AC-41125 - n-heptane-99-for-spectroscopy | 142-82-5

<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>