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795437 Sigma-Aldrich

L-Ascorbic acid

anhydrous, free-flowing, Redi-Dri, ACS reagent, ≥99%

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 329768483

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Properties

grade   ACS reagent
  Redi-Dri
  anhydrous
InChI Key   CIWBSHSKHKDKBQ-JLAZNSOCSA-N
assay   ≥99%
optical activity   [α]25/D +20.5 to +21.5° in water
quality   free-flowing
ign. residue   <0.1%
color   white
pH   1.0-2.5 (25 °C, 176 g/L in water)
mp   190-194 °C (dec.)
solubility   water: soluble 176 g/L at 20 °C
cation traces   Fe: ≤0.001%
  heavy metals: ≤0.002% (by ICP-OES)
Gene Information   human ... SLC23A2(9962)

Description

Packaging

1 kg in poly bottle

100, 500 g in poly bottle

Legal Information

Redi-Dri is a trademark of Sigma-Aldrich Co. LLC

Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
1

Documents

Certificate of Analysis

Certificate of Origin

Protocols & Articles

Articles

Enjoy the Free-flowing Experience - Redi-Dri™

What is the most frustrating moment you have experienced in the lab? Inadequate chemicals for the reaction? Or rock-solid material as you open your bottle when you only need a small amount? If you ha...
Keywords: Environmental

Protocols

Redi-Dri™ FAQs

A time study was performed to test the Red-Dri Packaging System against standard packaging. Equivalent units of both packaging systems containing potassium chloride (KCl) were introduced to a control...
Keywords: Absorption

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