TABLE 318.— VISCOSITY OF ORGANIC LIQUIDS 



(Temperature variation) 



323 



Compiled from Landolt and Bornstein, 1923. Based principally on work of Thorpe and 

 Rogers, 1894-1897. Viscosity given in centipoises. One centipoise = 0.01 dyne-second 

 per cm 2 . 



Viscosity in centipoises 



Liquid Formula 



Acids : 



Formic CH 2 2 



Acetic GH,0 2 



Acetic 



(anhydrous) . . . GH 4 2 



Propionic GH 6 2 



Propionic 



(anhydrous) ... GH fl 2 



Butyric C,H,0 2 



i-Butyric GH 8 2 



Alcohols : 



Methyl CH,0 



Ethyl GHeO 



Propyl GH 8 



i-Propyl GH s O 



Butyl GH 10 O 



i-Butyl GH,oO 



Allyl GH fl O 



Aromatics: 



Benzene GH 8 



Toluene GH 8 



Orthoxylene GH10 



Metaxylene GH, 



Paraxylene GH )0 



Ethyl Benzene . . . GH 10 



Bromides : 



Ethyl GH.Br 



Propyl GH,Br 



i-Propyl GHrBr 



i-Butyl GHeBr 



Allyl GH 5 Br 



Ethylene GH,Br 



Bromine Br 



Chlorides : 



Propyl GH,C1 



i-Propyl GH,C1 



i-Butyl GH„C1 



Allyl GH3CI 



Methylene CH 2 C1 2 



Ethylene GH,C1 2 



Chloroform CHCU 



Carbon-tetra CCU 



Ethers : 



Diethyl GH 10 O 



Methyl-Propyl ... GH.oO 



Ethyl-Propyl .... GH 12 



Methyl-iso-Butyl . GH 12 



Dipropyl GHnO 



Ethyl-iso-Butyl . . GH„0 



1.267 1.120 1.005 .911 .831 .761 



SMITHSONIAN PHYSICAL TABLES 



