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13433 Sigma-Aldrich

Sodium bicarbonate

puriss., meets analytical specification of Ph. Eur., BP, USP, FCC, E500, 99.0-100.5%, powder

Synonym: Sodium hydrogen carbonate

  • CAS Number 144-55-8

  • Linear Formula NaHCO3

  • Molecular Weight 84.01

  •  Beilstein Registry Number 4153970

  •  EC Number 205-633-8

  •  MDL number MFCD00003528

  •  eCl@ss 38020213

  •  PubChem Substance ID 329750171

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Properties

Related Categories Chemical Synthesis, Essential Chemicals, Inorganic Salts, Research Essentials, Salts,
InChI Key   UIIMBOGNXHQVGW-UHFFFAOYSA-M
grade   puriss.
assay   99.0-100.5%
form   powder
quality   meets analytical specification of Ph. Eur., BP, USP, FCC, E500
impurities   ammonia (NH3), in accordance
  organic volatile impurities, complies
  residual solvents, complies
  water-insoluble matter, complies
  ≤0.002% ammonium (NH4), complies
loss   ≤0.2% loss on drying (silica gel)
pH   ≤8.6 (20 °C, 5%)
pKa (25 °C)   (1) 6.37, (2) 10.25 (carbonic acid)
anion traces   carbonate (CO32-): in accordance
  chloride (Cl-): ≤100 mg/kg
  sulfate (SO42-): ≤100 mg/kg
cation traces   Al: ≤0.5 mg/kg
  As: ≤2 mg/kg
  Ca: ≤100 mg/kg
  Fe: ≤10 mg/kg
  Hg: ≤1 mg/kg
  K: ≤100 mg/kg
  Pb: ≤2 mg/kg
suitability   complies for appearance of solution

Description

Packaging

1, 5, 4×5 kg in poly bottle

Application

Sodium bicarbonate may be involved in the fabrication of silica based monolith columns which can be used in capillary electrochromatography. It can also be used to maintain the pH of the column for the separation of proteins via ion exchange displacement chromatography.

Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
1
RTECS 
VZ0950000

Documents

Certificate of Analysis

Certificate of Origin

Protocols & Articles
Peer-Reviewed Papers
15

References

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