EMAIL THIS PAGE TO A FRIEND
223530 Sigma-Aldrich

Sodium carbonate

powder, ≥99.5%, ACS reagent

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

  •  MDL number MFCD00003494

  •  PubChem Substance ID 24853390

  •  NACRES NA.21

Purchase

Properties

Related Categories Acids & Bases, Bases, Chemical Synthesis, Essential Chemicals, Inorganic Bases,
Quality Level   200
grade   ACS reagent
assay   ≥99.5%
form   powder
impurities   ≤0.005% silica
  ≤0.01% insolubles
loss   ≤1.0% loss on heating
pH   12 (25 °C, 106 g/L)
mp   851 °C (lit.)
anion traces   chloride (Cl-): ≤0.001%
  phosphate (PO43-): ≤0.001%
  sulfur compounds (as SO42-): ≤0.003%
cation traces   Ca: ≤0.03%
  Fe: ≤5 ppm
  K: ≤0.005%
  Mg: ≤0.005%
  heavy metals: ≤5 ppm (by ICP-OES)
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

Description

Packaging

1 kg in poly bottle

2.5, 12 kg in poly drum

500 g in poly bottle

Biochem/physiol Actions

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

Other Notes

Go to Redi-Dri Product Listing 791768

Legal Information

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

Safety & Documentation

Safety Information

Symbol 
GHS07  GHS07
Signal word 
Warning
Hazard statements 
RIDADR 
NONH for all modes of transport
WGK Germany 
WGK 1
RTECS 
VZ4050000
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable

Documents

Certificate of Analysis (COA)

Please Enter a Lot Number

Certificate of Origin (COO)

Please Enter a Lot Number
Protocols & Articles

Related Content

Lab Chemicals

We are a leading global supplier and manufacturer of high-quality, stockroom and basic research products including solvents, acids and inorganics. We specialize in providing the most comprehensive pr...
Keywords: Solvents

Molarity Calculator & Normality Calculator for Acids & Bases

The molarity calculator tool provides lab-ready directions describing how to prepare an acid or base solution of specified Molarity (M) or Normality (N) from a concentrated acid or base solution. To ...

Peer-Reviewed Papers
15

References

Related Products

Technical Service:

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Bulk Ordering & Pricing:

Need larger quantities for your development, manufacturing or research applications?