Melting point of p-xylene:
The melting point of p-xylene is 13.2 °C, which is notably higher than the melting points of o-xylene and m-xylene. This means the material is prone to solidifying in low-temperature environments, which is a major consideration for bulk storage and transportation in winter. Consequently, most purchasers require temperature-controlled logistics solutions to prevent p-xylene from crystallising during transit and storage.
The boiling point of p-xylene is 138.4 °C.
At atmospheric pressure, p-xylene has a boiling point of 138.4 °C. This stable thermal property makes it well-suited to high-temperature industrial reactions. Paraxylene is particularly applicable in oxidation processes used to produce terephthalic acid (PTA) and dimethyl terephthalate (DMT), two core products in the polyester manufacturing chain for which p-xylene is a primary raw material.
P-Xylene (Paraxylene) Properties
| Chemical Name | p-Xylene (Para-Xylene) |
| CAS Number | 106-42-3 |
| Melting Point | ~13.2 °C |
| Boiling Point | ~138.4 °C |
| Appearance | Colorless liquid (solidifies below 13 °C) |
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