Specifications
|
vapor density | 1.41 (vs air) |
vapor pressure | 72.8 mmHg ( 20 °C) |
assay | ≥99.9% |
autoignition temp. | 973 °F |
expl. lim. | 16 % |
measuring range | ≤12 mAU baseline drift (210 nm) |
total impurities | ≤0.0001% free alkali (as NH3) |
| ≤0.0002% non-volatile matter |
| ≤0.001% free acid (as CH3COOH) |
| ≤0.01% water (Karl Fischer) |
| ≤0.5 ppb fluorescence (quinine) at 254 nm |
| ≤0.5 ppb fluorescence (quinine) at 365 nm |
halogenated residue | 10 ng/L (as heptachlor epoxide) |
transmittance | 195 nm ≥80% |
| 200 nm ≥95% |
| 228 nm ≥99% |
refractive index n20/D | 1.344(lit.) |
bp | 81-82 °C(lit.) |
mp | −48 °C(lit.) |
Fp | 42 °F |
density | 0.786 g/mL at 25 °C(lit.) |
abs. | HPLC-gradient/210 nm ≤1 mAU |
| HPLC-gradient/254 nm ≤0.2 mAU |
λ | H2O reference |
UV absorption | λ: 195 nm Amax: 0.100 |
| λ: 200 nm Amax: 0.020 |
| λ: 228 nm Amax: 0.005 |