|
gptkbp:instanceOf
|
gptkb:chemical_compound
|
|
gptkbp:appearance
|
colorless gas
|
|
gptkbp:aroma
|
pungent
|
|
gptkbp:autoignitionTemperature
|
651 °C
|
|
gptkbp:boilingPoint
|
-33.34 °C
|
|
gptkbp:CASNumber
|
7664-41-7
|
|
gptkbp:chemicalFormula
|
gptkb:NH3
|
|
gptkbp:criticalFor
|
113 atm
|
|
gptkbp:criticalTemperature
|
132.4 °C
|
|
gptkbp:density
|
0.73 kg/m³ (gas at 0°C, 1 atm)
|
|
gptkbp:discoveredBy
|
gptkb:Joseph_Priestley
|
|
gptkbp:discoveredIn
|
1774
|
|
gptkbp:EC_number
|
231-635-3
|
|
gptkbp:flammability
|
flammable
|
|
gptkbp:foundIn
|
atmosphere (trace amounts)
|
|
gptkbp:GHS_signal_word
|
Danger
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Ammonia
|
|
gptkbp:hydrogenBonding
|
yes
|
|
gptkbp:isAlkaline
|
yes
|
|
gptkbp:isBase
|
yes
|
|
gptkbp:isColorless
|
yes
|
|
gptkbp:isConjugateBaseOf
|
gptkb:ammonium
amide
|
|
gptkbp:isCorrosive
|
yes
|
|
gptkbp:isInorganic
|
yes
|
|
gptkbp:isVolatile
|
yes
|
|
gptkbp:IUPACName
|
gptkb:azane
|
|
gptkbp:meltingPoint
|
-77.73 °C
|
|
gptkbp:molecularWeight
|
17.03052 g/mol
|
|
gptkbp:NFPA704
|
3 (health), 0 (flammability), 0 (instability)
|
|
gptkbp:oxidationStates
|
-3
|
|
gptkbp:pKa
|
9.25
|
|
gptkbp:productionMethod
|
gptkb:Haber-Bosch_process
|
|
gptkbp:PubChem_CID
|
gptkb:CHEMBL123
222
16134
|
|
gptkbp:refractiveIndex
|
1.000375 (gas)
|
|
gptkbp:riskFactor
|
corrosive
irritant
environmental hazard
|
|
gptkbp:RTECSNumber
|
BO0875000
|
|
gptkbp:solubility
|
high
yes
|
|
gptkbp:structure
|
trigonal pyramidal
|
|
gptkbp:toxicity
|
yes
toxic in high concentrations
|
|
gptkbp:UNNumber
|
1005
|
|
gptkbp:uses
|
fertilizer
refrigerant
chemical feedstock
cleaning agent
|
|
gptkbp:vaporPressure
|
8570 mmHg (at 25°C)
|
|
gptkbp:bfsParent
|
gptkb:Compound
|
|
gptkbp:bfsLayer
|
5
|