L-Ascorbic acid
SIAL/33034 - puriss. p.a., ACS reagent, reag. ISO, Ph. Eur., 99.7-100.5% (oxidimetric)
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
| agency | Ph. Eur. |
| reag. ISO | |
| USP/NF | |
| anion traces | chloride (Cl-): ≤50 mg/kg |
| sulfate (SO42-): ≤20 mg/kg | |
| application(s) | cell analysis |
| assay | 99.7-100.5% (oxidimetric) |
| biological source | synthetic |
| cation traces | As: ≤1 mg/kg |
| Cu: ≤5 mg/kg | |
| Fe: ≤2 mg/kg | |
| Pb: ≤5 mg/kg | |
| Zn: ≤10 mg/kg | |
| form | solid |
| grade | ACS reagent |
| puriss. p.a. | |
| ign. residue | ≤0.05% (as SO4) |
| impurities | related substances, in accordance (HPLC) |
| ≤0.001% heavy metals (by ICP-OES) | |
| InChI | 1S/C6H8O6/c7-1-2(8)5-3(9) |
| InChI key | CIWBSHSKHKDKBQ-JLAZNSOCSA |
| loss | ≤0.1% loss on drying, 105 °C |
| mp | 190-194 °C (dec.) |
| optical activity | [α]20/D +20.5 to +21.5°, c = 10% in H2O |
| pH | 2.1-2.6 (20 °C, 5%) |
| Quality Level | 200  |
| SMILES string | OC([C@]([C@@H](O)CO)([H]) |
| solubility | water: soluble 176 g/L at 20 °C |
| suitability | complies for appearance of solution |
| passes test for identity (IR) | |
| technique(s) | IR spectroscopy: suitable |
| Application: | |
| General description: |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 1 |
| Purity | 99.7-100.5% (oxidimetric) |
| mp | 190-194 °C (dec.) |
| UNSPSC | 12352100 |