DL-Malic Acid
DL-Malic Acid is white crystalline powder,it is Odourless and no smell. It is easily dissolved in water and ethanol, slightly soluble in acetone. DL-Malic Acid is internationally recognized as a safe food additive ,it is usually used as acidity regulators,preservatives and PH regulator.
Application:
Used as an acidulate in cool drinks, frozen foods, processed foods; Used as color-keeper and antiseptic of juice and as emulsion stabilizer of egg yolk. DL-Malic acid can also be used as pharmaceutical intermediate, cosmetic, rinse, metal cleaner, buffering agent, retarder in textile industry, fluorescent whitening agent of polyester fiber.
SYNONYMS | L-Hydroxysuccinic acid;(S)-(-)-Hydroxysuccinic acid; L-(-)-Malic acid ; L-Malic acid; Malic acid |
CAS No. | 97-67-6 |
Molecular Formula | C4H6O5 |
Molecular Weight | 134.0874 |
Physical State | Crystalline powder |
Appearance | White to off-white |
Odor | Not available. |
Specific Rotation[α]D 20ºC | -1.6~ -2.6 |
Sulfate | 0.02% max |
Chloride | 0.004% max |
Heavy Metal | 10mg/kg max |
Arsenic | 2mg/kg max |
Lead | 2mg/kg max |
Fumaric acid | 0.5% max |
Maleic acid | 0.05% max |
Residu on ignition | 0.10% max |
Vapor Density | 1.641 g/cm3 |
Freezing/Melting Point | 101 - 103 deg C |
Solubility | soluble |
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