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
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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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