(S)-2-hydroxy-2-methylsuccinic acid

(S)-(+)-柠苹酸

Also known as: (S)-(+)-Citramalic acid, L-Citramalic acid, L-(+)-Citramalic acid, (S)-Citramalic acid, 2-methylmalic acid, 2-hydroxy-2-methylbutanedioic acid, (S)-(+)-2-methylmalic acid, L-(+)-2-methylmalic acid

(S)-2-hydroxy-2-methylsuccinic acid (CAS 6236-09-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H8O5 and a molecular weight of 148.11400 g/mol. It is also known as (S)-(+)-Citramalic acid, L-Citramalic acid and L-(+)-Citramalic acid. Key properties include a melting point of 109-111ºC(lit.), a boiling point of 295.2ºC at 760 mmHg, a density of 1.513g/cm3 and a flash point of 146.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
6236-09-5
Jingsj CID
J-25503-5
Molecular Formula
C5H8O5
Chinese Name
(S)-(+)-柠苹酸
Molecular Weight
148.11400 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point109-111ºC(lit.)
Boiling Point295.2ºC at 760 mmHg
Density1.513g/cm3
Flash Point146.6ºC

Frequently Asked Questions

What is the CAS number of (S)-2-hydroxy-2-methylsuccinic acid?

The CAS number of (S)-2-hydroxy-2-methylsuccinic acid is 6236-09-5.

What are the molecular formula and molecular weight of (S)-2-hydroxy-2-methylsuccinic acid?

(S)-2-hydroxy-2-methylsuccinic acid has molecular formula C5H8O5 and molecular weight 148.11400 g/mol.

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

Last updated:

How to cite: Jingsj. "(S)-2-hydroxy-2-methylsuccinic acid (CAS 6236-09-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-25503-5 (accessed 2026-10-23).

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