Basic information Uses Description Safety Related Supplier
POTASSIUM CYANIDE Structure

POTASSIUM CYANIDE

Chemical Properties

Melting point 634 °C (lit.)
Boiling point 1625 °C
Density  1.00 g/mL at 20 °C
vapor pressure  1.8hPa at 634.5℃
Flash point 1625°C
storage temp.  Poison room
solubility  H2O: 1 M at 20 °C, clear, colorless
pka 9.36[at 20 ℃]
form  Solid
color  White
Specific Gravity 1.52
PH 11-12 (20g/l, H2O, 20°C)
Water Solubility  Highly soluble in water. Soluble in methanol, glycerol, and formamide. Slightly soluble in ethanol.
Sensitive  Hygroscopic
Merck  14,7626
BRN  4652394
Exposure limits TLV-TWA (measured as CN) skin 5 mg CN/m3 (ACGIH and OSHA); 5 mg CN/m3/ 10 min ceiling (NIOSH).
Stability Stable. Incompatible with a variety of materials, including acids, iodine, peroxides, permanganates, alkaloids, chloral hydrate, metallic salts. Light and moisture sensitive. Contact with acid generates extremely toxic HCN gas.
LogP -0.252 at 20℃
CAS DataBase Reference 151-50-8(CAS DataBase Reference)
EPA Substance Registry System Potassium cyanide (151-50-8)

Safety Information

Hazard Codes  T+,N
Risk Statements  26/27/28-32-50/53
Safety Statements  7-28-29-45-60-61
RIDADR  UN 1680 6.1/PG 1
WGK Germany  3
RTECS  TS8750000
3-8-10-23
TSCA  Yes
HS Code  2837 19 00
HazardClass  6.1
PackingGroup  I
Hazardous Substances Data 151-50-8(Hazardous Substances Data)
Toxicity LD50 orally in rats: 10 mg/kg (Hayes)
IDLA 25 mg/m3(as CN)

MSDS

Usage And Synthesis