25038-81-7

Basic information

• Product Name: POLY(PYROMELLITIC DIANHYDRIDE-CO-4,4'-OXYDIANILINE), AMIC ACID
• Synonyms: POLY(PYROMELLITIC DIANHYDRIDE-CO-4,4'-OXYDIANILINE), AMIC ACID;PYRE(R)-ML RC-5057;PYRE(R)-ML RC-5069;PYRE(R)-ML RK-692;PYRE-ML RC-5019;PYRE-ML(R) RC-5019;PYRE-ML(R) RC-5057;PYRE-ML(R) RC-5097
• CAS NO: 25038-81-7
• Molecular Formula: C22H14N2O7
• Molecular Weight: 418.35576
• Product Categories: Polymers;Amides and Imides;Hydrophobic Polymers;Polymer Science;Amides and Imides;Hydrophobic Polymers;Materials Science;Polymer Science
• Mol File: 25038-81-7.mol
• Article Data: 0

Chemical Properties

• Boiling Point: 174 °C
• Flash Point: 85 °F
• Appearance: /viscous liquid
• Density: 1.166 g/mL at 25 °C
• Refractive Index: n20/D 1.5120
• Storage Temp.: −20°C
• Solubility: H2O: miscible
• CAS DataBase Reference: POLY(PYROMELLITIC DIANHYDRIDE-CO-4,4'-OXYDIANILINE), AMIC ACID(CAS DataBase Reference)
• NIST Chemistry Reference: POLY(PYROMELLITIC DIANHYDRIDE-CO-4,4'-OXYDIANILINE), AMIC ACID(25038-81-7)
• EPA Substance Registry System: POLY(PYROMELLITIC DIANHYDRIDE-CO-4,4'-OXYDIANILINE), AMIC ACID(25038-81-7)

Safety Data

• Hazard Codes: T,Xn,Xi
• Statements: 45-65-36/38-20/21-10-36/37/38-61-46-52/53
• Safety Statements: 26-36-45-36/37-53-62-61
• RIDADR: UN 1866 3/PG 3
• WGK Germany: 1
• Hazardous Substances Data: 25038-81-7(Hazardous Substances Data)

Usage

Description

POLY(PYROMELLITIC DIANHYDRIDE-CO-4,4'-OXYDIANILINE), AMIC ACID is a polymer that can be converted to polyimide at 300°C. It has a carbonyl stretch of carboxylic acids at 1650 cm-1, which indicates its presence in the amic acid solution. The formation of the imide group is confirmed by the growth of the peak at 1720 cm-1 after the imidization process.

Uses

Used in High-Temperature Applications:
POLY(PYROMELLITIC DIANHYDRIDE-CO-4,4'-OXYDIANILINE), AMIC ACID is used as a precursor for polyimide, which is known for its excellent thermal stability and resistance to chemicals. This makes it suitable for applications that require materials to withstand high temperatures and harsh environments, such as aerospace, automotive, and electronics industries.
Used in Electronic Industry:
In the electronic industry, POLY(PYROMELLITIC DIANHYDRIDE-CO-4,4'-OXYDIANILINE), AMIC ACID is used as an insulating material for its high dielectric strength and low dielectric constant. This allows for improved performance and reliability in electronic devices, such as printed circuit boards and semiconductor devices.
Used in Aerospace Industry:
In the aerospace industry, POLY(PYROMELLITIC DIANHYDRIDE-CO-4,4'-OXYDIANILINE), AMIC ACID is used as a lightweight and high-temperature resistant material for various components, such as thermal protection systems, engine parts, and aerospace structures. Its excellent thermal stability and resistance to chemicals make it an ideal choice for these applications.
Used in Automotive Industry:
In the automotive industry, POLY(PYROMELLITIC DIANHYDRIDE-CO-4,4'-OXYDIANILINE), AMIC ACID is used as a high-performance material for various components, such as exhaust systems, turbochargers, and engine parts. Its ability to withstand high temperatures and resist chemicals makes it suitable for these demanding applications.