Dimethyl Sulfoxide 4 L Photrex&Reg; Reagent, Case Of 4

Details:

Specifications formula: (ch3)2soformula weight: 78.13Cas number: 67-68-5description: for spectrophotometrymeets a.C.S. Specificationsappearance passes testassay ((ch3)2so) (by gc, corrected for water) min. 99.9 %Residue after evaporation max. 0.002 %Titrable acid (meq/g) max. 0.001Water (by kf, coulometric) max. 0.1 %Ultraviolet absorbance (1.00-Cm cell vs. Water) (curve smooth throughout stated range with no extraneous impurity peaks):400-350 nm max. 0.01330 Nm max. 0.02310 Nm max. 0.06290 Nm max. 0.18270 Nm max. 0.40&Nbsp;product information (not specifications):windows of infrared transmittance (0.1-Mm path, 50-100% t), µm: 2.0 - 2.3 2.4 - 3.2 3.7 - 5.0 5.1 - 6.7 7.9 - 8.7 11.4 - 13.8