Methanol(high performance liquid chromatogram reagent)
| Molecular Formula: CH3OH |
| Molecular Weight: 32.04 |
| Physical & chemical index |
| Assay |
≥99.9% |
| B.P. |
64.6-64.8°C |
| Density(20°C), g/ml |
0.79-0.794 |
| Refractive index(nD20) |
1.328-1.330 |
| Residue on evaporation, % |
≤0.001 |
| Acidity(H+), mmol/100g |
≤0.04 |
| Alkalinity(OH-), mmol/100g |
≤0.008 |
| Carbonyl compound(CO) |
≤0.002 |
| Potassium permanganate reducing substances |
Qualified |
| Water content(H2O), % |
≤0.02 |
| Wavelength nm |
Lowest light transmission % |
| 210nm |
≥28 |
| 220nm |
≥52 |
| 230nm |
≥75 |
| 240nm |
≥90 |
| 250nm |
≥95 |
| 260nm-300nm |
≥98 |
|
