"ELMOS"
Phosphorus trichloride

Physical-chemical properties Name

1.Formula

 PCl3 

2.Formula weight

137.33

3.LgP(mm Hg)=B - A/T(Kelvin)

 100 mm Hg (20o) 
 385 mm Hg (55o) 

4.Melting point, oÑ

-112

5.Boiling point, oÑ

77−78

6.Density, g/cm 3

1.574 (20o)

7.Index of refraction

1.5148 (20o)

8.Stability to air

sensitive light,
decomposed with water

9.Class of danger

6.1

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