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DL-Malic acid, EssentQ®

- Synonyms: DL-Hydroxysuccinic acid, DL-Malate
- C4H6O5
- M = 134.09 g/mol
- CAS [6915-15-7]
- EINECS-No.: 230-022-8
- Solub. in water: (20 ºC): ~ 530 g/l
- Melting point: 127-130 ºC
- Boiling point: 150 ºC (decomposes)
- Flash pt. 203 ºC
- Ignition temp.: 349 ºC
- GHS-signal word: Warning
- GHS-H sentences: H315 - H319
- GHS-P sentences: P280 - P264 - P305+P351+P338 - P321 - P332+P313 - P337+P313
- Tariff number: 2918 19 80 20
- Applications: in biochemistry, for pharmaceutical use, synthesis of organic products, in pharma industry.

SPECIFICATIONS
assay (as malic acid): 99,0 - 100,5 %
Identification IR: passes test
test for malate: passes test
melting point: 127 - 132ºC
water-insoluble substances: max. 0,1 %

fumaric acid: max. 1,0 %
maleic acid: max. 0,05 %
heavy metals (as Pb): max. 5 ppm
lead (Pb): max. 2 ppm
arsenic (As): max. 1 ppm
mercury (Hg): max. 0,1 ppm
chlorides (Cl): max. 40 ppm
readily oxidisable substances: passes test
residue on ignition: max. 0,1 %
water (K.F.): max. 0,3 %