L-抗坏血酸 99%
供应商: Thermo Fisher Scientific
Synonyms:
维生素 C, 抗坏血病因子, L-维生素 C
105021000
105025000
ACRO105021000EA
0
CNY
ACRO105021000
ACRO105025000
L-抗坏血酸 99%
L-抗坏血酸
分子式:
C₆H₈O₆ 分子量: 176.13 g/mol 沸点: 553 溶点: 190…192 °C (dec.) 存储条件: Ambient |
MDL编号:
MFCD00064328 CAS号: 50-81-7 EINECS: 200-066-2 REACH: exempt Merck Index: 13,00837 |
|
产品技术规格
Appearance | White to off-white Crystalline powder or crystals |
Infrared spectrum | Conforms |
Titration Iodimetric | ≥98.5 % |
Sulfated ash | ≤0.1 % |
Solubility | (5 % in water) Passes test |
pH | 2.1 to 2.6 (5 % in water) |
Specific optical rotation | +20.5° to +21.5° (20°C, 589 nm) (c=10, H2O) |
Copper (Cu) | ≤5 ppm |
Iron (Fe) | ≤2 ppm |
Heavy metals (as Pb) | ≤10 ppm |
Impurity | ≤0.2 % Oxalic acid |
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