Potassium, 99,95% (metals basis)

SKU: 406
CAS # 7440-09-7
Purity: 99,95%


Chemical Properties:

Molecular Weight 39.1
Appearance Soft, silvery metal
Melting Point 63.25 °C
Boiling Point 760 °C
Density 0.862 g/cm3
Thermal Expansion (25 °C) 83.3 µm/(m·K)
Poisson Ratio N/A
Vickers Hardness N/A
Young’s Modulus 3.53 GPa
Tensile Strength N/A
Thermal Conductivity 1.025 W/cm/K @ 298.2 K
Electronegativity 0.8 Paulings
Specific Heat 0.180 Cal/g/K @ 25 °C
Heat of Vaporization 18.9 K-Cal/gm atom at 760 °C

Potassium Metal is available as disc, granules, ingot, pellets, pieces, powder , rod, wire, andsputtering target. Sparrowchem produces to many standard grades when applicable, including Mil Spec (military grade); ACS, Reagent and Technical Grade; Food, Agricultural and Pharmaceutical Grade; Optical Grade, USP and EP/BP (European Pharmacopoeia/British Pharmacopoeia) and follows applicable ASTM testing standards. Typical and custom packaging is available. See safety data and research below and pricing/lead time above. Ultra high purity and high purity forms also include metal powder, submicron powder and nanoscale, quantum dots, targets for thin film deposition, pellets for evaporation and single crystal or polycrystalline forms. Elements can also be introduced into alloys or other systems as fluorides, oxides or chlorides or as solutions. Potassium metal is generally immediately available in most volumes.

Packaging Specifications
Health & Safety Info / SDS