4-[(1,3-dioxo-2-benzofuran-5-yl)oxy]-2-benzofuran-1,3-dione 4-((1,3-Dioxo-1,3-dihydroisobenzofuran-5-yl)oxy)isobenzofuran-1,3-dione 2,3,3',4'-Diphenyl ether tetracarboxylic acid dianhydride
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Common name: 3,4'-Oxydiphthalic Anhydride
Category:Fine chemicals
Other name: 2,3,3',4'-Diphenyl ether tetracarboxylic acid dianhydride
CAS No.: 50662-95-8
EINECS No.: 805-890-1
Appearance: Powder
Molecular formula: C16H6O7
Brand Name: Colorcom
Shelf Life: 2 Years
Place of Origin: China
Product Specification:
Molecular Weight |
310.21 |
Boiling point |
554.4±35.0 °C(Predicted) |
Melting point |
180 °C |
Density |
1.665 |
Purity |
≥99.0% |
PH |
/ |
Acidity coefficient (pKa) |
/ |
Soluble |
/ |
Water solubility |
/ |
Color |
White |
Product Description:
3,4'-Oxydiphthalic Anhydride is usually a white to light - yellow crystalline solid. Structurally, it consists of two phthalic anhydride units connected by an oxygen atom, forming an ether - linked structure. This unique structure imparts specific properties to the molecule.?
It has low solubility in non - polar solvents but dissolves well in polar organic solvents like N,N - dimethylformamide (DMF) and dimethyl sulfoxide (DMSO). It's sensitive to moisture; the anhydride groups can hydrolyze in the presence of water, transforming into the corresponding carboxylic acids.?
Under normal storage, it's stable when dry, yet high temperatures or strong acids/bases can cause decomposition. In organic synthesis, it serves as an important building block for creating complex molecules. In materials science, it's used to synthesize high - performance polymers, enhancing their thermal stability and mechanical properties. To keep its quality, store it in a cool, dry place, away from light, moisture, and strong chemicals.
Application:
3,4'-Oxydiphthalic Anhydride is crucial in organic synthesis as a building block for constructing complex molecules. In materials science, it's used to synthesize high - performance polymers, enhancing their thermal stability and mechanical strength. It enables the formation of polymers with improved heat - resistance and durability, finding applications in aerospace, electronics, and automotive industries for components requiring such properties.
Package: 25kg/drum or bag
Storage: Inert atmosphere, Room Temperature
Executive Standards: International Standard.
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