Ammonia

CAS No. 7664-41-7

Formula: H3N
Basic Info

Formula
H3N
Molecular Weight
17.0305
Exact Mass
17.0265
LogP
0.3239
PSA
3.24
Synonyms

amoniak

NH3

ammoniaca

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Properties
Appearance & Physical State
colourless gas (standard conditions)
Density
0.6818
Boiling Point
-33ºC
Melting Point
-78ºC
Flash Point
11ºC
Refractive Index
1.355
Water Solubility
soluble
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
Storage Condition
0-6ºC
Vapor Density
0.6 (vs air)
Vapor Pressure
8.75 atm ( 21 °C)
Safety Info
RTECS
BO0875000
Safety Statements
26-7-45-36/37/39-16-9-61
WGK Germany
2
Risk Statements
R10; R11; R23/24/25; R36/37/38; R39/23/24/25
HS Code
2814100000
RIDADR
UN 1005/2073
Hazard Class
3
Packing Group
II
Caution Statement
P210; P261; P273; P281; P305 + P351 + P338
Hazard Codes
Analysis Methods
Kovats' RI, non-polar column, isothermal
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Column Shape
Packed
Active Phase(℃)
PMS-100
Retention index
118.
Temperature Control
150.
Method
isothermal
Comments
He, Celite 545 (44-60 mesh); Column length: 3. m
Reference
Anderson, A.Jurel, S.Shymanska, M.Golender, L.Gas-liquid chromatography of some aliphatic and heterocyclic mono- and pollyfunctional amines. VII. Retention indices of amines in some polar and unpolar stationary phasesLatv. PSR Zinat. Akad. Vestis Kim. Ser.1973, 1, 51-63.
Kovats' RI, non-polar column, isothermal
expand collapse
Column Shape
Packed
Active Phase(℃)
PMS-100
Retention index
131.
Temperature Control
180.
Method
isothermal
Comments
He, Celite 545 (44-60 mesh); Column length: 3. m
Reference
Anderson, A.Jurel, S.Shymanska, M.Golender, L.Gas-liquid chromatography of some aliphatic and heterocyclic mono- and pollyfunctional amines. VII. Retention indices of amines in some polar and unpolar stationary phasesLatv. PSR Zinat. Akad. Vestis Kim. Ser.1973, 1, 51-63.
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