Chemical Name: 4,4′-(Ethyne-1,2-diyl)diphthalic Anhydride
CAS No.: 129808-00-0
Molecular Fomula: C18H6O6
Molecular weight: 318.24
Appearance: Powder crystals
4,4′-(Ethyne-1,2-diyl)diphthalic Anhydride CAS 129808-00-0
Description
4,4′-(Ethyne-1,2-diyl)diphthalic Anhydride Quick Details
Chemical Name: 4,4′-(Ethyne-1,2-diyl)diphthalic Anhydride
CAS No.: 129808-00-0
Molecular Fomula: C18H6O6
Chemical Structure: 
Molecular weight: 318.24
Appearance: Powder crystals
4,4′-(Ethyne-1,2-diyl)diphthalic Anhydride Typical Properties
| ITEMS | SPECIFICATION |
| Melting point | 350 ° C (dec.) |
| Boiling point | 633.9 ± 40.0 ° C (Predicted) |
| Density | 1.65 ± 0.1 g/cm3 |
| Form | Powder Crystal |
| Color | White to orange and then green |
4,4′-(Ethyne-1,2-diyl)diphthalic Anhydride application
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High-performance monomer for the synthesis of heat-resistant polyimides.
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Key intermediate for thermosetting resins with high glass transition temperatures (Tg).
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Used in the production of advanced aerospace composite materials.
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Essential component for microelectronics and electronic packaging films.
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Improves the thermal stability and mechanical strength of polymer coatings.
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Applied in the development of gas separation membranes and fuel cell materials.
4,4′-(Ethyne-1,2-diyl)diphthalic Anhydride Packaging and Shipping
1kg or 25kg, customized according to customer needs.
4,4′-(Ethyne-1,2-diyl)diphthalic Anhydride Storage
It should be stored in a clean, dry and cool place, preventing from sunlight, rain.