Ultraviolet Absorbance (1.00-cm cell vs. water): | 350 nm | max. 0.01 | 280 nm | max. 0.01 | 254 nm | max. 0.020 | 225 nm | max. 0.16 | UV Cut-off, nm | max. 205 | Assay (CH3CHOHCH3) | min. 99.7 % | Residue after Evaporation | max. 2 ppm | Water (by KF, coulometric) | max. 0.03 % | For Laboratory, Research or Manufacturing Use | |