1.04926

Potassium carbonate-1.5-hydrate

99.995 Suprapur^®

• Synonym(e): Potassium carbonate-1.5-hydrate
• Empirische Formel (Hill-System): CK₂O₃ · 1.5H₂O
• CAS-Nummer: 6381-79-9
• Molekulargewicht: 165.23
• UNSPSC-Code: 12352302
• EG-Index-Nummer: 209-529-3
• NACRES: NA.21

Eigenschaften

• Qualität: for inorganic trace analysis
• Qualitätsniveau: 100
• Assay: 99.995%
• Form: solid
• Wirksamkeit: >2000 mg/kg LD₅₀, oral (Rat)
• mp (Schmelzpunkt): 891 °C (anhydrous substance)
• Löslichkeit: 1300 g/L
• Lagertemp.: 2-30°C
• InChI: 1S/CH2O3.2K.H2O/c2-1(3)4;;;/h(H2,2,3,4);;;1H2
• InChIKey: DQBSRQFEADGUIW-UHFFFAOYSA-N

Beschreibung

Hinweis zur Analyse

Reinheit (metallbezogen): ≥ 99.995 %
Gehalt an K₂CO₃: ≥ 80.0 %
Chlorid (Cl): ≤ 10 ppm
Fluorid (F): ≤ 5 ppm
Phosphat (PO₄): ≤ 0.05 ppm
Silicat (als SiO₂): ≤ 5 ppm
Sulfat (SO₄): ≤ 10 ppm
Al (Aluminium): ≤ 0.05 ppm
As (Arsen): ≤ 0.05 ppm
B (Bor): ≤ 0.5 ppm
Ba (Barium): ≤ 5.0 ppm
Ca (Calcium): ≤ 0.50 ppm
Cd (Cadmium): ≤ 0.010 ppm
Ce (Cer): ≤ 0.010 ppm
Co (Cobalt): ≤ 0.010 ppm
Cr (Chrom): ≤ 0.010 ppm
Cu (Kupfer): ≤ 0.010 ppm
Eu (Europium): ≤ 0.010 ppm
Fe (Eisen): ≤ 0.05 ppm
Hg (Quecksilber): ≤ 0.05 ppm
La (Lanthan): ≤ 0.010 ppm
Li (Lithium): ≤ 0.2 ppm
Mg (Magnesium): ≤ 0.10 ppm
Mn (Mangan): ≤ 0.050 ppm
Na (Natrium): ≤ 10 ppm
Ni (Nickel): ≤ 0.050 ppm
Pb (Blei): ≤ 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 (Zink): ≤ 0.050 ppm

Rechtliche Hinweise

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

Sicherheitshinweise

• Piktogramme: GHS07
• Signalwort: Warning
• H-Sätze: H315 - H319 - H335
• P-Sätze: P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338
• Gefahreneinstufungen: Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
• Zielorgane: Respiratory system
• Lagerklassenschlüssel: 13 - Non Combustible Solids
• WGK: WGK 1
• Flammpunkt (°F): Not applicable
• Flammpunkt (°C): Not applicable