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1.06393 Supelco

Sodium carbonate

anhydrous, for analysis EMSURE® ACS,ISO,Reag. Ph Eur

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

  • CAS Number 497-19-8

  • Linear Formula Na2CO3

  • Molecular Weight 105.99

  •  Beilstein/REAXYS Number 4154566

  •  MDL number MFCD00003494

  •  EC Index Number 207-838-8

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Properties

Quality Level   300
grade   ACS reagent
Agency/Method   reag. ISO
  reag. Ph. Eur.
assay   ≥99.9% dry basis (acidimetric)
form   powder
potency   4090 mg/kg LD50, oral (Rat)
pH   11.16 (25 °C, 4 g/L in H2O)
mp   851 °C (lit.)
density   2.53 g/cm3 at 20 °C
bulk density   1100 kg/m3
anion traces   chloride (Cl-): ≤0.001%
  phosphate (PO43-): ≤0.001%
  silicate (as SiO2): ≤0.005%
  sulfur compounds (as SO42-): ≤0.003%
cation traces   Al: ≤ 0.001%
  As: ≤ 0.0001%
  Ca: ≤ 0.005%
  Fe: ≤ 0.0005%
  K: ≤ 0.005%
  Mg: ≤ 0.0005%
  N: ≤ 0.001%
  heavy metals: ≤ 0.0005%
  heavy metals (as Pb): ≤ 0.0005%
SMILES string   O=C(O[Na])O[Na]
InChI   1S/CH2O3.2Na/c2-1(3)4;;/h(H2,2,3,4);;/q;2*+1/p-2
InChI key   CDBYLPFSWZWCQE-UHFFFAOYSA-L
storage conditions   Store at +5°C to +30°C.

Description

Biochem/physiol Actions

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

Linkage

Replaces: SX0400-20; SX0400-5

Analysis Note

Assay (acidimetric; dried substance): ≥ 99.9 %
Insoluble matter: ≤ 0.01 %
Chloride (Cl): ≤ 0.001 %
Phosphate (PO₄): ≤ 0.001 %
Silicate (as SiO₂): ≤ 0.005 %
Total sulfur (as SO₄): ≤ 0.003 %
Total nitrogen (N): ≤ 0.001 %
Heavy metals (ACS): ≤ 0.0005 %
Heavy metals (as Pb): ≤ 0.0005 %
Al (Aluminium): ≤ 0.001 %
As (Arsenic): ≤ 0.0001 %
Ca (Calcium): ≤ 0.005 %
Fe (Iron): ≤ 0.0005 %
K (Potassium): ≤ 0.005 %
Mg (Magnesium): ≤ 0.0005 %
Loss on drying (300 °C): ≤ 1.0 %
Corresponds to ACS,ISO,Reag. Ph Eur

Legal Information

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany

Safety & Documentation

Safety Information

Symbol 
GHS07  GHS07
Signal word 
Warning
Hazard statements 
WGK Germany 
WGK 1
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable
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