GCMS sample analysis results, AE11901, June 4, 2002

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Library Search Compound Report Data File : C:\MSDCHEM\1\DATA\O522O2\119O1.D Vial: 8 Acq On : 22 May 2002 7:31 pm Operator: Mclean Sample : 5/21 ad Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e ».* Quant Method : C:\MSDCHEM\1\METHODS\050102.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C: \DATABASE\NIST98 . L ********************************************************************* Peak Number 19 3-Isopropoxy-l,1,1,7,7,7-he... Concentration Rank 13 R.T. EstConc Area Relative .to ISTD R.T. 37.72 1.15 Ug/L 538748 Perylene-d12 34.66 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 3-Isopropoxy-1,1,1,7,7,7-hexamet... 576 C18H5207Si7 071579-69-6 3’7 2 3,6-Dioxa-2,4,5,7-tetrasilaoctan... 294 C10H3002Si4 004342-25-0 37 3 Trisiloxane, 1,1,1,5,5,5-hexamet... 384 C12H36O4Si5 003555-47-3 22 4 Pentasiloxane, dodecamethyl- 384 C12H3604Si5 000141-63-9 22 Abundance Scan 5895 (37.716 min): 11901 .D (-5876) (-) m/ z 73.05 100.00%

J 73 147 221

5000 281 355 429 —rw j — 44 191 37.40 37.60 37.80 38.00

m/z-> 0+111 . J. 1 50 100 1 150 200 I ... .'J.l,... l,i....... 250 300 350 400 450 • i ■ ■ ■ • i ■ ■ • ■ i ' • 500 550 m/? 147.10 96.91% Abundance #26784:3-lsopropoxy-1,1,1,7,7,7-hexamethyl-3,5,5-tris(tri... 73

5000 147 37.40 37.60 37.80 38.00 43 m/z 221.10 88.43% 221 281 327 415 - ............... .............. L, t 519 561 O-iegi / * miz-> 50 100 150 200 250 300 350 400 450 500 550 Abundance #87890:3,6-Dfoxa-2,4,5,7-tetrasilaoctane, 2,2,4,4,5,5,7,7... 147 zn 73 37.40 37.60 37.80 38.00 5000 m/z 281.00 49.40% 191 117 279

Tl/Z-> 45 Of-ra’i 1 r 50 L 4,1.249.1 ............................ — 100 150 200 250 300 350 400 450 500 550 Abundance #26961: Trisiloxane, 1,1,1,5,5,5-hexamethyl-3,3-bis[(trime... 73 147 37.40 37.60 37.80 38.00 m/z 355.00 38.10% 281 5000

45 - 369 0 ppp, -erm @TF1n’f nI r 112491 117 177310 341 ......................... r11 T’t 1’11r’11’*’+I1’ ’I**41* 1 1 I ■ ■ ■ ■ i • 1 ■ 1 1 1 1 1 1 1 1 1 1'1 1 m/z—> 50 100 150 200 250 300 350 400 450 500 550 37.40 37.60 37.80 38.00

11901.D 052202.M Tue May 28 12:05:55 2002 Page 22

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