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L-Ascorbic acid

SIAL/95210 - 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
EC Number: 200-066-2
MDL Number: MFCD00064328
Linear Formula: C6H8O6
Product Type: Chemical

Catalog Number PKG Qty. Price Quantity
45-95210-50G 50 g
$45.80
1/EA
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45-95210-250G 250 g
$217.00
1/EA
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45-95210-1KG 1 kg
$857.00
1/EA
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anion traces chloride (Cl-): ≤50 mg/kg
  sulfate (SO42-): ≤20 mg/kg
assay ≥99.0% (RT)
biological source synthetic (Organic)
cation traces Ca: ≤25 mg/kg
  Cd: ≤5 mg/kg
  Co: ≤5 mg/kg
  Cr: ≤5 mg/kg
  Cu: ≤5 mg/kg
  Fe: ≤2 mg/kg
  heavy metals: ≤5 ppm (by ICP-OES)
  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
color white to off-white
form powder or crystals (possibly with chunks)
grade puriss. p.a.
ign. residue ≤0.1% (as SO4)
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
loss ≤0.1% loss on drying, 110 °C
mp 190-194 °C (dec.)
optical activity [α]20/D +21±0.5°, c = 10% in H2O
pH 2.2-2.5 (25 °C, 50 mg/mL in H2O)
Quality Level 200 
SMILES string OC([C@]([C@@H](O)CO)([H])O1)=C(O)C1=O
solubility H2O: 50 mg/mL at 20 °C, clear, almost colorless
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.
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.
Other Notes: Starting material for the synthesis of chiral building blocks
RIDADR NONH for all modes of transport
WGK Germany WGK 1
Purity ≥99.0% (RT)
mp 190-194 °C (dec.)
UNSPSC 12352100

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