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13418 Sigma-Aldrich

Sodium carbonate

puriss., meets analytical specification of Ph. Eur., BP, NF, FCC, E500, anhydrous, 99.5-100.5% (calc. to the dried substance)

Synonym: Calcined soda, Carbonic acid disodium salt, Soda ash

  • CAS Number 497-19-8

  • Linear Formula Na2CO3

  • Molecular Weight 105.99

  •  Beilstein/REAXYS Number 4154566

  •  EC Number 207-838-8

  •  PubChem Substance ID 24848136

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Properties

Related Categories Acids & Bases, Bases, Chemical Synthesis, Essential Chemicals, Inorganic Bases,
grade   puriss.
assay   99.5-100.5% (calc. to the dried substance)
quality   meets analytical specification of Ph. Eur., BP, NF, FCC, E500
impurities   alkali hydroxides and bicarbonates, complies
  residual solvents
  <5 ppm heavy metals (as Pb)
loss   ≤0.5% loss on drying, 300 °C
  <0.5% loss on drying, 105°C, 4hrs
mp   851 °C (lit.)
anion traces   chloride (Cl-): ≤100 mg/kg
  sulfate (SO42-): ≤50 mg/kg
cation traces   As: ≤2 mg/kg
  Cu: ≤20 mg/kg
  Fe: ≤10 mg/kg
  Hg: ≤1 mg/kg
  Pb: ≤4 mg/kg
  Pb: >2 ppm
  Zn: ≤20 mg/kg
suitability   complies for appearance of solution

Description

Biochem/physiol Actions

Buffer component, may be used for the removal of peripheral membrane proteins.

Safety & Documentation

Safety Information

Symbol 
GHS07  GHS07
Signal word 
Warning
Hazard statements 
Precautionary statements 
RIDADR 
NONH for all modes of transport
WGK Germany 
1
RTECS 
VZ4050000

Documents

Certificate of Analysis

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Protocols & Articles

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Peer-Reviewed Papers
15

References

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