Halogenated Solvents Industry Alliance, Inc.
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Arlington, Virginia 22209

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info@hsia.org

   
 
   


Solvents Facts

  •  Trichloroethylene Facts - Removed for updating – check back again soon
  •  Perchloroethylene (Tetrachloroethylene) Facts - Removed for updating – check back again soon
  •  Dichloromethane (Methylene Chloride) Facts - Removed for updating – check back again soon

 

 

Typical Properties of Chlorinated Solvents

Methylene Chloride Perchloroethylene Trichloroethylene
Chemical Formula
CH2Cl2 C2Cl4 C2HCl3
Molecular Weight
84.9 165.8 131.4
Boiling Point oF (oC)  @760 mm Hg
104 (40) 250 (121) 189 (87)
Freezing Point oF (oC)
-139 (-95) -9 (-23) -124 (-87)
Specific Gravity (g/cm3) @68oF  
1.33 1.62 1.46
Pounds per gallon  @ 77oF
10.99 13.47 12.11
Vapor Density (air = 1.00)
2.93 5.76 4.53
Vapor Pressure (mm Hg)  @77oF
436 18.2 74.3
Evaporation Rate  @ 77oF
     ether= l 00
71 12 30
     n-butyl acetate=l
14.5 2.1 4.5
Specific Heat (BTU/lb per oF)  @68oF
0.28
0.21
0.23
Heat of Vaporization (cal/g)  @ boiling pt
78.9
50.1
56.4
Viscosity (cps)  @77oF
0.41
0.75
0.54
Solubility (g/l 00 g)
     water in solvent
0.17 1.01 0.04
     solvent in water
1.70 0.015 0.10
Surface Tension (dynes/cm)  @68oF
28.2 32.3 29.5
Kauri-Butanol (KB) Value

136

90 129
Flash Point
     tag open cup

none

none

none
     tag closed cup

none

none

none
Flammable Limits (% solvent in air)
     lower limit

13

none

8

    upper limit

23

none

11

This information is believed to be correct as of the date of publication, but HSIA cannot guarantee its completeness or accuracy. In publishing this information, HSIA does not assume or undertake any duty imposed on any other party by law or regulation. It is the user's responsibility to determine the suitability of the solvent described in this paper, and HSIA assumes no responsibility arising out of such use.

   
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