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Potassium

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Potassium molecular structure
Molecular structure

The Sigma-Aldrich catalog lists 5 grades and pack sizes of Potassium (CAS 7440-09-7). Pick the code you need and request a quote for price and lead time from Klar Chem.

CAS7440-09-7
Molecular formulaK
Molecular weight39.1 g/mol
IUPAC namepotassium
SynonymsKalium · Potassium, metal · Potassium, elemental · Potassium (NOS) · RefChem:6148 · RWP5GA015D
Safety & Hazards (GHS) Danger
Flammable Flammable Corrosive Corrosive
  • H260 In contact with water releases flammable gases which may ignite spontaneously
  • H314 Causes severe skin burns and eye damage

⚠️ For information only (source: EU CLP harmonised classification and ECHA notifications, via PubChem); not a substitute for the official Safety Data Sheet (SDS).

Catalog codes and grades

Brand Product / grade Code
Sigma POTASSIUM HYDRIDE, 30 WT. % DISPERSION I 215813-300G
215813-75G		 Request Quote
Sigma POTASSIUM HYDRIDE, IN PARAFFIN 708860-25G
708860-5G		 Request Quote
Sigma POTASSIUM, CHUNKS (IN MINERAL OIL), 98% 244864-50G Request Quote

For information only; specifications and availability are confirmed at quotation. Prices are not listed.