4-Methyloctanoic acid

4-甲基辛酸

Also known as: 4-Methylcaprylic acid, Hircinoic acid, FEMA 3575, 4-Methyl-n-octanoic acid

4-Methyloctanoic acid (CAS 54947-74-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H18O2 and a molecular weight of 158.238 g/mol. It is also known as 4-Methylcaprylic acid, Hircinoic acid and FEMA 3575. Key properties include a boiling point of 253.4±8.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 129.7±6.9 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
54947-74-9
Jingsj CID
J-25437-1
Molecular Formula
C9H18O2
Chinese Name
4-甲基辛酸
Molecular Weight
158.238 g/mol
Category
Organic Acids
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point253.4±8.0 °C at 760 mmHg
Density0.9±0.1 g/cm3
Flash Point129.7±6.9 °C

GHS Safety & Compliance

CorrosionSignal word: Danger

Frequently Asked Questions

What is the CAS number of 4-Methyloctanoic acid?

The CAS number of 4-Methyloctanoic acid is 54947-74-9.

What are the molecular formula and molecular weight of 4-Methyloctanoic acid?

4-Methyloctanoic acid has molecular formula C9H18O2 and molecular weight 158.238 g/mol.

Is 4-Methyloctanoic acid hazardous?

4-Methyloctanoic acid has GHS signal word Danger.

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

Last updated:

How to cite: Jingsj. "4-Methyloctanoic acid (CAS 54947-74-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-25437-1 (accessed 2026-10-25).

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