4,4'-Bis-(4-carboxybutyryl)diphenylether, also known as 4,4'-(1,4-phenylenediisopropylidene)diphthalic acid, is a synthetic organic compound characterized by its molecular formula C20H18O8. This white crystalline solid is a derivative of diphenylether, featuring two phthalic acid moieties connected through an isopropylidene bridge. It is used as a monomer in the production of high-performance polymers, such as liquid-crystalline polymers and polyimides, due to its rigid, planar structure and ability to form strong intermolecular interactions. The compound is also valued for its thermal stability and chemical resistance, making it suitable for applications in aerospace, electronics, and other industries where materials with exceptional mechanical and thermal properties are required.
7072-73-3
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Basic information
- Product Name: 4,4'-Bis-(4-carboxybutyryl)diphenylether
- Synonyms:
- CAS NO:7072-73-3
- Molecular Formula:
- Molecular Weight: 398.412
- EINECS: N/A
- Product Categories: N/A
- Mol File: 7072-73-3.mol
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Chemical Properties
- Melting Point: N/A
- Boiling Point: N/A
- Flash Point: N/A
- Appearance: N/A
- Density: N/A
- Refractive Index: N/A
- Storage Temp.: N/A
- Solubility: N/A
- CAS DataBase Reference: 4,4'-Bis-(4-carboxybutyryl)diphenylether(CAS DataBase Reference)
- NIST Chemistry Reference: 4,4'-Bis-(4-carboxybutyryl)diphenylether(7072-73-3)
- EPA Substance Registry System: 4,4'-Bis-(4-carboxybutyryl)diphenylether(7072-73-3)
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Safety Data
- Hazard Codes: N/A
- Statements: N/A
- Safety Statements: N/A
- WGK Germany:
- RTECS:
- HazardClass: N/A
- PackingGroup: N/A
- Hazardous Substances Data: 7072-73-3(Hazardous Substances Data)
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7072-73-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 7072-73-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,0,7 and 2 respectively; the second part has 2 digits, 7 and 3 respectively.Calculate Digit Verification of CAS Registry Number 7072-73:
(6*7)+(5*0)+(4*7)+(3*2)+(2*7)+(1*3)=93
93 % 10 = 3
So 7072-73-3 is a valid CAS Registry Number.
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7072-73-3Downstream Products
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4,4'-Bis-(4-carboxybutyryl)diphenylether
