SX0395

Sodium carbonate

anhydrous, powder, Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS

• Synonym(s): 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

Properties

• Agency: meets USP/NF
• Quality Level: 200
• Assay: ≥99.5% dry basis
• form: powder
• impurities: ≤0.01% Insoluble matter
• loss: ≤1.0% loss on heating, 285°C
• color: white
• pH: 11.16 (25 °C, 4 g/L in H₂O)
• mp: 851 °C (lit.)
• solubility: 212.5 g/L
• 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: Ca: ≤0.03%; Fe: ≤5 ppm; K: ≤0.005%; Mg: ≤0.005%; heavy metals: ≤5 ppm
• shipped in: ambient
• storage temp.: room temp
• 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

Application

anhydrous, powder, Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS

Biochem/physiol Actions

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

Analysis Note

Assay (dried basis)99.5% minCalcium (Ca)0.03% maxChloride (Cl)0.001% maxColorWhiteFormPowderHeavy Metals (by ICP-OES)5ppm maxInsoluble matter0.01% maxIron (Fe)5ppm maxLoss on heating at 285°C1.0% maxMagnesium (Mg)0.005% maxPhosphate (PO4)0.001% maxPotassium (K)0.005% maxSilica (SiO2)0.005% maxSulfur compounds (as SO4)0.003% max

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