Product #: 300022
K METAL
Formula:

K


Formula Weight: 39.10 g/mol
CAS #: 7440-09-7
EINECS: Not listed
Alkali K
Density

0.856 g/ml at 20°C: 0.819 g/mL at 100°C

Melting Point

63.2 °C/146 °F

Boiling Point

760°C/1,400°F

Physical Properties
Physical Form
Easily melted solid
Appearance
Silver metal
Application
For catalyzed reactions and isomerizations. Excellent catalyst for side-chain alkylation at benzylic methyl groups with olefins. Reducing agent for inorganic and organic compounds.
Analysis Method
Base titration for potassium concentration.
Analytical Note
Vapor pressure 99.75 mm Hg at 171°C
Storage & Shipping
Shelf Life
Four years in unopened, original packaging. Based upon stability testing.
Storage / Stability
Potassium reacts explosively with water to form hydrogen and potassium hydroxide. Potassium also reacts with air to form potassium superoxide (KO2), which can react explosively with organic materials. KO2 is a yellow solid.
Packaging

Cylinder containing 85 Kg K Metal

Shipping
  • UN2257, 4.3, PG I
  • Water-reactive
Safety & Service
Health & Safety

See product MSDS

Technical Service
Available for all Callery products. Please contact your local representative for more details.
Notes
Product Notes

High purity, alkali metal, non-corrosive to metals. Custom packaging and bulk quantities available.