POTASSIUM CYANIDE

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

form :

Solid

appearance:

White crystalline solid

pka:

9.36[at 20 ℃]

Specific Gravity:

1.52

color :

White

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.

Symbol(GHS) 

GHS05,GHS06,GHS08,GHS09

Signal word 

Danger

Hazard statements 

H290-H300+H310+H330-H372-H410

Precautionary statements 

P262-P273-P280-P302+P352+P310-P304+P340+P310-P314