o-Xylene, also known as 1,2-dimethylbenzene, is an aromatic hydrocarbon widely used in the chemical and manufacturing industries. It is an isomer of xylene, along with m-xylene and p-xylene.
Basic Information About O-Xylene CAS 95-47-6
Purity, %：≥99%
CAS Number: 95-47-6
Appearance: Colorless liquid
Molecular Formula: C8H10
Molecular Weight: 106.17 g/mol
Odor: Aromatic sweet smell
Boiling Point: 144 °C
Melting Point: -25 °C
Density: 0.88 g/cm³
Flash Point: Approx. 17 °C
Solubility in Water: Slightly soluble
what is the Density of o-xylene CAS 95-47-6
One of the most important physical properties of o-xylene is its density.
The density of ortho xylene is 0.88 g/cm³.
| Temperature | Density |
|---|---|
| 20°C | 0.88 g/cm³ |
| 25°C | 0.875 g/cm³ |
Since the density of water is 1.0 g/cm³, o-xylene is lighter than water and will float on the surface of water in the event of a leak, rather than mixing with it. Understanding its density is crucial for spill response, transport packaging, and solvent formulation, and also helps related industries accurately convert the volume and weight of bulk aromatic solvents.
what is the Boiling Point of o-xylene CAS 95-47-6
1,2-Dimethylbenzene Boiling Point: 144°C (291.2°F)
Melting Point: -25°C
Due to its high boiling point, orthoxylene is used as a high-temperature solvent, in resin and coating manufacturing, chemical synthesis, and industrial cleaning formulations. Compared to other solvents, o-xylene evaporates more slowly, which helps improve the leveling and surface finish of paints and industrial coatings.
O-Xylene Solubility in Water
O-xylene is a colorless, flammable liquid with very low solubility in water, often described as practically insoluble.
| Solvent | Solubility |
|---|---|
| Water | Slightly soluble |
| Ethanol | Miscible |
| Ether | Miscible |
| Acetone | Miscible |
O-Xylene is a non polar aromatic hydrocarbon. Its solubility in organic solvents is much higher than its solubility in water. The solubility characteristics of 1,2-dimethylbenzene greatly affect its wastewater treatment, solvent mixing, chemical reactions and spill cleanup methods.
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ortho-xylene Uses in industry
1. Chemical intermediates:
Primarily used in the production of phthalic anhydride, o-xylene is a key raw material for plasticizers and alkyd resins.
2. Solvents:
Widely used in the printing, rubber, and leather industries. Diluents: Used in paints, varnishes, and coatings.
3. Polyester production:
Used in the production of polyester fibers and resins.
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