L(+)-Ascorbic acid 99%
Synonyms:
Ascorbic Acid
, Acidum ascorbicum
, (R)-5-((S)-1,2-Dihydroxyethyl)-3,4-dihydroxyfuran-2(5H)-one
, Vitamin C
, Antiscorbic vitamin
AC10502-5000
AC10502-1000
AC10502-0025
200000-054EA
79.2
USD
200000-054
200000-052
103508-876
L(+)-Ascorbic acid 99%
L(+)-Ascorbic acid
Formula:
C₆H₈O₆ MW: 176.13 g/mol Melting Pt: 190…192 °C (dec.) Storage Temperature: Ambient |
MDL Number:
MFCD00064328 CAS Number: 50-81-7 EINECS: 200-066-2 REACH: exempt Merck Index: 13,00837 |
Specification Test Results
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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