Diethylene glycol monomethyl ether

Chinese name: diethylene glycol monomethyl ether, diethylene glycol monobutyl ether, diethylene glycol butyl ether English name: 2- (2-Butoxyethoxy) ethanol Formula: C8H18O3 Molecular Weight: 162.23 1. Appearance: colorless liquid, slightly fragrant. 2. The density (g / mL, 20 / 20oC): 0.9536 3. Melting point (oC): - 68 4. Boiling point (oC, atmospheric pressure): 231 5. The index of refraction (20oC): 1.4316 6. Viscosity (mPa · s , 20oC): 6.49 7. Flash Point (oC, opening): 93 8. Flash Point (oC, closed): 78 9. Flash point (oC): 227 10. evaporative heat (KJ / mol, bp): 41.9 11. Specific heat capacity (KJ / (kg · K), 20oC, constant pressure): 2.29 12. The vapor pressure (kPa, 20oC): 0.001 13. vapor pressure (kPa, 109oC): 1.33 14. vapor pressure (kPa, 145oC): 6.67 15. The volume expansion coefficient (K, 10 ~ 30oC): 0.00087 16. upper explosive limit (%, V / V): 6.2 17. Lower Explosive Limit (%, V / V): 0.9 18. Solubility: miscible with water, dissolves grease, dyes, natural resins, cellulose. Partially dissolved polyvinyl acetate, cellulose acetate, polystyrene, polymethyl methacrylate is not dissolved. 19. The relative density (20 ℃, 4 ℃): 0.9553 20. normal refractive index (n): 1.4306 21. normal refractive index (n): 1.4270 22. melt phase standard (J · mol · K): 355.9 Chemical nature colorless flammable liquid. Butyl with a pleasant odor. Dissolved in water, alcohol, ether, oil and many organic solvents. Use 1 as solvent and intermediate in the synthesis of plastics nitrocellulose, varnishes, printing inks, oils, resins, etc., but also for paint and ink into a film. 2. The main solvent used for the aspect paints, dyes, resins, etc., are also used as intermediates hydraulic brake fluid diluent and plasticizer, in addition to a compound for the production of piperonyl butoxide group.