Customization: | Available |
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CAS No.: | 50-81-7 |
Formula: | C6h8o6 |
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Characters | White or almost white,crystalline powder or colourless crystals |
Identification | Corresponds |
Melting point | 189ºC~193ºC |
PH (5%,W/V) | 2.1~2.6 |
PH (2%,W/V) | 2.4~2.8 |
Specific optical rotation | +20.5°~+21.5° |
Appearance of solution | Solution S is clear and not more intensely coloured than reference solution BY7 |
Heavy metals | <=10 ppm |
Assay | 99.0%~100.5% |
Copper | <= 5ppm |
Iron | <= 2ppm |
Mercury | <= 1ppm |
Arsenic | <=3ppm |
Lead | <=2ppm |
Oxalic acid (impurity E) | <=0.2% |
Loss on drying | <=0.4% |
Sulphated ash | <=0.1% |
Impurity C | <=0.15% |
Impurity D | <=0.15% |
Unspecified impurities | <=0.10% |
Total | <=0.2% |
Methanol | <=3000ppm |
TAMC | 103 cfu/g |
TYMC | 102 cfu/g |
E.coli | Absence |
The flavor of ascorbic acid shouldn't be overlooked. Like any acid, it provides a nice tart flavor that enhances many food products. Candies, jams, jellies, and fruit juices often benefit from this burst of acidity that gives the consumer the distinct impression of fresh fruit.