Methylmalonic acid, 99%

About Methylmalonic acid, 99%

Methylmalonic acid is a carboxylic acid carrying the CAS registry number 516-05-2 with a typical assay of 99%. With the molecular formula C4H6O4, it has a molar mass of 118.09 g/mol. The IUPAC name is 2-methylpropanedioic acid. It is also known as 2-Methylmalonic acid or Isosuccinic acid.

The material typically appears as white to off-white powder or crystals. Reported physical data include a melting point of 128-130 °C. Store in a tightly closed container in a cool, dry and well-ventilated place. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

Key uses span catalysis and organic synthesis. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

We offer Methylmalonic acid in 5 g, 25 g, 100 g and 500 g packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Catalysis
Organic synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Methylmalonic acid, 99%
Catalogue No.	VQ-008536
CAS Number	516-05-2
IUPAC name	2-methylpropanedioic acid
Molecular formula	C₄H₆O₄
Molecular weight	118.09 g/mol
Exact mass	118.0266
Purity / assay	99%
HSN code	29332990
InChIKey	ZIYVHBGGAOATLY-UHFFFAOYSA-N
SMILES	CC(C(=O)O)C(=O)O
PubChem CID	487

Physical properties
Physical form	Crystalline
Appearance	White to off-white powder or crystals
Melting point	128-130 °C
LogP (XLogP3)	0.1
H-bond donors / acceptors	2 / 4
TPSA	74.6 Å²
Synonyms	2-Methylmalonic acid, Isosuccinic acid, methylmalonate, Propanedioic acid, methyl-, 1,1-Ethanedicarboxylic acid, methylpropanedioic acid, Malonic acid, methyl-, 2-methyl-propanedioic acid, Acid, Methylmalonic, methylpropanedioate, alpha-methylmalonic acid

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Methylmalonic acid, 99%?

The CAS Registry Number of Methylmalonic acid, 99% is 516-05-2. It is also known as 2-Methylmalonic acid, Isosuccinic acid, methylmalonate.

What is the molecular formula and molecular weight of Methylmalonic acid, 99%?

Methylmalonic acid, 99% has the molecular formula C4H6O4 and a molecular weight of 118.09 g/mol. Its IUPAC name is 2-methylpropanedioic acid.

Which grade and pack sizes of Methylmalonic acid, 99% can I order?

We supply Methylmalonic acid, 99% in (99%) grade, in 5 g, 25 g, 100 g, 500 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Methylmalonic acid, 99%?

Yes. Every lot of Methylmalonic acid, 99% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Methylmalonic acid, 99% be shipped internationally?

Yes. Methylmalonic acid, 99% is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.