L(+)-Ascorbic acid 99%

Synonyms: Ascorbic AcidAcidum ascorbicum(R)-5-((S)-1,2-Dihydroxyethyl)-3,4-dihydroxyfuran-2(5H)-oneVitamin CAntiscorbic 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
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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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