N-PENTANE 99% AR
| Product Code | B-01944 | BRAND | Bio-Chem |
|---|---|---|---|
| Grade | CAS No | 109-66-0 | |
| Molecular Formula | C5H12 | Molecular Weight | 72.15 |
| H.S.Code | 2901.29900 | Shelf Life | 60 Months |
| Purity | 99 % |

Physical Properties
| Physical state at 20 °C | Liquid | Colour | Clear Colorless |
|---|---|---|---|
| Odour | Mild odor,gasoline-like,pleasant odor | Melting point/ Freezing point [°C] | -130 °C |
| Auto-ignition temperature [°C] | 260 °C | Flash point [°C] | -49 °C |
| Boiling point [°C] | 35 - 36 °C | Evaporation rate | 28.6 |
| Vapour pressure mm/Hg | 514 mm Hg @ 25 deg C | Vapour density | 2.5 |
| Density [g/cm3] | 0.62 | Solubility in water [% weight] | 0.04% at 20°C |
| Partition coefficient Log Pow octanol / water at 20°C | 3.39 | Explosion limits -lower [%] | 1.40% |
| Explosion limits - upper [%] | 8.30 % | Vapour pressure [20°C] | 579 hPa at 20 °C |
Packaging

Specification
| Appearance | A clear colorless liquid |
| Assay (GC area %) | Min 99% |
| Weight/ mL at 20°C | 0.625 – 0.626 g |
| Bromine number | Max 0.5 |
| Refractive index (20°C; 589 nm) | 1.357 – 1.358 |
| Water (H2O) | Max 0.02% |
| Acidity ( as C4H9COOH) | Max 0.001% |
| Non volatile matter | Max 0.002% |
| Sulphur compounds (as CS2) | Max 0.0003% |
| Copper (Cu) | Max 0.00002% |
| Iron (Fe) | Max 0.00005% |
| Lead (Pb) | Max 0.00002% |
| Substance darkened by H2SO4 | Passes test |
Safety Information and Hazard Symbols

Symbol: GHS02, GHS07, GHS08, GHS09
Signal Word: Danger
UN No.: 1265
IMCO Class No.: 3
Packing Group: II
Hazardous Statement: H225-H304-H336-H411
Precaution Statement: P210-P261-P273-P301 + P310-P331
