| 熔点 | 30°C |
| 沸点 | 284-291 °C50 mm Hg(lit.) |
| 密度 | 0.831 g/mL at 25 °C(lit.) |
| 折射率 | n20/D 1.468(lit.) |
| 闪点 | 297 °F |
| 储存条件 | 2-8°C, protect from light, stored under nitrogen |
| 形态 | 粉末或结晶粉末 |
| 颜色 | 白色至类白色 |
| 比重 | 0.831 |
| 水溶解性 | Immiscible with water. |
| 敏感性 | Air Sensitive |
| 水解敏感性 | 8: reacts rapidly with moisture, water, protic solvents |
| BRN | 1776995 |
| InChI | InChI=1S/C24H51P/c1-4-7-10-13-16-19-22-25(23-20-17-14-11-8-5-2)24-21-18-15-12-9-6-3/h4-24H2,1-3H3 |
| InChIKey | RMZAYIKUYWXQPB-UHFFFAOYSA-N |
| SMILES | P(CCCCCCCC)(CCCCCCCC)CCCCCCCC |
| CAS 数据库 | 4731-53-7(CAS DataBase Reference) |
| EPA化学物质信息 | Phosphine, trioctyl- (4731-53-7) |