L-Ascorbic acid
SIAL/95210 - puriss. p.a., ≥99.0% (RT)
Synonym: L-Threoascorbic acid; Antiscorbutic factor; Vitamin C
CAS Number: 50-81-7
Empirical Formula (Hill Notation): C6H8O6
Molecular Weight: 176.12
EC Number: 200-066-2
MDL Number: MFCD00064328
Linear Formula: C6H8O6
Product Type: Chemical
anion traces | chloride (Cl-): ≤50 mg/kg |
sulfate (SO42-): ≤20 mg/kg | |
assay | ≥99.0% (RT) |
biological source | synthetic (Organic) |
cation traces | Ca: ≤25 mg/kg |
Cd: ≤5 mg/kg | |
Co: ≤5 mg/kg | |
Cr: ≤5 mg/kg | |
Cu: ≤5 mg/kg | |
Fe: ≤2 mg/kg | |
heavy metals: ≤5 ppm (by ICP-OES) | |
K: ≤50 mg/kg | |
Mg: ≤5 mg/kg | |
Mn: ≤5 mg/kg | |
Na: ≤50 mg/kg | |
Ni: ≤5 mg/kg | |
Pb: ≤5 mg/kg | |
Zn: ≤5 mg/kg | |
color | white to off-white |
form | powder or crystals (possibly with chunks) |
grade | puriss. p.a. |
ign. residue | ≤0.1% (as SO4) |
InChI | 1S/C6H8O6/c7-1-2(8)5-3(9) |
InChI key | CIWBSHSKHKDKBQ-JLAZNSOCSA |
loss | ≤0.1% loss on drying, 110 °C |
mp | 190-194 °C (dec.) |
optical activity | [α]20/D +21±0.5°, c = 10% in H2O |
pH | 2.2-2.5 (25 °C, 50 mg/mL in H2O) |
Quality Level | 200 |
SMILES string | OC([C@]([C@@H](O)CO)([H]) |
solubility | H2O: 50 mg/mL at 20 °C, clear, almost colorless |
Application: | |
General description: | |
Other Notes: | Starting material for the synthesis of chiral building blocks |
RIDADR | NONH for all modes of transport |
WGK Germany | WGK 1 |
Purity | ≥99.0% (RT) |
mp | 190-194 °C (dec.) |
UNSPSC | 12352100 |