AC-21301 - 2-butanone-99-for-spectroscopy | 78-93-3

<p>It is used to replenish electrolytes and restore water electrolyte balance in treating hypokalemia. It is also used in buffers, fertilizers and explosives and finds useful advantages in medicine, scientific applications, and food processing. It plays an important role for the extraction and solubili</p>

<p>Manufacturing of photographic papers, process engraving and lithography, spectroscopy, as an analytical lab reagent. Potassium bromide is applied as a veterinary drug and antiepileptic medication for dogs. It is an utilitarian for the bromination of alkenes using cerium(IV) ammonium nitrate. It acts</p>

<p>This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Sci</p>

<p>For IR spectroscopy</p>

<p>Assay (GC) Min 99 %<br>Water (KF) Max 0.01 %<br>At 200 nm Min 20 %<br>At 210 nm Min 45 %<br>At 220 nm Min 80 %<br>At 250 nm Min 98 %<br>Residue after evaporation Max 0.0005 %<br>Acidity/alkalinity meq/g Max 0.00015<br>Density d20/4 0.681 -meq/g 0.687<br>Refractive index at 20°C 1.386 - 1.390<br>Aromatic compounds Max 0.001 %<br>Appearance Clear colourless liquid</p>

<p>Conductivity mS/cm Max 5<br>Gradient analysis (max eluted peak) A.U. Max 0.002<br>Residue after evaporation ppm Max 5<br>Residue after ignition % Max 0.0003</p>

<p>2x1kg</p>