Molecular Weight
Burdick & Jackson solvents are arranged in order of increasing molecular weight, the sum of the atomic weights (International Atomic Weights of 1961) of the atoms in the molecule.

 
  Molecular Weight
Water 18.02
Methanol 32.04
Acetonitrile 41.05
Ethyl Alcohol 46.07
Acetone 58.08
   
Isopropyl Alcohol 60.09
n-Propyl Alcohol 60.09
Cyclopentane 70.14
Methyl Ethyl Ketone 72.11
Tetrahydrofuran 72.11
   
Pentane 72.15
N,N-Dimethylformamide 73.10
n-Butyl Alcohol 74.12
Ethyl Ether 74.12
Isobutyl Alcohol 74.12
   
2-Methoxyethanol 76.10
Dimethyl Sulfoxide 78.13
Pyridine 79.10
Cyclohexane 84.16
Dichloromethane 84.93
   
Methyl n-Propyl Ketone 86.13
Hexane 86.18
Dimethyl Acetamide 87.12
1,4-Dioxane 88.11
Ethyl Acetate 88.11
   
Methyl t-Butyl Ether 88.14
Glyme 90.12
Toluene 92.14
n-Butyl Chloride 92.57
Ethylene Dichloride 98.96
   
N-Methylpyrrolidone 99.13
Methyl Isobutyl Ketone 100.16
Heptane 100.21
Triethylamine 101.19
Propylene Carbonate 102.09
   
o-Xylene 106.17
Chlorobenzene 112.56
Trifluoroacetic Acid 114.02
Methyl Isoamyl Ketone 114.19
Iso-Octane 114.23
   
n-Butyl Acetate 116.16
Chloroform 119.38
o-Dichlorobenzene

147.00

1,2,4-Trichlorobenzene

181.46

   
1,1,2-Trichlorotrifluoroethane

187.37

Isopropyl Myristate
270.45
Not included:
 

    Petroleum Ether