SPECIFIC GRAVITY TABLES. 



37 



4th. HYDRATED DOUBLE CHLORIDES. 



5th. OXY- AND SULPHO-CHLORIDES. 



Name. 



^^ Thionyl chloride. 



" Chlorosulphuric acid. 



Formula. 



S O CI,. 



« 



S„ 0, CI.,. 



Specific 

 Gravity. 



1.675, 0-° 

 1.818, i6.° 

 1.763. 



Boiling Point. 



78.° 



145.° 



i45°-i5o.° 



Melting Point. 



AUTHORITIES. 



