Melting point :350 °C (dec.)(lit.)
Boiling point :explodes at 537℃ [HAW93]
Density :1,92 g/cm³
vapor density :2.9 (vs air)
storage temp. :Store at +5°C to +30°C.
solubility :water: soluble0.35 part
form :Solid
Specific Gravity :1.915
color :White to slightly yellow
PH :7-10 (50g/l, H2O, 20℃)
Odor :Odorless
PH Range :7 - 10
Water Solubility :Soluble in water, hot alcohol, liquid NH{3}Soluble in water, alcohol and ammonia.
Sensitive :Hygroscopic
Merck :14,7649
Stability :Stability Stable, but strong oxidizer - contact with combustible material may lead to fire. Incompatible with strong reducing agents, strong acids, combustible materials, cyanides, ammonium salts.
CAS DataBase Reference :7758-09-0(CAS DataBase Reference)
EPA Substance Registry System :Potassium nitrite (7758-09-0)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H272 May intensify fire; oxidizer Oxidising liquids;Oxidising solids Category 2 Category 3 Danger Warning P210, P220, P221P280, P370+P378,P501 H301 Toxic if swalloed Acute toxicity,oral Category 3 Danger P264, P270, P301+P310, P321, P330,P405, P501 H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P H400 Very toxic to aquatic life Hazardous to the aquatic environment, acute hazard Category 1 Warning P273, P391, P501
Precautionary statements:	P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P220 Keep/Store away from clothing/…/combustible materials. P264 Wash hands thoroughly after handling. P264 Wash skin thouroughly after handling. P273 Avoid release to the environment. P301+P310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.