Methylnaphthalene(2-Methylnaphthalene) Molecular Formula: C11H10 CAS NO. :91-57-6 EINECS: 202-078-3 UN: 3077 9/PG 3 Main application: Used as a surfactant, water reducer, dispersant, drug etc. Raw materials for organic synthesis of pesticides, pharmaceuticals, dye intermediates, etc. Physicochemical properties: Appearance: slight yellow crystal or a slightly yellow transparent liquid Purity: >98% Refractive index: 1.6019 Stability: Stable. Incompatible with strong oxidizing agents. Flashing point: 208 °F Storage condition: warehouse ventilated at low temperature,stored separately from the oxidant. Melting point: 34-36 °C Density: 1.01 Water solubility: 0.00246g/mL Boiling point: 241-242ºC (lit.)