Ortho-xylene also known as o-Xylene is a colorless, flammable liquid with a sweet, aromatic odor, widely used as a solvent and petrochemical intermediate.
Physical Properties of Ortho-Xylene
Appearance: Colorless liquid
Molecular Weight: 106.17 g/mol
Formula: C6H4(CH3)2C6H4(CH3)2 or C8H10C8H10
Boiling Point: 144.4°C - 144.5°C
Melting Point: -25.2°C
Density: 0.880 g/cm33 at 20°C (less dense than water)
Solubility: Insoluble in water (0.02% at 20°C); miscible with alcohol, ether, and many organic solvents
Vapor Pressure: 7 mmHg at 20°C; 10 mmHg at 89.8°F
Vapor Density: 3.7 (Air = 1)
Flash Point: 30°C - 32°C (Closed-cup)
Autoignition Temperature: 869°F (465°C)
Viscosity: 0.812 cP at 20°C
Refractive Index: 1.5055 at 20°C
Key Applications of o-Xylene
Phthalic Anhydride Production: Ortho-xylene is the primary feedstock for the production of phthalic anhydride, which is then used to make plasticisers (for PVC), polyester resins, and alkyd resins.
Solvent: O-Xylene is an excellent solvent for paints, coatings, lacquers, inks, and pesticides due to its strong solvency power and controlled evaporation rate.
Pesticide and Dye Production:O-Xylene is used as an intermediate in the synthesis of various agricultural chemicals (e.g., pesticides) and dyestuffs.
Chemical Intermediate: O-Xylene is an important building block in the synthesis of other organic chemicals, contributing to a wide range of industrial products.
Specialty Polymers: Ortho-xylene is used in the production of certain specialized polymers and resins.
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Gneebio is a professional chemical raw materials supplier located in Henan Province, China. We have passed quality system certification and have self-managed import and export rights. Our products are popular with customers. As a leading global supplier, we deliver certified chemical raw materials that comply with REACH, RoHS, ISO and other international standards. Our robust monthly production capacity ensures consistent quality and a reliable supply for bulk orders.
