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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 24890106

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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 to off-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

Suggested Laboratory Gloves


Laboratory GlovesThis substance has been tested against several types of hand protection for CE compliance. Click below to find the recommended gloves for handling this product.




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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