| Assay (GC) |
≥ 99.8 % |
| Identity (IR) |
conforms |
| Identity B (Ph Eur) |
conforms |
| Identity C (Ph Eur) |
conforms |
| Appearance of solution |
conforms |
| Solubility in water |
conforms |
| Water-insoluble substances |
conforms |
| Color |
≤ 10 Hazen |
| Density (d 20 °C/20 °C) |
0.790 - 0.793 |
| Acidity or alkalinity |
conforms |
| Titrable acid |
≤ 0.0002 meq/g |
| Titrable base |
≤ 0.0002 meq/g |
| Related substances (GC) (Methanol (Impurity A)) |
≤ 0.05 % |
| Related substances (GC) (2-Propanol (Impurity B)) |
≤ 0.05 % |
| Related substances (GC) (Benzene (Impurity C)) |
≤ 2 ppm |
| Related substances (GC) (other impurity) |
≤ 0.05 % |
| Cyclohexane (residual solvent) (GC) |
≤ 0.01 % |
| Diacetone (GC) |
≤ 0.02 % |
| Ethanol (GC) |
≤ 0.01 % |
| Aldehydes (as formaldehyde) |
≤ 0.001 % |
| Substances reducing potassium permanganate (as O) |
≤ 0.00025 % |
| Reducing substances |
conforms |
| Chloride (Cl) |
≤ 100 ppb |
| Nitrate (NO₃) |
≤ 100 ppb |
| Phosphate (PO₄) |
≤ 100 ppb |
| Sulfate (SO₄) |
≤ 100 ppb |
| Ag (Silver) |
≤ 0.000002 % |
| Al (Aluminium) |
≤ 0.00005 % |
| As (Arsenic) |
≤ 0.000002 % |
| Au (Gold) |
≤ 0.000002 % |
| B (Boron) |
≤ 0.000002 % |
| Ba (Barium) |
≤ 0.00001 % |
| Be (Beryllium) |
≤ 0.000002 % |
| Bi (Bismuth) |
≤ 0.000002 % |
| Ca (Calcium) |
≤ 0.00005 % |
| Cd (Cadmium) |
≤ 0.000005 % |
| Co (Cobalt) |
≤ 0.000002 % |
| Cr (Chromium) |
≤ 0.000002 % |
| Cu (Copper) |
≤ 0.000002 % |
| Fe (Iron) |
≤ 0.00001 % |
| Ga (Gallium) |
≤ 0.000002 % |
| Ge (Germanium) |
≤ 0.000002 % |
| In (Indium) |
≤ 0.000002 % |
| Li (Lithium) |
≤ 0.000005 % |
| Mg (Magnesium) |
≤ 0.00001 % |
| Mn (Manganese) |
≤ 0.000002 % |
| Mo (Molybdenum) |
≤ 0.000002 % |
| Ni (Nickel) |
≤ 0.000002 % |
| Pb (Lead) |
≤ 0.00001 % |
| Sb (Antimony) |
≤ 0.000002 % |
| Sn (Tin) |
≤ 0.00001 % |
| Ti (Titanium) |
≤ 0.000002 % |
| Tl (Thallium) |
≤ 0.000002 % |
| V (Vanadium) |
≤ 0.000002 % |
| Zn (Zinc) |
≤ 0.00001 % |
| Zr (Zirconium) |
≤ 0.000002 % |
| Evaporation residue |
≤ 0.0005 % |
| Water |
≤ 0.05 % |