L(+)-Ascorbic acid 99%
Plastic bottle, 500 g
Supplier: Thermo Fisher Scientific
L(+)-Ascorbic acid 99%
Catalog # ACRO105025000
Supplier: Thermo Fisher Scientific
CAS Number: 50-81-7
Przejdź do:
Product Details & Documents
Synonimy: Ascorbic Acid, L-Ascorbic acid, (R)-5-((S)-1,2-Dihydroxyethyl)-3,4-dihydroxyfuran-2(5H)-one, Acidum ascorbicum
- Numer CAS:50-81-7
- Wzór:C₆H₈O₆
- Numer MDL:MFCD00064328
- Molecular Weight:176.13 g/mol
- Indeks Mercka:13,00837
- Temperatura wrzenia:553 °C (1013 hPa)
- Temperatura topnienia:190…192 °C (dec.)
- Gęstość:1,694 g/cm³ (20 °C)
- Temperatura przechowywania:Ambient
- EINECS:200-066-2
- ZASIĘG:exempt
Documents
Dane techniczne
Wyniki testu specyfikacji
- 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
Dane techniczne
- Pack type:Plastic bottle
- Pk:500 g
Dane techniczne
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