13418

Sodium carbonate

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

• Synonym(s): Calcined soda, Carbonic acid disodium salt, Soda ash
• Linear Formula: Na₂CO₃
• CAS Number: 497-19-8
• Molecular Weight: 105.99
• Beilstein: 4154566
• EC Number: 207-838-8
• MDL number: MFCD00003494
• PubChem Substance ID: 24848136
• NACRES: NA.21

Properties

• Quality Level: 200
• grade: puriss.
• assay: 99.5-100.5% (calc. to the dried substance)
• form: powder or crystals
• 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
• pH: 12 (25 °C, 106 g/L)
• mp: 851 °C (lit.)
• anion traces: chloride (Cl^-): ≤100 mg/kg; sulfate (SO₄^2-): ≤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
• storage temp.: 15-25°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.

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