3-(Dimethylamino)phenylboronic Acid Hydrochloride (contains varying amounts of Anhydride) size:5 GM 2M TRACEABLE TO NIST pH

2M TRACEABLE TO NIST pH @ 25[dC 7

Test Specification Min Max ASSAY (w/w) 67 - 70% 67 - 70% ALUMINUM 20 ppt ANTIMONY (Sb) 10 ppt ARSENIC (As) 20 ppt BARIUM 10 ppt BERYLLIUM (BE) 10 ppt BISMUTH 10 ppt BORON 20 ppt CADMIUM (Cd) 10 ppt CALCIUM (Ca) 20 ppt CERIUM 10 ppt CESIUM 10 ppt CHROMIUM (Cr) 20 ppt COBALT (Co) 10 ppt COPPER (Cu) 20 ppt DYSPROSIUM 1 ppt ERBIUM 1 ppt EUROPIUM 1 ppt GADOLINIUM 1 ppt GALLIUM (Ga) 10 ppt GERMANIUM 10 ppt GOLD 20 ppt HAFNIUM 10 ppt HOLMIUM 1 ppt INDIUM 1 ppt IRON 20 ppt LANTHANUM 1 ppt LEAD (Pb) 10 ppt LITHIUM 10 ppt LUTETIUM 1 ppt MAGNESIUM (Mg) 10 ppt MANGANESE (Mn) 10 ppt MERCURY 100 ppt MOLYBDENUM (Mo) 10 ppt NEODYMIUM 1 ppt NICKEL (Ni) 50 ppt NIOBIUM 1 ppt PALLADIUM 20 ppt PLATINUM 20 ppt POTASSIUM 10 ppt PRASEODYMIUM 1 ppt RHENIUM 10 ppt RHODIUM (Rh) 10 ppt RUBIDIUM (Rb) 10 ppt RUTHENIUM 10 ppt SAMARIUM 1 ppt SCANDIUM 10 ppt SELENIUM (Se) AS REPORTED AS REPORTED SILVER 10 ppt SODIUM (Na) 10 ppt STRONTIUM (Sr) 10 ppt TANTALUM AS REPORTED AS REPORTED TELLURIUM 1 ppt TERBIUM 1 ppt THALLIUM (Tl) 10 ppt THORIUM 1 ppt THULIUM 1 ppt TIN (Sn) 20 ppt TITANIUM (Ti) 10 ppt TUNGSTEN 10 ppt URANIUM 1 ppt VANADIUM 10 ppt YTTERBIUM 1 ppt YTTRIUM 1 ppt ZINC (Zn) 20 ppt ZIRCONIUM 10 ppt EXPIRATION DATE

Test Specification Min Max BOILING RANGE 151 - 301

00% COPPER 0

20% ENANTIOMERIC PURITY 2% ORGANIC IMPURITIES TO PASS TEST TO PASS TEST ELEMENTAL IMPURITIES 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

3-(Dimethylamino)phenylboronic Acid Hydrochloride (contains varying amounts of Anhydride) size:5 GM 2M TRACEABLE TO NIST pH