L-抗坏血酸 99%
3645, Plastic bottle, 500 g
: 维生素 C, 抗坏血病因子, L-维生素 C
- :50-81-7
- :C₆H₈O₆
- :MFCD00064328
- :176.13 g/mol
- :13,00837
- :553 °C (1013 hPa)
- :190…192 °C (dec.)
- :1,694 g/cm³ (20 °C)
- :Ambient
- :200-066-2
- :exempt
- 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
- 包装类型:Plastic bottle
- 包装规格:500 g
- 顺序:3645