12611

Potassium carbonate

puriss., meets analytical specification of Ph. Helv., anhydrous, granulated, 99-101% (calc. to the dried substance)

• Linear Formula: K₂CO₃
• CAS Number: 584-08-7
• Molecular Weight: 138.21
• Beilstein: 4267587
• EC Number: 209-529-3
• MDL number: MFCD00011382
• UNSPSC Code: 12352302
• PubChem Substance ID: 329749772
• NACRES: NA.21

Properties

• grade: puriss.
• Assay: 99-101% (calc. to the dried substance)
• form: powder or crystals
• quality: granulated; meets analytical specification of Ph. Helv.
• impurities: residual solvents, complies; ≤0.001% heavy metals (as Pb)
• loss: ≤1% loss on drying, 120 °C, 5 h
• pH: 11-13 (25 °C, 138 g/L)
• mp: 891 °C (lit.)
• anion traces: chloride (Cl^-): ≤20 mg/kg; sulfate (SO₄^2-): ≤20 mg/kg
• cation traces: As: ≤1 mg/kg; Ca: ≤50 mg/kg; Fe: ≤10 mg/kg; Mg: ≤50 mg/kg; Na: ≤2000 mg/kg
• suitability: complies for appearance of solution
• SMILES string: [K+].[K+].[O-]C([O-])=O
• InChI: 1S/CH2O3.2K/c2-1(3)4;;/h(H2,2,3,4);;/q;2*+1/p-2
• InChI key: BWHMMNNQKKPAPP-UHFFFAOYSA-L

Safety Information

• Pictograms: GHS07
• Signal Word: Warning
• Hazard Statements: H315,H319,H335
• Precautionary Statements: P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338
• Hazard Classifications: Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
• Target Organs: Respiratory system
• Storage Class Code: 13 - Non Combustible Solids
• WGK: WGK 1
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable