1.04926

Potassium carbonate-1.5-hydrate

99.995 Suprapur^®

• Synonym(s): Potassium carbonate-1.5-hydrate
• Empirical Formula (Hill Notation): CK₂O₃ · 1.5H₂O
• CAS Number: 6381-79-9
• Molecular Weight: 165.23
• UNSPSC Code: 12352302
• EC Index Number: 209-529-3
• NACRES: NA.21

Properties

• grade: for inorganic trace analysis
• Quality Level: 100
• Assay: 99.995%
• form: solid
• potency: >2000 mg/kg LD₅₀, oral (Rat)
• mp: 891 °C (anhydrous substance)
• solubility: 1300 g/L
• storage temp.: 2-30°C
• InChI: 1S/CH2O3.2K.H2O/c2-1(3)4;;;/h(H2,2,3,4);;;1H2
• InChI key: DQBSRQFEADGUIW-UHFFFAOYSA-N

Description

Analysis Note

Purity (metallic): ≥ 99.995 %
K₂CO₃ contents: ≥ 80.0 %
Chloride (Cl): ≤ 10 ppm
Fluoride (F): ≤ 5 ppm
Phosphate (PO₄): ≤ 0.05 ppm
Silicate (as SiO₂): ≤ 5 ppm
Sulfate (SO₄): ≤ 10 ppm
Al (Aluminium): ≤ 0.05 ppm
As (Arsenic): ≤ 0.05 ppm
B (Boron): ≤ 0.5 ppm
Ba (Barium): ≤ 5.0 ppm
Ca (Calcium): ≤ 0.50 ppm
Cd (Cadmium): ≤ 0.010 ppm
Ce (Cerium): ≤ 0.010 ppm
Co (Cobalt): ≤ 0.010 ppm
Cr (Chromium): ≤ 0.010 ppm
Cu (Copper): ≤ 0.010 ppm
Eu (Europium): ≤ 0.010 ppm
Fe (Iron): ≤ 0.05 ppm
Hg (Mercury): ≤ 0.05 ppm
La (Lanthanum): ≤ 0.010 ppm
Li (Lithium): ≤ 0.2 ppm
Mg (Magnesium): ≤ 0.10 ppm
Mn (Manganese): ≤ 0.050 ppm
Na (Sodium): ≤ 10 ppm
Ni (Nickel): ≤ 0.050 ppm
Pb (Lead): ≤ 0.010 ppm
Sc (Scandium): ≤ 0.010 ppm
Sm (Samarium): ≤ 0.010 ppm
Sr (Strontium): ≤ 0.50 ppm
Tl (Thallium): ≤ 0.01 ppm
Y (Yttrium): ≤ 0.010 ppm
Yb (Ytterbium): ≤ 0.010 ppm
Zn (Zinc): ≤ 0.050 ppm

Legal Information

SUPRAPUR is a registered trademark of Merck KGaA, Darmstadt, Germany

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