Difluoroethylene - 10

Publish Date: 30-11-2016 12:16:36 | Contact name: Frank | Location: CHINA | Place: Room J, 2nd Floor, No.16, Lane 727 Fuping Road, Putuo Dist, Shanghai 200333, China | 1 times displayed |




DifluoroethyleneProduct descriptionVinylidene fluoride (VDF) is normally colorless, nontoxic, and flammable, and has slight smell of ether. It is one of important monomers of fluoro high polymer materials with common gender of olefin, and capable of polymerizing and copolymerizing. It is used for preparation of monomer or polymer and synthesis of intermediate Execution standard: Q/0321DYS 007-2010Technical Index≤ ltemUnitlndexHigh-grade ProductFirst- grade ProductQualified productAppearance∕ Colorless flammable gas, with slight smell of etherPurity,≥ %99.9999.999.5Moisture,≤ ppm100100100ppm303030Acidity(based on HCL),≤ mg/kgNo1030Physical and Chemical ProperityltemUnitlndexChemical  Name/1.1-DifluoroethyleneC A S/75-38-7Molecular Formula/CH₂=CF₂Structural Formula/CH₂=CF₂Molecular Weightg/mol64.0Boiling Point (101.3Kpa)℃ -85.7Fusion Point℃ -144Critical Temperature℃ 29.7Critical PressureKpa4458.3Liquid Density (23.6℃)g/ml0.617Steam Pressure (20℃)Kpa3594.33Explosion Limit in Air (Volume)%5.5-21.3Toxicity LC₅₀ppm128000Danger Label/4(Flammable gas)ApplicationVinylidene fluoride (VDF), as important fluorine-containing monomer, com prepare polyvinylidene fluoride resin (PVDF) through single polymerization, and prepare F26 fluororubber through polymerizing with perfluoropropene, or F246 fluororubber by polymerizing with tetrafluoroethylene and perfluoropropene .It can also be used for preparing fluorine solfonic acid compounds as pesticide and special solventPackaging, Transportation and Storage1.Vinylidene fluoride (VDF) must be stored in a tank with an interlayer which is charged with chilled saline, keeping the chilled saline supply without breakage.2.Vinylidene fluoride (VDF) is forbidden charging into steel cylinders. If needing steel cylinders for packaging, it must use special steel cylinders made from low-temperature resistance materials.3.Steel cylinders charged with vinylidene fluoride(VDF)should be equipped with safety caps that are tightly screwed in transportation, keeping from fire, Should utilize sunshade device when transported in summer, protecting it from exposure to sun ,The steel cylinders must be load and unloaded lightly, keeping from vibration and collision.

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