LN-760230
Hydrazoic acid , 99% , 7782-79-8
Update time: 2023-04-23
PRODUCT Properties
Melting point: | -80° |
Boiling point: | bp 37° |
Density | 1.092 |
solubility | soluble in H2O |
pka | 4.72(at 25℃) |
form | colorless liquid |
color | colorless liquid; explodes, explosive |
PH | pKa1= 4.43(25℃) |
Water Solubility | very soluble H2O [HAW93] |
Exposure limits | Ceiling 0.1 ppm vapor (ACGIH). |
Stability: | Unstable. Violently explosive in the concentrated or pure states. Readily forms explosive compounds with heavy metals. This is a dangerous and hard to handle substance which must not be prepared or handled by non-experts. |
EPA Substance Registry System | Hydrazoic acid (7782-79-8) |
Description and Uses
Hydrazoic acid or hydrogen azide is a dangerous explosion risk when shocked or heated. It is the gas-forming agent in many air bag systems in automobiles and escape chutes in airplanes.
Industrially in preparation of heavy metal azides for shell detonators.
Safety
RIDADR | 0473 |
HazardClass | 1.1A |
Hazardous Substances Data | 7782-79-8(Hazardous Substances Data) |
Toxicity | LD50 in mice (mg/kg): 21.5 i.p. (Graham) |