Table 5-2 Continued 



255 



Compound 



Foimula Remarks 



Tm 



Compounds present in background/Blank 



analyses (continued) 





Trimethylsilanol 



CjHioOSi 



90 



Hexamethylcyclotrisiloxane 



QHigOjSij 



222 



Octamethylcyclotetrasiloxane 



CgH2404Si4 



296 



Decamethylcyclopentasiloxane 



CioHjoOjSij 



370 



Dodecamethylcyclohexasiloxane 



CnHjsO^Sig 



444 



Tetradecamethylhexasilioxane 



CuHizOgSig 



458 



Hexadecamethylcycloheptasiloxane 



Ci6H4g06Si7 



532 



3-isopropoxy-l,l,l,7,7-hexamethyI- 



CisHjjOySi, 



576 



3,5,5-tris(trimethylsiloxy) 







Tetrasiloxane 







1,2-benzenedicarboxylic acid, 



C12H14O4 



222 



Diethyl ester 







1,2-benzenedicarboxylic acid. 



C19H20O4 



312 



Butylphenylmethyl ester 







1,2-benzenedicarboxylic acid 



C22H34O4 



362 



Diheptyl ester 







1,2-benzenedicarboxylic acid, 



C24H38O4 



390 



Diisooctyl ester 







1,2-benzenedicarboxylic acid. 



C24H38O4 



390 



Bis(2-ethylhexyl ester) 







1,2-benznedicarboxylic acid, 



C26H42O4 



418 



Diisononyl ester 







1,2-benzenedicarboxylic acid. 



D,E 



>415 



Undeterniinded 







Explanation of remarks: 







A) Identity of the compound i 



s questionnable. This denotes a 



compound 



for which the most reasonable identity is listed; however, the EI library 

 search purity value is low owing to either the absence of characteristic 

 masses in the sample mass spectrum or the presence of additional 

 masses in the sample spectrum versus the library spectrum. 



