Methyl 2-hydroxyisobutyrate

2-羟基异丁酸甲酯

Also known as: methyl 2-hydroxy-2-methylpropionate, methyl α-hydroxyisobutyrate, 2-hydroxyisobutyric acid methyl ester, 2-hydroxy-2-methylpropanoic acid methyl ester, methyl hydroxyisobutyrate, Methyl 2-methyllactate, alpha-Hydroxyisobutyric acid methyl ester, MFCD00004457

Methyl 2-hydroxyisobutyrate (CAS 2110-78-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H10O3 and a molecular weight of 118.131 g/mol. It is also known as methyl 2-hydroxy-2-methylpropionate, methyl α-hydroxyisobutyrate and 2-hydroxyisobutyric acid methyl ester. Key properties include a boiling point of 134.7±8.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 36.8±6.9 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
2110-78-3
Jingsj CID
J-1569994-3
Molecular Formula
C5H10O3
Chinese Name
2-羟基异丁酸甲酯
Molecular Weight
118.131 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point134.7±8.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point36.8±6.9 °C

GHS Safety & Compliance

FlammableSignal word: Warning

Frequently Asked Questions

What is the CAS number of Methyl 2-hydroxyisobutyrate?

The CAS number of Methyl 2-hydroxyisobutyrate is 2110-78-3.

What are the molecular formula and molecular weight of Methyl 2-hydroxyisobutyrate?

Methyl 2-hydroxyisobutyrate has molecular formula C5H10O3 and molecular weight 118.131 g/mol.

Is Methyl 2-hydroxyisobutyrate hazardous?

Methyl 2-hydroxyisobutyrate 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 2-hydroxyisobutyrate (CAS 2110-78-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1569994-3 (accessed 2026-10-22).

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