1.06393

Sodium carbonate

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

• Synonym(s): anhydrous soda, Calcined soda, Carbonic acid disodium salt, Soda ash
• Linear Formula: Na₂CO₃
• CAS Number: 497-19-8
• Molecular Weight: 105.99
• Beilstein: 4154566
• MDL number: MFCD00003494
• UNSPSC Code: 12352302
• EC Index Number: 207-838-8
• NACRES: NA.21

Properties

• grade: ACS reagent
• Quality Level: 300
• Agency: reag. ISO; reag. Ph. Eur.
• product line: EMSURE^®
• Assay: ≥99.9% dry basis (acidimetric)
• form: powder
• potency: 4090 mg/kg LD₅₀, oral (Rat)
• impurities: ≤0.01% Insoluble matter
• loss: ≤1% loss on drying, 300 °C
• 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 (PO₄^3-): ≤0.001%; silicate (as SiO₂): ≤0.005%; sulfur compounds (as SO₄^2-): ≤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%
• storage temp.: 2-30°C
• 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

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 Information

• Pictograms: GHS07
• Signal Word: Warning
• Hazard Statements: H319
• Precautionary Statements: P264 - P280 - P305 + P351 + P338 - P337 + P313
• Hazard Classifications: Eye Irrit. 2
• Storage Class Code: 13 - Non Combustible Solids
• WGK: WGK 1
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable