Melting point :306 °C (dec.) (lit.)
Boiling point :380 °C
Density :1.1 g/mL at 25 °C
bulk density :1200kg/m3
refractive index :1.526
storage temp. :Store at RT.
solubility :H₂O: 1 M at 20 °C, clear, colorless
form :Solid
Specific Gravity :2.261
color :White or colorless
Odor :Odorless
PH :5.5-8.0 (50g/l, H2O, 20℃)
Flame Color :Orange
Water Solubility :900 g/L (20 ºC)
Sensitive :Hygroscopic
Merck :14,8647
crystal system :Three sides
Space group :R3c
Lattice constant :

a/nm	b/nm	c/nm	α/o	β/o	γ/o	V/nm3
0.50708	0.50708	1.6818	90	90	120

Dielectric constant :5.2（0.0℃）
Stability :Stable. Strong oxidizer - may ignite flammable material. Incompatible with cyanides, combustible material, strong reducing agents, aluminium.
LogP :-0.129 (est)
CAS DataBase Reference :7631-99-4(CAS DataBase Reference)
EPA Substance Registry System :Sodium nitrate (7631-99-4)
Absorption :cut-off at 328nm in H2O at 1M

Symbol(GHS):
Signal word:	Warning
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 H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
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. P280 Wear protective gloves/protective clothing/eye protection/face protection. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P337+P313 IF eye irritation persists: Get medical advice/attention.