71345

Sodium carbonate

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

• 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
• UNSPSC Code: 12161700
• PubChem Substance ID: 24886173
• NACRES: NA.25

Properties

• 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: 1 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 A_max: 0.01; λ: 280 nm A_max: 0.01
• 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

General description

Sodium carbonate is also termed as soda ash. Solvay process uses sodium chloride and limestone to produce sodium carbonate.

Application

Sodium carbonate has been used as a component in BG11 liquid media for cyanobacterial growth and in G625 growth medium for Anabaena flos-aquae. It has also been used to impregnate mixed-cellulose ester (MCE) filter.

Biochem/physiol Actions

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

Sodium carbonate helps to improve the pretreatment of rice straw and develops delignification process.

Other Notes

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

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
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves