Ammonia

CAS RN: 7664-41-7

Property Summary

Autoignition Temperature:
    1204 deg F (651 deg C)

Boiling Point:
    -33.35 deg C at 760 mm Hg

Density Specific Gravity:
    0.696 g/L (liquid)

Flash Point:
    132 deg C (270 deg F) - closed cup

Melting Point:
    -77.7 deg C

Molecular Formula:
    H3-N

Molecular Weight:
    17.031

PH:
    pH of 1.0N aqueous solution 11.6; 0.1N aqueous solution 11.1; 0.01N aqueous solution 10.6

Solubilities:
    In water, 4.82X10+5 mg/L at 24 deg C
    In water, 47% at 0 deg C; 38% at 15 deg C; 34% at 20 deg C; 31% at 25 deg C; 28% at 30 deg C; 18% at 50 deg C
    Soluble in water forming alkaline solutions; soluble in oxygenated solvents.
    15% in 95% alcohol at 20 deg C; 11% in alcohol at 30 deg C
    20% in absolute ethanol at 0 deg C; 10% in absolute ethanol at 25 deg C
    16% in methanol at 25 deg C
    Soluble in chloroform and ether

Vapor Density:
    0.5967 (Air = 1)

Vapor Pressure:
    7500 mm Hg at 25 deg C

Viscosity:
    0.475, 0.317, 0.276 and 0.255 cP at -69, -50, -40 and -33.5 deg C, respectively

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