Property | Value |
Synonyms | 2,2-Bis(trifluoromethyl)-4,5-dichloro-4,5-difluoro-1,3-dioxolane; Dioxolane 418; 4,5-Dichloroperfluoro(2,2-dimethyl-1,3-dioxolane); Perfluoro(4,5-dichloro-2,2-dimethyl-1,3-dioxolane) |
Molecular Formula | C₅Cl₂F₈O₂ |
Molecular Weight | 332.94 g/mol |
Appearance | Colorless to clear liquid |
Boiling Point | 85–86 °C (atmospheric pressure, some sources report ~122 °C at 760 mmHg) |
Density | ~1.8–1.9 g/cm³ (estimated from similar fluorinated dioxolanes) |
Boiling point | 121.9 ± 40.0 °C (Predicted) |
Description of 1,3-Dioxolane,4,5-dichloro-4,5-difluoro-2,2-bis(trifluoromethyl)-
1,3-Dioxolane, 4,5-dichloro-4,5-difluoro-2,2-bis(trifluoromethyl)- (CAS: 60644-92-0), commonly known as Dioxolane 418 or perfluoro(4,5-dichloro-2,2-dimethyl-1,3-dioxolane), is a highly fluorinated cyclic compound. It appears as a colorless to clear liquid with exceptional chemical and thermal stability due to its perfluorinated structure. This compound serves as a critical intermediate in the synthesis of amorphous perfluoropolymers.
Application of 1,3-Dioxolane,4,5-dichloro-4,5-difluoro-2,2-bis(trifluoromethyl)-
Key Intermediate for Polymers. Serves as the primary precursor for perfluoro(2,2-dimethyl-1,3-dioxole) (PDD) via dechlorination, enabling the production of amorphous perfluorinated copolymers.
Optical Fibers and Coatings. Used in the synthesis of transparent, low-refractive-index fluoropolymers ideal for optical fiber cladding, lenses, and anti-reflective coatings.
High-Performance Membranes. Incorporated into gas separation and pervaporation membranes with exceptional chemical resistance and permeability.
Semiconductor and Electronics Applications. Enables fluoropolymers for protective coatings, dielectrics, and components requiring ultra-low moisture absorption and high purity.
Specialty Coatings and Films. Contributes to durable, non-stick, and chemically inert coatings for harsh environments in chemical processing and aerospace.
Storage of 1,3-Dioxolane,4,5-dichloro-4,5-difluoro-2,2-bis(trifluoromethyl)-
It should be kept in a tightly sealed, original container in a cool, dry, well-ventilated area away from moisture, heat, and direct sunlight. Keep away from strong bases, oxidizing agents, and incompatible materials. The compound is stable under proper conditions, but avoid prolonged exposure to air or humidity to prevent any potential degradation.
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