9-Octadecynoic acid

十八-9-炔酸

Also known as: Stearolic acid, Octadec-9-ynoic acid, 9-stearolic acid, 9-ODYA, octadec-9-ynoic acid

CAS No.
506-24-1
Jingsj CID
J-24835-2
Molecular Formula
C18H32O2
Chinese Name
十八-9-炔酸
Molecular Weight
280.44500 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point46-47ºC
Boiling Point405.2ºC at 760 mmHg
Density0.923 g/cm3
Flash Point196.3ºC

Frequently Asked Questions

What is the CAS number of 9-Octadecynoic acid?

506-24-1

What are the molecular formula and molecular weight of 9-Octadecynoic acid?

C18H32O2, molecular weight 280.44500 g/mol

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