135-Tris(2-propynyloxy)benzene Phosphines 20% RESIDUE AFTER EVAPORATION 1

20% RESIDUE AFTER EVAPORATION 1 mg/L ALL AROMATICS TO PASS TEST TO PASS TEST 2-BUTANONE 100 ng/mL ACETONE 50 ng/mL METHYL ISOAMYL KETONE 50 ng/mL ALL OTHER DETECTABLE KETONES 50 ng/mL DICHLOROMETHANE 50 ng/mL CHLOROFORM 50 ng/mL CARBON TETRACHLORIDE 50 ng/mL ALL OTHER DETECTABLE CHLOROHYDROCARBONS 50 ng/mL PENTANE 50 ng/mL HEXANE 50 ng/mL HEPTANE 50 ng/mL 2

000 EXPIRATION DATE STANDARDIZED AGAINST NIST

5 % each IDENTIFICATION SPEC MTCHS REFE SPEC MTCHS REFE EXPIRATION DATE DATE OF MANUFACTURE APPEARANCE RESIDUAL SOLVENTS AS REPORTED AS REPORTED

Test Specification Min Max ACTIVITY 100 USP units/mg 100 USP units/mg RETEST DATE

Test Specification Min Max PURITY 98

135-Tris(2-propynyloxy)benzene Phosphines 20% RESIDUE AFTER EVAPORATION 1