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Sodium nitrate Structure

Sodium nitrate

Chemical Properties

Melting point 306 °C (dec.) (lit.)
Boiling point 380 °C
Density  1.1 g/mL at 25 °C
storage temp.  Store at RT.
solubility  H2O: 1 M at 20 °C, clear, colorless
form  Solid
Specific Gravity 2.261
color  White or colorless
PH 5.5-8.0 (50g/l, H2O, 20℃)
Odor Odorless
Water Solubility  900 g/L (20 ºC)
Sensitive  Hygroscopic
Merck  14,8647
crystal system Three sides
Space group R3c
Lattice constant
a/nmb/nmc/nmα/oβ/oγ/oV/nm3
0.507080.507081.68189090120
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)
FDA 21 CFR 172.170; 173.310; 175.105; 310.545
Substances Added to Food (formerly EAFUS) SODIUM NITRATE
EWG's Food Scores 1
FDA UNII 8M4L3H2ZVZ
EPA Substance Registry System Sodium nitrate (7631-99-4)

Safety

Symbol(GHS)
Signal wordWarning
Hazard statements H272-H319
Precautionary statements P210-P220-P264-P280-P305+P351+P338-P337+P313
Hazard Codes  O,Xn,Xi,C
Risk Statements  8-22-36/37/38-36/38-34-36
Safety Statements  17-26-27-36/37/39-37/39-36-45
RIDADR  UN 1498 5.1/PG 3
WGK Germany  1
RTECS  WC5600000
3
TSCA  Yes
HazardClass  5.1
PackingGroup  III
HS Code  31025090
Hazardous Substances Data 7631-99-4(Hazardous Substances Data)
Toxicity LD50 orally in rabbits: 1.955 g anion/kg (Dollahite, Rowe)
NFPA 704:
0
1 0

Sodium nitrate Chemical Properties,Usage,Production

Sodium nitrate Spectrum