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Key Documents

M0875

Sigma-Aldrich

DL-Malic acid

≥98% (capillary GC)

Synonym(s):

(±)-2-Hydroxysuccinic acid, DL-Hydroxybutanedioic acid

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About This Item

Linear Formula:
HO2CCH2CH(OH)CO2H
CAS Number:
Molecular Weight:
134.09
Beilstein:
1723539
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

vapor density

4.6 (vs air)

Quality Level

vapor pressure

<0.1 mmHg ( 20 °C)

Assay

≥98% (capillary GC)

autoignition temp.

644 °F

mp

131-133 °C (lit.)

solubility

H2O: 50 mg/mL, clear, colorless to faintly yellow

SMILES string

OC(CC(O)=O)C(O)=O

InChI

1S/C4H6O5/c5-2(4(8)9)1-3(6)7/h2,5H,1H2,(H,6,7)(H,8,9)

InChI key

BJEPYKJPYRNKOW-UHFFFAOYSA-N

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Application

DL-Malic acid can be used as a reactant to synthesize:
  • Hydroxy esters via esterification with alcohols.
  • Biodegradable polymers via thermal condensation with citric acid.

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Eye Irrit. 2

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

397.4 °F

Flash Point(C)

203 °C

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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