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3-formylbut-2-enyl acetate

3-甲酰基丁-2-烯基乙酸酯

Also known as: 1-Acetoxy-3-methylbut-2-en-4-al, 2-Butenal, 4-(acetyloxy)-2-methyl-, 3-methyl-4-oxobut-2-enyl acetate, 4-Acetoxy-2-methyl-2-butenal, 4-Acetoxy-2-methyl-crotonaldehyde, 4-Acetyloxy-2-methyl-2-butenal, Acetic acid 3-formyl-2-butenyl ester, EINECS 238-989-8, Vitamin A Impurity 69 (Mixture of E/Z-isomers)

3-formylbut-2-enyl acetate (CAS 14918-80-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H10O3 and a molecular weight of 142.15200 g/mol. It is also known as 1-Acetoxy-3-methylbut-2-en-4-al, 2-Butenal, 4-(acetyloxy)-2-methyl- and 3-methyl-4-oxobut-2-enyl acetate. Key properties include a boiling point of 232.6ºC at 760mmHg, a density of 1.027g/cm3 and a flash point of 96.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
14918-80-0
Jingsj CID
J-1436225-3
Molecular Formula
C7H10O3
Chinese Name
3-甲酰基丁-2-烯基乙酸酯
Molecular Weight
142.15200 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point232.6ºC at 760mmHg
Density1.027g/cm3
Flash Point96.5ºC

Frequently Asked Questions

What is the CAS number of 3-formylbut-2-enyl acetate?

The CAS number of 3-formylbut-2-enyl acetate is 14918-80-0.

What are the molecular formula and molecular weight of 3-formylbut-2-enyl acetate?

3-formylbut-2-enyl acetate has molecular formula C7H10O3 and molecular weight 142.15200 g/mol.

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

Last updated:

How to cite: Jingsj. "3-formylbut-2-enyl acetate (CAS 14918-80-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1436225-3 (accessed 2026-10-22).

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