Molecular formula ：C24H38O4
Molecular weight ： 390.56 DOTP is dioctyl terephthalate, it is a main plasticizer. It offers good cooling and heat resistance, it can be used as plasticizer of PVC abd PE cable, it can work with DOP in any ratio. It also can reduce viscosity and increase keeping life.
Quality index ：
| Index name |
Excellent grade |
First grade |
Qualified |
| Appearance |
Transparent, no visible impurities oily liquid |
| Color number(APHA) |
≤ |
30 |
200 |
yellow |
| Flash point (open cup) ℃ |
≥ |
210 |
205 |
| Water content % |
≤ |
0.10 |
0.15 |
| Acid number (To terephthalate) % |
≤ |
0.1 |
0.2 |
0.2 |
| Ester content % |
≥ |
99.5 |
99.0 |
99.0 |
| Volume resistivity (Ω·m) |
≥ |
2×1010 |
1×1010 |
0.5×109 |
| Density（20℃）g/ml |
|
0.981-0.986 |
|
