Tris(hydroxymethyl)aminomethane Ultrapure Acrylates 8 (clrlss)

8 (clrlss)

960 OPTICAL ROTATION -36� to -67� -36� to -67� EXPIRATION DATE

Test Specification Min Max TANTALUM 995 - 1005 ppm 995 - 1005 ppm EXPIRATION DATE

Test Specification Min Max ASSAY (as Sn ) 50

40% TIMOLOL RELATED COMPOUND F 0

Tris(hydroxymethyl)aminomethane Ultrapure Acrylates 8 (clrlss)Test Specification Min Max ASSAY (DRIED BASIS) 99. 8 100. 1 % 99. 8 100. 1 % pH OF A 5% AQUEOUS SOLUTION 10. 0 11. 5 10. 0 11. 5 MELTING POINT 168 172 C 168 172 C ABSORBANCE OF A 10 % SOLUTION @ 260 nm 0. 03 ABSORBANCE OF A 40 % SOLUTION @ 290 nm 0. 2 LOSS ON DRYING 1% RESIDUE ON IGNITION 0. 10% INSOLUBLE MATTER 0. 01% DNase(endo) NONE DETECTED NONE DETECTED RETEST DATE