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Specifications of 4-Fluorophthalic anhydride丨CAS 319-03-9
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Appearance |
White powder |
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Purity |
98.0% min |
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Identification |
H-NMR |
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Water |
0.5% max |
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Melting point |
75-78ºC |
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Relative substance |
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Single impurity |
0.5% max |
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Total impurities |
2.0% max |
Transport Information of 4-Fluorophthalic anhydride丨CAS 319-03-9
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Parameter |
Specification |
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UN Number |
2811 |
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Class |
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Packing Group |
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H.S. Code |
2917201000 |
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Stability & Reactivity |
The product is chemically stable under standard ambient conditions. |
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Storage |
Tightly closed. Store in a closed, dry, ventilated place |
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Condition to Avoid |
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Package |
Applications of 4-Fluorophthalic anhydride丨CAS 319-03-9
1. Polymer and Resin Manufacturing
Used as a monomer or building block in the synthesis of specialty polymers and resins, especially polyimides.
The fluorine substituent imparts unique properties like chemical resistance, thermal stability, and hydrophobicity to the resulting polymers.
Applied in the production of high-performance plastics for electronics, aerospace, and automotive industries.
2. Intermediate in Organic Synthesis
Serves as a key chemical intermediate for synthesizing various fluorinated compounds.
Used to prepare fluorinated dyes, pharmaceuticals, and agrochemicals by facilitating functional group transformations.
The anhydride group allows reaction with amines and alcohols to form imides and esters.
3. Specialty Chemical Production
Employed in making cross-linking agents and curing agents for coatings and adhesives.
Utilized in developing fluorinated materials with improved performance characteristics.
Benefits
✅ Enhanced Chemical and Thermal Stability
Fluorine substitution increases resistance to oxidation, hydrolysis, and thermal degradation.
✅ Improved Hydrophobicity
Fluorine atoms impart water and oil repellency to polymers and coatings derived from this compound.
✅ Versatility as a Chemical Intermediate
Reactive anhydride functionality facilitates diverse chemical reactions, enabling broad synthetic utility.
✅ Enables Development of High-Performance Materials
Polymers and coatings derived from 4-fluorophthalic anhydride find use in demanding environments due to their enhanced durability.
Summary
4-Fluorophthalic anhydride丨CAS 319-03-9 is a fluorinated aromatic anhydride widely used as a building block in polymer synthesis, organic intermediates, and specialty chemical production. Its unique properties stemming from the fluorine substituent enable the creation of high-performance materials with enhanced thermal stability, chemical resistance, and hydrophobicity, valuable in advanced industrial applications.
