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71345 Sigma

Sodium carbonate

BioUltra, anhydrous, ≥99.5% (calc. on dry substance, T)

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

  • CAS Number 497-19-8

  • Linear Formula Na2CO3

  • Molecular Weight 105.99

  •  Beilstein Registry Number 4154566

  •  EC Number 207-838-8

  •  PubChem Substance ID 24886173

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Properties

Related Categories Alphabetical, BioUltra Buffers, Biochemicals and Reagents, Biological Buffers
grade   anhydrous
product line   BioUltra
assay   ≥99.5% (calc. on dry substance, T)
form   powder or crystals
impurities   insoluble matter, passes filter test
  ≤0.001% total nitrogen (N)
  ≤0.005% total sulfur (as SO4)
loss   ≤1.0% loss on drying, 200 °C
pH   ~12.0 (25 °C, 1 M in H2O)
mp   851 °C(lit.)
solubility   H2O: soluble1 M at 20 °C, clear, colorless
anion traces   chloride (Cl-): ≤50 mg/kg
  phosphate, silicate (as SiO2): ≤50 mg/kg
cation traces   Al: ≤5 mg/kg
  As: ≤0.1 mg/kg
  Ba: ≤5 mg/kg
  Bi: ≤5 mg/kg
  Ca: ≤200 mg/kg
  Cd: ≤5 mg/kg
  Co: ≤5 mg/kg
  Cr: ≤5 mg/kg
  Cu: ≤5 mg/kg
  Fe: ≤5 mg/kg
  K: ≤50 mg/kg
  Li: ≤5 mg/kg
  Mg: ≤50 mg/kg
  Mn: ≤5 mg/kg
  Mo: ≤5 mg/kg
  Ni: ≤5 mg/kg
  Pb: ≤5 mg/kg
  Sr: ≤5 mg/kg
  Zn: ≤5 mg/kg
λ   1 M in H2O
UV absorption   λ: 260 nm Amax: 0.01
  λ: 280 nm Amax: 0.01

Description

Biochem/physiol Actions

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

Other Notes

Salt component in the fractionation of multivalent nucleotides by inorganic salt co-precipitation

Price and Availability

Suggested Laboratory Gloves


Laboratory GlovesThis substance has been tested against several types of hand protection for CE compliance. Click below to find the recommended gloves for handling this product.




Interactive Buffer Table
Safety & Documentation

Safety Information

Symbol 
GHS07  GHS07
Signal word 
Warning
Hazard statements 
Precautionary statements 
Personal Protective Equipment 
RIDADR 
NONH for all modes of transport
WGK Germany 
1
RTECS 
VZ4050000
Protocols & Articles

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Peer-Reviewed Papers
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References

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