5-Hexynoic acid

5-己炔酸

Also known as: hex-5-ynoic acid, 4-Ethynylbutyric acid, MFCD00066346

CAS No.
53293-00-8
Jingsj CID
J-20028-2
Molecular Formula
C6H8O2
Chinese Name
5-己炔酸
Molecular Weight
112.127 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point220.6±23.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point99.6±17.3 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 5-Hexynoic acid?

53293-00-8

What are the molecular formula and molecular weight of 5-Hexynoic acid?

C6H8O2, molecular weight 112.127 g/mol

Is 5-Hexynoic acid hazardous?

Warning

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026