Melting point
−78 °C(lit.)
density
1.023 g/mL at 25 °C
vapor density
0.6 (vs air)
vapor pressure
8.75 atm ( 21 °C)
FEMA
4494 | AMMONIA (ALSO INCLUDES AMMONIUM CHLORIDE)
solubility
Miscible with ethanol (95%) and water.
Odor
Intense pungent odor detectable at 17 ppm
Henry's Law Constant
1.31 at 0 °C, 2.92 at 20 °C (droplet train apparatus, Shi et al., 1999)
Exposure limits
TLV-TWA 25 ppm (～18 mg/m3) (ACGIH and MSHA), 50 ppm (OSHA); STEL 35 ppm; IDLH 500 ppm (NIOSH).
Stability:
Stable. Hygroscopic. Flammable. Incompatible with acids, strong oxidizing agents. May react violently with acids, aldehydes, alkylene oxides, amides, boron, boron halides, calcium, chlorine azide, chloric acid, chlorine monoxide, chlorites, halogens, heavy metals and many other materials - check the complete data sheet before use!
CAS DataBase Reference
7664-41-7(CAS DataBase Reference)
NIST Chemistry Reference
Ammonia(7664-41-7)
EPA Substance Registry System
Ammonia (7664-41-7)
China
