Kvävedioxid

 
NO2Nitrogen dioxide
General 
Molecular formulaNO2
Main hazardHighly toxic (T+)
AppearanceBrown gas
Molar mass46,0055 g/mol
Properties 
Density3,4 g/L (heavier than air)
Solubility in waterreacts
Melting point-11,2 C (261,95 K)
Boiling point21,1 C (293,25 K)
Health 
 4 – Deadly
3 – Extreme danger
2 – Hazardous
1 – Slightly hazardous
0 – Normal materials
Fire 
4 – Very Flammable
3 – Readily Ignitable
2 – Ignited with heat
1 – Combustible
0 – Will not burn
Reactivity 
4 – May detonate
3 – Shock & heat may detonate
2 – Violent chemical change
1 – Unstable if heated
0 – Stable
Specific Hazard 
OXE – Oxidizer
ACID – Acid
ALK – Alkali
COR – Corrosive
W – Use no water