We have a complete export service, experienced sales team and professional R&D team to provide Pyromellitic Dianhydride 89 32 7, C18H16N2O2, TPE-R OEM and ODM services.The solubility of pyromellitic dianhydride in water provided by us has excellent features, which make our product different from other similar products. Our corporate philosophy is: the pursuit of excellence as the goal, integrity service as the center, scientific management as the basis and the realization of value-oriented! We will strengthen the basic management, improve the quality of operation and build the core competitiveness. Our company's sales team is enthusiastic, professional and experienced. We are committed to providing our customers with exceptional value for their money. Our team is comprised of experienced professionals who are committed to delivering the highest-quality products and services.
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![99.5% Recrystallization PMDA]()
99.5% Recrystallization PMDAPyromellitic Dianhydride (PMDA), due to its rigid benzene ring structure and the highly reactive anhydride groups, can effectively participate in polymerization reactions to form stable imide bonds.read more -
![Pyromellitic Dianhydride]()
Pyromellitic DianhydridePyromellitic Dianhydride (CAS 89-32-7),We offer two grades of content: 98% and 99.5% .99.5% grade is the primary product for exporting. It is mainly used as a monomer for the synthesis of polyimideread more -
![Acrylamide Solution]()
Acrylamide SolutionAcrylamide aqueous solution is a solution containing acrylamide,It is generally obtained by directly dissolving acrylamide in an aqueous solution.read more -
![99.8% Recrystallization 4,4’-OXYDIANILINE]()
99.8% Recrystallization 4,4’-OXYDIANILINE4,4'-Oxydianiline, is also known as 4,4'-ODA and 4,4'-Diaminodiphenylether, due to its structure containing two active amine groups, it can efficiently react with acid anhydrides to form stable imideread more -
![Polyester Polyols For Polyurethanes]()
Polyester Polyols For PolyurethanesPolyester polyols are an important material for the manufacture of polyurethane hard foam insulation, soft foam, adhesives, elastomers, paints, inks, sealants, leather resins, shoe resins, TPU, andread more -
![Polymeric MDI]()
Polymeric MDIPoly[methylene(polyphenyl) isocyanate] is a diisocyanate-diphenylmethane(MDI)-based composition containing some higher functionality isocyanates. The functionality is about 2.6-2.7. It is a brownread more -
![1,3-Bis(4-aMinophenoxy)benzene]()
1,3-Bis(4-aMinophenoxy)benzene1, 3-bis (4-aMinophenoxy)benzene, TPE-R, CAS 2479-46-1, molecular formula C18H16N2O2, molecular weight 292.3318. It is a kind of chemical intermediate, containing two ether bonds and three benzeneread more -
![3,3’,4,4’-Biphenyl Tetracarboxylic Diandhydride]()
3,3’,4,4’-Biphenyl Tetracarboxylic Diandhydride3,3 ',4,4 '-Biphenyl tetracarboxylic diandhydride, also known as BPDA, CAS 2420-87-3, molecular formula C16H6O6, used in the production of polyimide products and composites, pharmaceuticalread more -
![Diphenylmethane]()
DiphenylmethaneDiphenylmethane (CAS 101-81-5), with a purity of 99.0% minimum, has aromatic properties and serves as an important intermediate in organic synthesis. It and its derivatives are widely used in variousread more -
![Acetoxime]()
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![Phthalic Anhydride]()
Phthalic AnhydridePhthalic anhydride (CAS 85-44-9), purity 99.5%. We can provide both OX-BASE PA and NP-BASE PA. Our OX-BASE PA exceeds the national standard for superior grade.read more -
![Fumaric Acid]()
Fumaric AcidFumaric acid (CAS 110-17-8). We can provide industrial grade, feed grade, and food grade. Feed and food grades are white crystalline powders that are non-adhesive, have good fluidity, and possess anread more
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Ring opening reactions of pyromellitic dianhydride for the synthesis …...
Sep 20, 2007 · For example, the reaction of nickel(II) acetate with pyromellitic dianhydride in the presence of 1,10-phenanthroline results in the formation of a carboxylato bridged nickel(II)...
Alfa Chemistry Materials Pyromellitic Dianhydride...
Pyromellitic Dianhydride, Solubility: Soluble in some organic solvents; In water, 130 mg/L @ 25 ? /Estimated/; Solubility in water: reaction Alfa Chemistry Materials product group: Polymer Science...
Pyromellitic Dianhydride 89-32-7 - TCI AMERICA...
Solubility (soluble in) Acetone, Dimethylformamide, Tetrahydrofuran ... IF ON SKIN: Wash with plenty of soap and water. P333 + P313 : If skin irritation or rash occurs: Get medical advice/ attention....
CAS Common Chemistry...
Pyromellitic dianhydride; Pyromellitic anhydride; View All. Deleted or Replaced CAS Registry Numbers. 7623-29-2, 159104-96-8. CAS Common Chemistry is provided under the Creative Commons CC BY-NC 4.0...
Pyromellitic dianhydride - NIST Chemistry WebBook...
All mass spectra in this site (plus many more) are available from the NIST/EPA/NIH Mass Spectral Library. Please see the following for information about the library and its accompanying search...
Pyromellitic dianhydride - NIST Chemistry WebBook...
Quantity Value Units Method Reference Comment; Δ r H°-71.5 ± 0.57: kJ/mol: Cm: Alekseev, Kizaev, et al., 1989: solid phase; solvent: Aqueous; Enthapy of ......
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