HEXANE MIXTURE OF ISOMERS
|
|
Specifications
|
| grade | for HPLC |
| vapor density | 3 (vs air) |
| description | Mixture of hexane isomers plus methylcyclopentane |
| assay | ≥98.5% |
| autoignition temp. | 437 °F |
| expl. lim. | 7.5 % |
| total impurities | ≤0.0003 meq/g water-soluble titr. acid |
| ≤0.005% S compounds |
| ≤0.02% water |
| evapn. residue | <0.0005% |
| color | ≤10(APHA) |
| refractive index n20/D | 1.379(lit.) |
| bp | 68-70 °C(lit.) |
| mp | −95 °C(lit.) |
| density | 0.672 g/mL at 25 °C(lit.) |
| λ | H2O reference |
| UV absorption | λ: 195 nm Amax: 1.0 |
| λ: 210 nm Amax: 0.30 |
| λ: 220 nm Amax: 0.10 |
| λ: 230 nm Amax: 0.05 |
| λ: 240 nm Amax: 0.02 |
| λ: 250-400 nm Amax: 0.01 |
| suitability | passes test for HPLC |
|
