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Methyl 3-hydroxy-2-methylenebutanoate

3-羟基-2-亚甲基丁酸甲酯

Also known as: Butanoic acid, 3-hydroxy-2-methylene-, methyl ester, Methyl 2-(1-hydroxyethyl)acrylate, (+/-)-Methyl 3-hydroxy-2-methylenebutanoate, Methyl 3-hydroxy-2-methylenebutyrate

Methyl 3-hydroxy-2-methylenebutanoate (CAS 18020-65-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H10O3 and a molecular weight of 130.14200 g/mol. It is also known as Butanoic acid, 3-hydroxy-2-methylene-, methyl ester, Methyl 2-(1-hydroxyethyl)acrylate and (+/-)-Methyl 3-hydroxy-2-methylenebutanoate. Key properties include a boiling point of 91ºC20 mm Hg(lit.), a density of 1.071 g/mL at 25ºC(lit.) and a flash point of 110 °F. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
18020-65-0
Jingsj CID
J-1022813-7
Molecular Formula
C6H10O3
Chinese Name
3-羟基-2-亚甲基丁酸甲酯
Molecular Weight
130.14200 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point91ºC20 mm Hg(lit.)
Density1.071 g/mL at 25ºC(lit.)
Flash Point110 °F

GHS Safety & Compliance

FlammableSignal word: Warning

Frequently Asked Questions

What is the CAS number of Methyl 3-hydroxy-2-methylenebutanoate?

The CAS number of Methyl 3-hydroxy-2-methylenebutanoate is 18020-65-0.

What are the molecular formula and molecular weight of Methyl 3-hydroxy-2-methylenebutanoate?

Methyl 3-hydroxy-2-methylenebutanoate has molecular formula C6H10O3 and molecular weight 130.14200 g/mol.

Is Methyl 3-hydroxy-2-methylenebutanoate hazardous?

Methyl 3-hydroxy-2-methylenebutanoate has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "Methyl 3-hydroxy-2-methylenebutanoate (CAS 18020-65-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1022813-7 (accessed 2026-10-25).

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