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95210 Sigma-Aldrich

L-Ascorbic acid

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

  •  Beilstein Registry Number 84272

  •  EC Number 200-066-2

  •  MDL number MFCD00064328

  •  PubChem Substance ID 57653660

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Properties

Related Categories A-B, Puriss p.a., Acacia, Allium cepa (Onion), Allium sativum (Garlic), Aloe Vera,
InChI Key   CIWBSHSKHKDKBQ-JLAZNSOCSA-N
grade   puriss. p.a.
assay   ≥99.0% (RT)
optical activity   [α]20/D +21±0.5°, c = 10% in H2O
ign. residue   ≤0.1% (as SO4)
loss   ≤0.1% loss on drying, 110 °C
color   white
pH   2.2-2.5 (25 °C, 50 mg/mL in H2O)
mp   190-194 °C (dec.)
solubility   H2O: soluble50 mg/mL at 20 °C, clear, almost colorless
anion traces   chloride (Cl-): ≤50 mg/kg
  sulfate (SO42-): ≤20 mg/kg
cation traces   Ca: ≤10 mg/kg
  Cd: ≤5 mg/kg
  Co: ≤5 mg/kg
  Cr: ≤5 mg/kg
  Cu: ≤5 mg/kg
  Fe: ≤2 mg/kg
  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
  heavy metals: ≤5 ppm (by ICP-OES)
Gene Information   human ... SLC23A2(9962)

Description

Other Notes

Starting material for the synthesis of chiral building blocks

Price and Availability


Laboratory Gloves

All labs need water
Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
1
RTECS 
CI7650000
Protocols & Articles
Peer-Reviewed Papers
15

References

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