Category:
Prophylactic Biological Products
CAS NO:
117-08-8
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Tetrachlorophtharic anhydride
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FENHE CHEMICAL CO., LIMITED
5
Years
Basic Info
CAS Number
117-08-8
Pharmacopoeia
In-house Standards
Grade
Pharmaceutical Grade
Is Manufacturer
No
Product Description
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AI Product Description
*The following content is generated by AI and is for reference only.
Tetrachlorophthalic anhydride, chemically known as 4,5,6,7-tetrachloro-1,3-isobenzofuranone, is a highly reactive chlorinated organic compound widely utilized in the synthesis of specialized industrial materials. Its molecular formula is C8Cl4O3, and it is identified by the CAS number 90-28-6. This white to pale yellow crystalline solid serves as a critical intermediate in the chemical industry, particularly for producing high-performance polymers and dyes.
The primary application of tetrachlorophthalic anhydride lies in the manufacture of heat-resistant and flame-retardant resins. When reacted with various polyols or diamines, it yields polyimides and polyamides that exhibit exceptional thermal stability, chemical resistance, and mechanical strength. These properties make the resulting polymers ideal for aerospace components, electronic circuit boards, and insulation materials used in harsh environments where standard plastics would fail. Furthermore, this compound is a key precursor in the production of specific phthalocyanine pigments. Due to its heavy chlorine substitution, these pigments offer superior lightfastness and weather resistance, finding extensive use in automotive coatings, printing inks, and high-grade artistic paints.
In the pharmaceutical sector, while less common than other intermediates, tetrachlorophthalic anhydride derivatives have been explored for their potential in synthesizing bioactive compounds, although safety protocols are strictly enforced due to the reactivity of the molecule. Handling this substance requires careful attention, as it can react vigorously with moisture to release hydrogen chloride gas. Storage should be maintained in cool, dry, and well-ventilated areas away from incompatible substances like strong bases and amines. Overall, tetrachlorophthalic anhydride remains an indispensable building block for advanced material science, bridging the gap between basic organic chemistry and high-tech engineering applications requiring durability under extreme conditions. Its unique structure allows for tailored modifications, ensuring continued relevance in developing next-generation functional materials across diverse technological fields.
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