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Poly(3,3′,4,4′-benzophenonetetracarboxylic dianhydride-co-4,4′-oxydianiline/1,3-phenylenediamine), amic acid solution

CAS 31942-21-94Polymer Science

Poly(3,3′,4,4′-benzophenonetetracarboxylic dianhydride-co-4,4′-oxydianiline/1,3-phenylenediamine), amic acid solution (CAS 31942-21-9), molecular formula 4, is a high-purity chemical supplied by Tech Serve Solutions for polymer science applications, to pharmacopoeia specification (USP, BP, EP). Every batch is tested and ships with a Certificate of Analysis; MSDS and technical data sheets are available on request. Tech Serve Solutions has supplied laboratory reagents, fine chemicals and pharmaceutical intermediates worldwide since 1998.

Synonyms
4′-benzophenonetetracarboxylic dianhydride-co-44′-oxydianiline/13-phenylenediamine)amic acid solution31942-21-9
Poly(3,3′,4,4′-benzophenonetetracarboxylic dianhydride-co-4,4′-oxydianiline/1,3-phenylenediamine), amic acid solution
Amide Aromatic ResinsEngineering PolymersMaterials SciencePolymer SciencePolymers
01 /Properties
Boiling point159 °C(lit.)
Density1.06 g/mL at 25 °C(lit.)
Refractive indexn20/D 1.517(lit.)
Concentration19 wt. %±1 wt. % (1-methyl-2-pyrrolidinone/aromatic hydrocarbon (80:20))
Storage temperature−20°C
Impurities tested≤10 ppm total metals
ApplicationSemi-conductor material. Dielectric component in thin films, high density interconnect systems and multichip modules.
02 /Safety & handling
Transport (UN / ADR)UN 1866 3/PG 3
Water hazard class (WGK, DE)3
Anion traceschloride (Cl-): ≤5 ppm

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

03 /Identifiers & registry
CAS number
31942-21-9
MDL number
MFCD00217684
04 /Additional specifications
Transition TempTg >320 °C (imide)
Purified Byfiltration through 0.2μm medium
05 /Quality & supply

Documentation

Supplied to USP, BP and EP standards. Every batch ships with a Certificate of Analysis (assay, identity, purity); MSDS and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

06 /Frequently asked questions

What is Poly(3,3′,4,4′-benzophenonetetracarboxylic dianhydride-co-4,4′-oxydianiline/1,3-phenylenediamine), amic acid solution?

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Poly(3,3′,4,4′-benzophenonetetracarboxylic dianhydride-co-4,4′-oxydianiline/1,3-phenylenediamine), amic acid solution (CAS 31942-21-9), molecular formula 4, is a high-purity chemical supplied by Tech Serve Solutions for polymer science applications, to USP, BP and EP standards.

What grades of Poly(3,3′,4,4′-benzophenonetetracarboxylic dianhydride-co-4,4′-oxydianiline/1,3-phenylenediamine), amic acid solution does Tech Serve Solutions supply?

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Tech Serve Solutions supplies Poly(3,3′,4,4′-benzophenonetetracarboxylic dianhydride-co-4,4′-oxydianiline/1,3-phenylenediamine), amic acid solution in USP, BP, EP and reagent/AR grades. Custom specifications for nutraceutical or specialty pharmaceutical applications are available — contact our technical sales team.

What is the CAS number and molecular formula of Poly(3,3′,4,4′-benzophenonetetracarboxylic dianhydride-co-4,4′-oxydianiline/1,3-phenylenediamine), amic acid solution?

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Poly(3,3′,4,4′-benzophenonetetracarboxylic dianhydride-co-4,4′-oxydianiline/1,3-phenylenediamine), amic acid solution has CAS number 31942-21-9 and molecular formula 4. Full specifications appear in the table above and in the Certificate of Analysis.

What is the typical minimum order quantity and lead time for Poly(3,3′,4,4′-benzophenonetetracarboxylic dianhydride-co-4,4′-oxydianiline/1,3-phenylenediamine), amic acid solution?

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Sample quantities are available for technical evaluation; bulk MOQ depends on grade and packaging. In-stock material typically ships in 7–10 working days; custom-spec orders take 3–4 weeks. Tech Serve Solutions ships worldwide with full export documentation.

Do you provide a Certificate of Analysis (CoA) with each shipment?

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Yes. Every batch of Poly(3,3′,4,4′-benzophenonetetracarboxylic dianhydride-co-4,4′-oxydianiline/1,3-phenylenediamine), amic acid solution ships with a Certificate of Analysis covering assay, identity and purity tests, plus pharmacopoeia conformance where applicable. MSDS and TDS documents are available on request before order placement.

How should Poly(3,3′,4,4′-benzophenonetetracarboxylic dianhydride-co-4,4′-oxydianiline/1,3-phenylenediamine), amic acid solution be stored?

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Store Poly(3,3′,4,4′-benzophenonetetracarboxylic dianhydride-co-4,4′-oxydianiline/1,3-phenylenediamine), amic acid solution in its original sealed container in a cool, dry place away from direct sunlight and incompatible materials, in line with the storage guidance on the Safety Data Sheet. Reseal between dispensings.

What is Poly(3,3′,4,4′-benzophenonetetracarboxylic dianhydride-co-4,4′-oxydianiline/1,3-phenylenediamine), amic acid solution used for?

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Poly(3,3′,4,4′-benzophenonetetracarboxylic dianhydride-co-4,4′-oxydianiline/1,3-phenylenediamine), amic acid solution is used in polymer science applications across pharmaceutical, research and industrial settings. Our technical team can advise on suitability for your specific process.

How do I request a quote for Poly(3,3′,4,4′-benzophenonetetracarboxylic dianhydride-co-4,4′-oxydianiline/1,3-phenylenediamine), amic acid solution?

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Request a quote with your required grade, quantity and destination via https://www.techservesolutions.in/contact or email info@techservesolutions.in. We respond with specifications, a Certificate of Analysis and pricing.

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