METHANOL FOR HPLC >=99.9%
|
|
Specifications
|
Synonym | Methyl alcohol |
Molecular Formula | CH3OH |
Molecular Weight | 32.04 |
CAS Number | 67-56-1 |
vapor density | 1.11 (vs air) |
vapor pressure | 410 mm Hg ( 50 °C) |
| 97.68 mm Hg ( 20 °C) |
assay | ≥99.9% |
autoignition temp. | 725 °F |
expl. lim. | 36 % |
total impurities | ≤0.0005% non-volatile matter |
| ≤1 ppb fluorescence (quinine) at 254 nm |
| ≤1 ppb fluorescence (quinine) at 365 nm |
| <0.03% water (Karl Fischer) |
evapn. residue | <0.0005% |
refractive index | n20/D 1.329(lit.) |
bp | 64.7 °C(lit.) |
mp | −98 °C(lit.) |
Fp | 52 °F |
density | 0.791 g/mL at 25 °C(lit.) |
λ | neat |
UV absorption | λ: 210 nm Amax: 0.50 |
| λ: 220 nm Amax: 0.30 |
| λ: 235 nm Amax: 0.10 |
| λ: 260 nm Amax: 0.01 |
|