Vitamin C/Ascorbic acid | Pharmacountry产品名称
Vitamin C/Ascorbic acid
规格参数
- IUPAC Name: (2R)-2-[(1S)-1,2-dihydroxyethyl]-3,4-dihydroxy-2H-furan-5-one
- CAS Number: 50-81-7
- Chemical Formula: C6H8O6
- Molecular Weight: 176.12
- EC Number: 200-066-2
- Contents: Standard
- Characteristics: White or almost White crystals Crystalline Powder
- Identification: Positive Reaction
- Melting point: About 190°C
- pH: 2.1-2.6
价格:
$2.5 – $2.5 每 Kilogram
Clarity of solution: ClearColour Of Solution: ≤BY7Copper: ≤5ppmHeavy Metals: ≤10ppmLead: <2mg/kgArsenic: ≤3ppmCadmium(Cd): <1mg/kgOxalic acid: ≤0.2%Iron: ≤2ppmLoss of Drying: ≤0.4%Specific optical rotation: +20.5°–+21.5°Organic volatile impurities: PassAssay: 99.0%-100.5%Residual Solvents: Methanol:≤3000 ppmTotal Plate Count: ≤1000 cfu/gEscherichia coli: Negative in 1g
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