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Basic Information

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4.5(4)

Trade Type

Sell

Product Name

Pharma Grade Ascorbic acid(Vitamin C)

Specifications

  • 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
  • Packaging Details: 25kg carton box ,1 FCL=20MT
  • Delivery Detail: 2-3 weeks after the deposit
  • Characteristics: White or almost white crystalline powder
  • Identification: Positive reaction
  • Melting point: About 190°C
  • pH: 2.1-2.6
  • Clarity of solution: Clear
  • Color of solution: ≤BY7
  • Copper: ≤5ppm
  • Heavy Metals: ≤10ppm
  • Iron: ≤2ppm
  • Lead: ≤2ppm
  • Arsenic: ≤3ppm
  • Oxalic acid: ≤0.2%
  • Sulphated Ashes: ≤0.1%
  • Specific optical rotation: +20.5°~ +21.5°
  • Assay: 99.0%-100.5%
  • Organic volatile impurities: Pass
  • Residual Solvents: Methanol: NMT 3000ppm

Documents

CE
ISO 90001
ISO 13485
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