N-heptane
Usage：
Industrially, Heptane is used to manufacture various types of ink including printer ink, and stamp pad ink. Heptane is also used to produce cements, compounders, and hospital anesthetics. Heptane is also used to extract oil from vegetables as a cheaper and more environmentally friendly alternative to the traditional machine press method.
Typical Specifications:
| Item | Unit | Specs | Test result |
|---|---|---|---|
| Appearance (外观) | – | Clear and free from suspended matters | – |
| Saybolt color (赛波特色度) | – | +30 | +30 |
| Density @20℃ (密度@20℃) | g/cm³ | 0.68-0.69 | 0.682 |
| Purity (纯度) | %(m/m) | 99.00 min | 99.9173 |
| Benzene (苯) | %(m/m) | 10 max | 0 |
| Polycyclic aromatics (多环芳烃) | %(m/m) | To be tested | pass |
| Total sulfur (总硫) | mg/kg | <1 | 0.34 |
| Copper corrosion (铜腐，100℃, 2h) | – | 1a | – |
| Distillation range (馏程) | – | 92-98 | – |
| Initial boiling point (初馏点) | ℃ | ≥92 | 96 |
| Dry point (干点) | ℃ | ≤98.5 | 98 |
| Bromine index (溴指数) | mgBr/100g | <1 | 0.12 |
| Lead (重金属，以铅为例) | mg/kg | No | pass |
