LED AMMONIA NH3
General Characteristics
Led Ammonia is an ultra clean grade Ammonia developed for the use in ultra-sensitive Gallium Nitride processes for the production of lasers and LEDs. This ammonia gurantees the lowest levels yet achieved for oxygen-bearing compounds, water, carbon compounds, and metals.
Physical Information
Molecular Weight
17.030
Flammability Limits in air
15 - 28%
Specific Gravity,
Gas @ 70&degF(21.1&degC),
1 atm(Air=1)
0.594
Density,
Gas @ 70&degF
(21.1&degC), 1 atm
0.04lbs/ft^3 (0.71ml/g)
Specific Volume,
Gas @ 70&degF
(21.1&degC), 1 atm
22.6ft^3/lb (1.411ml/g)
Boiling Point @ 1 atm
-28&degF (-33.4&degC)
Melting Point @ 1 atm
-107.9&degF (-77.8&degC
Critical Temperature
270.4&degF (132.4&degC)
Toxicity
PEL
50 ppm
TLV-TWA
25 ppm

STEL
35 ppm
LC50RAT
7338 ppm
IDLH
500 ppm