Dioctyl terephthalate (DOTP) is an oily liquid with high transparency, a subtle odor, a linear structure, low migration rate, and non-toxic properties. It is making it the most commonly used and a cost-effective alternative to DOP. It is important to note that unlike DOP, DOTP does not belong to the phthalate family. Consequently, it is extensively employed as a softener in the manufacturing of a wide range of PVC products. It is crucial to mention that the use of DOTP is not prohibited in the euro area.
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chemical name: bis(2-ethylhexyl) terephthalate
Molecular weight: 390.564 g·mol−1
Chemical formula: C24H38O4
CAS Number: 6422-86-2
Properties | Value | Unit | Standard |
|---|---|---|---|
Appearance
| Colorless -
Clear Oily Liquid | – | Internal Method |
Color | Max 20 | HU | ASTM-D-1045-86 |
acidity | Max 0.02 | KOH mg/g | ASTM D-1045 |
amount of water | 0.1 | wt.% | ASTM-E-203 |
Refractive index | 1.444-1.450 | – | ASTM-D-1045-86 |
density | 0.984 | gr/cm³ | ASTM-D-1045-86 |
boiling point | 400 | c | Internal Method |
melting point | -45 | c | Internal Method |
flash point | 230 | c | Internal Method |
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