Hexanes SpectroSolv (TM) Cosmetic Biocides 50% as ASCORBIC ACID +

50% as ASCORBIC ACID + NIACINAMIDE 99

Test Specification Min Max ABSORPTION MAX 599 nm 599 nm

10% OTHER ALKYLATED PHENOTHIAZINES 0

633 nm Approx

PROCEDURE 2 NEGATIVE NEGATIVE MICROBIAL LIMITS: TOTAL AEROBIC MICROBIAL COUNT (TAMC) 100 cfu/g TOTAL YEAST AND MOLD COUNT (TYMC) 50 cfu/g ACIDITY 0

Hexanes SpectroSolv (TM) Cosmetic Biocides 50% as ASCORBIC ACID +Test Specification Min Max ASSAY (by GC) TOTAL HEXANES & METHYLCYCLOPENTANE 99% ASSAY (n HEXANE) 95% LIQUID CHROMATOGRAPHY TO PASS TEST TO PASS TEST ULTRAVIOLET ABSORBANCE (1 cm cell vs. water) TO PASS TEST TO PASS TEST COLOR (APHA) 10 RESIDUE AFTER EVAPORATION 0. 00% TITRABLE ACID (H[@2@]O SOLUBLE) 0. 3 ueq g SULFUR COMPOUNDS (as S) 0. 01% THIOPHENE TO PASS TEST TO PASS TEST