Customization: | Available |
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CAS No.: | 6915-15-7 |
Formula: | C4h6o5 |
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Malic acid Basic information | |
Product Name: | Malic acid |
CAS: | 6915-15-7 |
MF: | C4H6O5 |
MW: | 134.09 |
EINECS: | 230-022-8 |
Mol File: | 6915-15-7.mol |
Malic acid Chemical Properties | |
Melting point | 131-133 °C (lit.) |
alpha | [α]D20 -0.5~+0.5° (c=5, H2O) |
Boiling point | 167.16°C (rough estimate) |
density | 1.609 |
vapor density | 4.6 (vs air) |
vapor pressure | <0.1 mm Hg ( 20 °C) |
refractive index | 1.3920 (estimate) |
Fp | 203 °C |
storage temp. | 2-8°C |
solubility | methanol: 0.1 g/mL, clear, colorless |
pka | 3.4(at 25ºC) |
form | neat |
PH | 2.3 (10g/l, H2O, 20ºC) |
optical activity | [α]/D 0.10 to +0.10° |
Water Solubility | 558 g/L (20 ºC) |
Merck | 14,5707 |
BRN | 1723539 |
CAS DataBase Reference | 6915-15-7(CAS DataBase Reference) |
NIST Chemistry Reference | Hydroxybutanedioic acid(6915-15-7) |
EPA Substance Registry System | Malic acid (6915-15-7) |
Test Items
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Standard FCCIV
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Appearance
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white crystal or crystalline powder
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Identification
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conform to standard
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Specific rotation
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-0.10~ +0.10
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Assay(as C4H6O5)
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99.0%~100.5%
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Heavy metals (as Pb)
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10mg/kg max
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Residue on ignition
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0.1% max
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Fumaric acid
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1.0% max
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Maleic acid
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0.05% max
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Water-insoluble matter
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0.1% max
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Arsenic (as As2O3)
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4mg/kg max
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