D-(+)-Malic acid, ≥99%

About D-(+)-Malic acid, ≥99%

D-(+)-Malic acid is a chiral building block carrying the CAS registry number 636-61-3 with a typical assay of 99%. The compound has the formula C4H6O5, corresponding to a molecular weight of 134.09 g/mol. Systematically, it is named (2R)-2-hydroxybutanedioic acid. It is also known as (R)-(+)-2-Hydroxysuccinic acid or D-Hydroxybutanedioic acid.

It is supplied as colourless to white powder or chunks. Literature values give a melting point of 101-105 °C. Store in a tightly closed container in a cool, dry and well-ventilated place. It carries the GHS signal word “Danger” with 3 hazard statements. Review the Safety Data Sheet before use.

Typical applications include organic synthesis and API synthesis. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 1 g, 5 g, 25 g and 100 g, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Organic synthesis
API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	D-(+)-Malic acid, ≥99%
Catalogue No.	VQ-011277
CAS Number	636-61-3
IUPAC name	(2R)-2-hydroxybutanedioic acid
Molecular formula	C₄H₆O₅
Molecular weight	134.09 g/mol
Exact mass	134.0215
Purity / assay	99%
HSN code	29221990
InChIKey	BJEPYKJPYRNKOW-UWTATZPHSA-N
SMILES	C([C@H](C(=O)O)O)C(=O)O
PubChem CID	92824

Physical properties
Physical form	Powder
Appearance	Colourless to white powder or chunks
Melting point	101-105 °C
LogP (XLogP3)	-1.3
H-bond donors / acceptors	3 / 5
TPSA	94.8 Å²
Synonyms	(R)-(+)-2-Hydroxysuccinic acid, D-Hydroxybutanedioic acid, D-malic acid, (R)-malic acid, Malic acid, D-, Malic acid D-(+)-form, (+)-D-malic acid, L(+)-Malic acid, Butanedioic acid, hydroxy-, (2R)-, (R)-2-hydroxybutanedioic acid, (r)-(+)-hydroxysuccinic acid, Malic acid, L(+)-

Safety & hazard information (GHS)

Corrosive

Harmful / irritant

Signal word: Danger

Hazard statements

H315Causes skin irritation
H318Causes serious eye damage
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P354 + P338, P317, P319, P321, P332 + 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 D-(+)-Malic acid, ≥99%?

The CAS Registry Number of D-(+)-Malic acid, ≥99% is 636-61-3. It is also known as (R)-(+)-2-Hydroxysuccinic acid, D-Hydroxybutanedioic acid, D-malic acid.

What is the molecular formula and molecular weight of D-(+)-Malic acid, ≥99%?

D-(+)-Malic acid, ≥99% has the molecular formula C4H6O5 and a molecular weight of 134.09 g/mol. Its IUPAC name is (2R)-2-hydroxybutanedioic acid.

Which grade and pack sizes of D-(+)-Malic acid, ≥99% can I order?

We supply D-(+)-Malic acid, ≥99% in (99%) grade, in 1 g, 5 g, 25 g, 100 g, 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with D-(+)-Malic acid, ≥99%?

Yes. Every lot of D-(+)-Malic 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 D-(+)-Malic acid, ≥99% be shipped internationally?

Yes. D-(+)-Malic 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.