L-Ascorbic acid

• Catalog No.: 33034
• CAS Number: 50-81-7
• M. F.: C6H8O6
• M. W.: 176.12412
• Purity: 99.7-100.5% (oxidimetric)

SYNONYMS

• Title: L-抗坏血酸
• IUPAC name: (5R)-5-[(1S)-1,2-dihydroxyethyl]-3,4-dihydroxy-2,5-dihydrofuran-2-one
• IUPAC Traditional name: vitamin C
• Synonyms: Vitamin C; L-维生素 C; 维生素 C; 抗坏血病因子; L-Threoascorbic acid; Antiscorbutic factor

DATABASE IDS

• MDL Number: MFCD00064328
• Beilstein Number: 84272
• CAS Number: 50-81-7
• EC Number: 200-066-2
• PubChem SID: 24859847

PROPERTIES

• RTECS: CI7650000
• German water hazard class: 1
• Personal Protective Equipment: Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
• Antion Traces: chloride (Cl-): ≤50 mg/kg
• Antion Traces: sulfate (SO42-): ≤20 mg/kg
• Cation Traces: As: ≤1 mg/kg
• Cation Traces: Cu: ≤5 mg/kg
• Cation Traces: Fe: ≤2 mg/kg
• Cation Traces: Pb: ≤5 mg/kg
• Cation Traces: Zn: ≤10 mg/kg
• Empirical Formula (Hill Notation): C6H8O6
• Grade: ACS reagent, reag. ISO, reag. Ph. Eur.
• Grade: puriss. p.a.
• Ignition Residue: ≤0.05% (as SO4)
• Impurities: related substances, in accordance (HPLC)
• Impurities: ≤0.001% heavy metals (as Pb)
• Loss on Drying: ≤0.1% loss on drying, 105 °C
• Purity: 99.7-100.5% (oxidimetric)
• Suitability: complies for appearance of solution
• Suitability: passes test for identity (IR)
• Gene Information: human ... SLC23A2(9962)
• Melting Point: 190-194 °C (dec.)
• Optical Rotation: [α]20/D +20.5 to +21.5°, c = 10% in H2O
• pH: 2.1-2.6 (20 °C, 5%)