1-Methyl-2-pyrrolidinone Electronic/Cleanroom Grade Chalcones Test Specification Min Max ABSORPTION

Test Specification Min Max ABSORPTION MAX 611 - 620 nm 611 - 620 nm

Test Specification Min Max ASSAY (Bi[@2@]O[@3@]

01% ORGANIC IMPURITIES TO PASS TEST TO PASS TEST ELEMENTAL IMPURITIES: COPPER (Cu) AS REPORTED AS REPORTED IDENTIFICATION TO PASS TEST TO PASS TEST EXPIRATION DATE DATE OF MANUFACTURE APPEARANCE RESIDUAL SOLVENTS TO PASS TEST TO PASS TEST

Test Specification Min Max ASH CONTENT 5% LOSS ON DRYING 10%

00% EXPIRATION DATE

1-Methyl-2-pyrrolidinone Electronic/Cleanroom Grade Chalcones Test Specification Min Max ABSORPTIONTest Specification Min Max ASSAY (C[@5@]H[@9@]NO) 99. 50% COLOR (APHA) 50 WATER 0. 05% FREE AMINES 0. 01% CHLORIDE (Cl) 1 ppm PHOSPHATE (PO[@4@]) 5 ppm ARSENIC (As) 0. 1 ppm ANTIMONY (Sb) 0. 1 ppm ALUMINUM 0. 3 ppm BORON (B) 0. 3 ppm CHROMIUM (Cr) 1 ppm COPPER (Cu) 0. 3 ppm GOLD (Au) 0. 3 ppm IRON (Fe) 0. 3 ppm LEAD (Pb) 0. 3 ppm MAGNESIUM (Mg) 0. 3 ppm MANGANESE (Mn) 0. 3 ppm NICKEL (Ni) 0. 3 ppm POTASSIUM (K) 0. 3 ppm SODIUM (Na) 0. 3 ppm TIN (Sn)