Ammonia (data page)

Ammonia (data page)

This page provides supplementary chemical data on ammonia.

Structure and properties

Table data (above) obtained from "CRC Handbook of Chemistry and Physics" 44th ed. The (s) notation indicates equilibrium temperature of vapor over solid. Otherwise temperature is equilibrium of vapor over liquid.

Vapor pressure formula for ammonia: [Lange's Handbook of Chemistry, 10th ed. page 1436]

:::log10(P) = A – B / (T – C)

where "P" is pressure in kPa and "T" is temperature in kelvins

:::A = 6.67956; B = 1002.711; C = 25.215 for T = 190 K through 333 K


Heat capacity of liquid and vapor

Material Safety Data Sheet

The handling of this chemical may incur notable safety precautions. It is highly recommend that you seek the Material Safety Datasheet (MSDS) for this chemical from a reliable source and follow its directions.
* [ SIRI]
* [ Science Stuff] (Ammonia Solution)



Except where noted otherwise, data relate to standard ambient temperature and pressure.


External links

* [ IR spectrum] (from NIST)

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