we offer ortho xylene. o-xylene (ortho-xylene) is an aromatic hydrocarbon, based on benzene with two methyl substituents bonded to adjacent carbon atoms in the aromatic ring. product information assay (%) min 98% molecular weight 106.17 purity (%) 98% cas no 95-47-6 chemical formula c8h10 molar mass 106.17 g·mol−1 physicochemical information density 0.88 gml melting point −24 °c boiling point 144.4 °c explosion limit 0.9%-6.7% refractive index 1.50545 vapor pressure 7 mmhg (20°c) solubility 0.02% (20°c) in water flash point 32 °c