Specifications
|
grade | HPLC |
vapor density | 3.2 (vs air) |
vapor pressure | 22 mmHg ( 20 °C) |
| 26 mmHg ( 25 °C) |
assay | 99.9% |
autoignition temp. | 997 °F |
expl. lim. | 7 % |
total impurities | ≤0.0005% non-volatile matter |
| ≤0.0005% thiophene |
| ≤0.001% free acid (as HCl) |
| ≤0.02% water (Karl Fischer) |
transmittance 290 nm | ≥50% |
310 nm | ≥90% |
350 nm | ≥99% |
refractive index n/D | 1.496(lit.) |
bp | 110-111 °C(lit.) |
mp | -93 °C(lit.) |
density | 0.865 g/mL at 25 °C(lit.) |
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