Butanal, 3-methoxy-

3-甲氧基丁醛

Also known as: 3-Methoxybutanal, 3-Methoxybutyraldehyde, β-Methoxybutyraldehyde, NSC 71979, UNII-0T9P2X7UPG, Aldol ether, Butyraldehyde, 3-methoxy-, NSC-71979

Butanal, 3-methoxy- (CAS 5281-76-5) 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 102.13200 g/mol. It is also known as 3-Methoxybutanal, 3-Methoxybutyraldehyde and β-Methoxybutyraldehyde. Key properties include a boiling point of 127.8ºC at 760mmHg, a density of 0.887g/cm3 and a flash point of 26.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
5281-76-5
Jingsj CID
J-1002374-7
Molecular Formula
C5H10O2
Chinese Name
3-甲氧基丁醛
Molecular Weight
102.13200 g/mol
Category
Organic Compounds
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point127.8ºC at 760mmHg
Density0.887g/cm3
Flash Point26.2ºC

Frequently Asked Questions

What is the CAS number of Butanal, 3-methoxy-?

The CAS number of Butanal, 3-methoxy- is 5281-76-5.

What are the molecular formula and molecular weight of Butanal, 3-methoxy-?

Butanal, 3-methoxy- has molecular formula C5H10O2 and molecular weight 102.13200 g/mol.

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

Last updated:

How to cite: Jingsj. "Butanal, 3-methoxy- (CAS 5281-76-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1002374-7 (accessed 2026-10-22).

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