Hexamethyldisilazane Electronic/Cleanroom Grade Purine nucleobases 40% RETEST DATE

40% RETEST DATE

WATER DETERMINATION 0

01% RELATED COMPOUNDS (TOTAL IMPURITIES) 0

Test Specification Min Max ASSAY 24

Hexamethyldisilazane Electronic/Cleanroom Grade Purine nucleobases 40% RETEST DATETest Specification Min Max ASSAY (C[@6@]H[@19@]NSi[@2@]) 99. 00% REFRACTIVE INDEX 1. 405 1. 406 TRAILING IMPURITIES (AREA %) APPROX. 0. 1 % APPROX. 0. 1 % COLOR (APHA) 10 ABSORBANCE @ 270 nm 0. 25 TURBIDITY 1. 0 NTU WATER 50 ppm NONVOLATILE RESIDUE 3 ppm CHLORIDE (Cl) 2 ppm ARSENIC AND ANTIMONY 10 ppb ALUMINUM 100 ppb BARIUM 100 ppb BORON 100 ppb CADMIUM (Cd) 50 ppb CALCIUM (Ca) 100 ppb CHROMIUM (Cr) 100 ppb COBALT (Co) 20 ppb COPPER (Cu) 100 ppb