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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/REAXYS Number 84272

  •  EC Number 200-066-2

  •  MDL number MFCD00064328

  •  PubChem Substance ID 57653660

  •  NACRES NA.21

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Properties

Related Categories A-B, Puriss p.a., Acacia, Allium cepa (Onion), Allium sativum (Garlic), Aloe Vera,
Quality Level   200
biological source   synthetic (Organic)
grade   puriss. p.a.
assay   ≥99.0% (RT)
form   powder or crystals (possibly with chunks)
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: 50 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)
SMILES string   OC([C@]([C@@H](O)CO)([H])O1)=C(O)C1=O
InChI   1S/C6H8O6/c7-1-2(8)5-3(9)4(10)6(11)12-5/h2,5,7-10H,1H2/t2-,5+/m0/s1
InChI key   CIWBSHSKHKDKBQ-JLAZNSOCSA-N
Gene Information   human ... SLC23A2(9962)

Description

General description

L-Ascorbic acid or vitamin C is a water-soluble vitamin found in various foodstuffs. Benefits of vitamin C may include protection against immune system deficiencies, cardiovascular disease, hyperpigmentation, skin protection, anti-aging, iron absorption, and red blood cell production. It is also useful in the biosynthesis of collagen, L-carnitine, and neurotransmitters.

Application

L-Ascorbic acid can be used as a reducing agent for the preparation of reduced graphene oxide (rGO). It does not eliminate the oxygen functional group on the surface of rGO that can be advantageous for the synthesis of metal nanoparticles.

Other Notes

Starting material for the synthesis of chiral building blocks

Safety & Documentation

Safety Information

Personal Protective Equipment 
RIDADR 
NONH for all modes of transport
WGK Germany 
WGK 1
RTECS 
CI7650000
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable

Documents

Certificate of Analysis (COA)

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Protocols & Articles
Peer-Reviewed Papers
15

References

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