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Sodium nitrite

Chemical Properties

Melting point 271 °C (lit.)
Boiling point 320 °C
Density  2.17g/cm3
storage temp.  2-8°C
solubility  aqueous acid: 1 - 2μl acetic acid per ml H2Osoluble
form  powder
Specific Gravity 2.168
color  White or colorless
Odor Odorless
PH 9 (100g/l, H2O, 20℃)
PH Range 9
Water Solubility  820 g/L (20 ºC)
Sensitive  Hygroscopic
Merck  14,8648
Stability Stable. Incompatible with reducing agents, strong oxidizing agents, organics and other flammable materials, finely powdered metals. Contact with combustible material may lead to fire. Hygroscopic.
CAS DataBase Reference 7632-00-0(CAS DataBase Reference)
EPA Substance Registry System Sodium nitrite (7632-00-0)

Safety Information

Hazard Codes  O,T,N,Xn
Risk Statements  8-25-50-22-36/38
Safety Statements  45-61-36-26
RIDADR  UN 3219 5.1/PG 3
WGK Germany  3
RTECS  RA1225000
Autoignition Temperature 914 °F
HazardClass  5.1
PackingGroup  III
HS Code  28341000
Hazardous Substances Data 7632-00-0(Hazardous Substances Data)
Toxicity LD50 orally in rats: 180 mg/kg (Smyth)


Usage And Synthesis

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