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What is the boiling point of o-Xylene (ortho-xylene)?

Jan 28, 2026 Leave a message

What is the boiling point of o-Xylene (ortho-xylene)?

The boiling point of o-xylene (ortho-xylene) is approximately 144.4 °C (291.9 °F) at standard atmospheric pressure, making it the isomer with the highest boiling point among the xylenes, slightly above m-xylene (around 139°C) and p-xylene (around 138°C).

 

CAS No.: 95-47-6
EC No.: 202-422-2
Linear Formula: C₈H₁₀
Molecular Weight: 106.17
Appearance: Transparent Liquid
Melting Point: -26--23 °C (lit.)
Boiling Point: 143-145 °C (lit.)
Density: 0.879 g/mL at 20 °C (lit.)
RIDADR: UN 1307 3/PG 3
Chemical Structure: Molecular Structure of o-Xylene

 

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Primarily used as a chemical raw material and solvent. o-Xylene can be used in the production of pharmaceuticals, such as vitamins. It can be used in the production of dyes, pesticides, and other products. Ortho-xylene can also serve as an additive for aviation gasoline. This chemical can also function as a solvent and auxiliary reactant.

 

 

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