S22 



SOLVENTS AND OILS G25 



perfect dehydration. If they are to be used solvents with Canada l^alsam is not of 



to clear objects before making whole- necessity the same as their miscibdity 



mounts in resinous media, it must be with any other resin used for the 



remembered that the miscibihty of these mountmg. 



22 PHYSICAL PROPERTIES OF SYNTHETIC CLEARING AGENTS 



Suit- 



Evapo- ability Misci- Misci- Sohibil- 



Re- ration Solubil- for use bility bility ity of 



frac- Boil- rate ity of with with with nitro- 



Othor tive lag (ethanol water stained molten Canada celhilose 



Name names index point = lUO) in materials parafHn balsam in 



^"^cetate 141 ? 2% ++ « « 



Aniline aniline oil 1.59 184 ? 1^% '^ ++ !? 



Benzene benzol 1.50 80 185 0.06% + + + - + + + 



^""chloride .. 1.40 78.6 .. 0-08% ? + + + - 



Carbon „ , , n 



disulfide .. 1.63 46.3 ? ? + + oo co 



Carbon 



chloride .. 1.46 76.7 ? >0.01% + + + cc co 



Chloro- „ , , , n 



form .. 1.45 61.5 ? ? + + + ^ ^ 



Creosote, Beechwood 



wood creosote ? 200+ ? .. + oo « 



Dichlor- 



ethyl 



ether 

 Ethyl 



acetate 

 Ethyl 



benzo- 



ate 

 Ethylene 



dichlo- , , 



- ride .. ? 85.6 ? 0.15% + + 



Ethylene cellosolve 



glycol acetate 



mono- 

 ethyl 



ether 



acetate 

 Ethyl ether, 



ether sulfuric 



ether 1.30 34.6 970 1.3 + + + 



2 -Hep- methyl 



tanol amyl ^ 



carbinol 1.42 162 ? 5.2% + « « 



Hexanol amyl „ 



carbinol 1.47 157.2 ? 7.2% + co =o 



? 178.5 ? 0.28% ++ + + + + + + * 



1.44 77.1 180 3.3% .. + + + + + + 



1.51 212 ? >0.01% + + + « CO 



156.4 6 6.5 ? ? + + + + + + 



00 



Isopropyl (. 



--*- ? 88.4 150 1.8% « 00 



1.52 199 ? >0.01% + + + " CO 



benzo- niobe 

 ate 



