4-Methoxybutanal

4-甲氧基丁醛

Also known as: 4-methoxybutanal, Butanal, 4-methoxy-, 4-methoxy butyraldehyde, 4-Methoxy-butyraldehyd, MFCD08695144

4-Methoxybutanal (CAS 21071-24-9) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C5H10O2 and a molecular weight of 102.132 g/mol. It is also known as 4-methoxybutanal, Butanal, 4-methoxy- and 4-methoxy butyraldehyde. Key properties include a boiling point of 142.3±23.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 38.4±16.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
21071-24-9
Jingsj CID
J-1516029-4
Molecular Formula
C5H10O2
Chinese Name
4-甲氧基丁醛
Molecular Weight
102.132 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point142.3±23.0 °C at 760 mmHg
Density0.9±0.1 g/cm3
Flash Point38.4±16.2 °C

Frequently Asked Questions

What is the CAS number of 4-Methoxybutanal?

The CAS number of 4-Methoxybutanal is 21071-24-9.

What are the molecular formula and molecular weight of 4-Methoxybutanal?

4-Methoxybutanal has molecular formula C5H10O2 and molecular weight 102.132 g/mol.

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

Last updated:

How to cite: Jingsj. "4-Methoxybutanal (CAS 21071-24-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1516029-4 (accessed 2026-10-25).

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