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| CAS No.: | 617-48-1 |
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| Formula: | C4h6o5 |
| EINECS: | 210-514-9 |
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Product Properties
In the food industry, it is used as a sour agent, color retention agent, preservative, and emulsification stabilizer for egg yolk, etc., and also used in pharmaceuticals. It is generally believed that L-malic acid has important physiological functions, but half of the D-type in DL-malic acid is physiologically ineffective.
Specification
| Item | Standard |
| Appearance | White crystalline powder |
| Assay(on dry basis) | 99.0 - 100.5 % |
| Specific Rotation | -0.1 - +0.1° |
| Water Insolubilities | ≤ 0.1 % |
| Loss on drying | ≤ 0.50 % |
| Chloride(Cl) | ≤ 0.01 % |
| Sulfate(SO4) | ≤ 0.1 % |
| Fumaric Acid | ≤ 1 % |
| Maleic Acid | ≤ 0.05 % |
| Heavy metals(Pb) | ≤10 mg/kg |
| Arsenic (As) | ≤ 3 mg/kg |
| Melting Point | 127.0-132.0 ºC |
| Usage | Color retention agent, Preservative, Acidity Regulators |
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