L (+)-Ascorbinsyre 99%
Plastic bottle, 2,5 kg
Leverandør: Thermo Fisher Scientific
L (+)-Ascorbinsyre 99%
Katalog # ACRO105020025
Leverandør: Thermo Fisher Scientific
CAS nummer: 50-81-7
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Product Details & Documents
Synonymer: Ascorbic Acid, L-Ascorbic acid, (R)-5-((S)-1,2-Dihydroxyethyl)-3,4-dihydroxyfuran-2(5H)-one, Acidum ascorbicum
- CAS nummer:50-81-7
- Formel:C₆H₈O₆
- MDL nummer:MFCD00064328
- Molecular Weight:176.13 g/mol
- Merck Index:13,00837
- Kogende Pt:553 °C (1013 hPa)
- Smeltende Pt:190…192 °C (dec.)
- Tæthed:1,694 g/cm³ (20 °C)
- Opbevaringstemperatur:Stue temperatur
- EINECS:200-066-2
- NÅ:exempt
Specifikationer
Specifikationstestresultater
- 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
Specifikationer
- Pakning:Plastic bottle
- Pakn:2,5 kg
Specifikationer
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