英文品名 | L-ASCORBIC ACID |
CAS 号: | 50-81-7 |
分子式: | C6H8O6 |
分子量: | 176.1 |
级别: | BP Grade |
储运条件: | +4 to +30 |
产品介绍: | Specification Appearance     White or Almost White Crystalline Powder or Colourless Crystals Assay     99.0% - 100.5% Melting Point     ~ 190 °C Identification     PASS pH     2.4 - 2.8 Solubility     PASS Specific Optical Rotation     +20.5° ~ +21.5° Loss on Drying     ≤ 0.4% Related Substance     PASS Copper     ≤ 5.0 ppm Iron     ≤ 2.0 ppm Arsenic     ≤ 3.0 ppm Lead     ≤ 2.0 ppm Mercury     ≤ 0.1 ppm Cadmium     ≤ 1.0 ppm Heavy Metals     ≤ 10 ppm Sulphated Ash     ≤ 0.1% Residual Solvents     PASS |
