0.0±2.1 mmHg at 25°C
Refractive Index1.490

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 2,4-Nonadecadiynoic acid?

The CAS number of 2,4-Nonadecadiynoic acid is 76709-55-2.

What are the molecular formula and molecular weight of 2,4-Nonadecadiynoic acid?

2,4-Nonadecadiynoic acid has molecular formula C19H30O2 and molecular weight 290.440 g/mol.

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

Last updated:

How to cite: Jingsj. "2,4-Nonadecadiynoic acid (CAS 76709-55-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1392627-0 (accessed 2026-10-28).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.