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D(+)-Malic acid 636-61-3

Butanedioic acid, hydroxy-, (R)-;hydroxy-,(R)-Butanedioicacid;l(+)-malicaci;(R)-(+)-MALIC ACID;(R)-MALIC ACID;Malic Acid Impurity 3;(2R)-2-hydroxybutanedioate;(+)-D-MALIC ACID

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  • 636-61-3

  • bosschemical

  • 636-61-3

D(+)-Malic acid Basic information
Product Name: D(+)-Malic acid
CAS: 636-61-3
MF: C4H6O5
MW: 134.09
EINECS: 211-262-2
Mol File: 636-61-3.mol
D(+)-Malic acid Chemical Properties
Melting point 98-102 °C(lit.)
alpha 2.2 º (c=3, H2O)
Boiling point 167.16°C (rough estimate)
density 1.6
refractive index 6.5 ° (C=10, Acetone)
storage temp. Store below +30°C.
solubility Soluble in methanol, ethanol, acetone, ether.
pka 3.61±0.23(Predicted)
form Crystalline Powder
color White
PH 2.2 (10g/l, H2O, 20℃)
Water Solubility soluble
Merck 145707
BRN 1723540
Items Specifications Results
Appearance White crystals or crystalline powder Conforms
Specific rotation [α]D20 +1.6°~+2.6° +1.8°
Chloride(Cl) ≤0.01% <0.01%
Sulfate(SO4) ≤0.04% <0.04%
Heavy metals(Pb) ≤20ppm <20ppm
Arsenic (As2O3) ≤2ppm <2ppm
Residue on ignition ≤0.1% 0.0005
Fumaric acid ≤0.50% 0.002
Maleic acid ≤0.050% 0.0001
L-Malic acid ≤0.50% 0.0028
Assay ≥98.5% 0.991



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