Description

Polyimide-1 CAS NO 497926-97-3 is a high-performance polymer precursor or monomer, representing a critical building block for advanced polyimide materials. This compound is essential for synthesizing polyimides that offer exceptional thermal stability, mechanical strength, and chemical resistance. It is primarily needed by manufacturers in the electronics, aerospace, and advanced coatings industries for applications demanding reliability under extreme conditions.

Application

• Flexible Printed Circuit Boards (FPCs): As a key monomer for producing high-temperature, dimensionally stable polyimide films used as substrates.
• Semiconductor Packaging: For manufacturing stress buffer coatings and interlayer dielectrics in advanced chip packaging.
• High-Temperature Adhesives & Coatings: Serving as a raw material for adhesives and protective coatings in aerospace and automotive engine components.
• Optical Waveguides: Used in the synthesis of polyimides for optical communication devices due to controlled refractive index properties.
• Gas Separation Membranes: As a precursor for polyimide membranes used in industrial gas purification and separation processes.
• Advanced Composite Materials: For reinforcing fibers and matrices in high-performance composites for structural applications.

Basic Information

Product Name	Polyimide-1
CAS No.	497926-97-3
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	PI-1 Monomer; Polyimide Precursor 1; 4,4'-(Hexafluoroisopropylidene)diphthalic anhydride derivative; 6FDA-based diamine; BPDA monomer; Biphenyltetracarboxylic dianhydride intermediate; Thermoset polyimide resin intermediate; High-performance polymer monomer
EINECS	Contact for details

Quality Control

Our Polyimide-1 is produced under a stringent quality management system to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including identification, assay, and impurity profile analysis, to meet exacting customer specifications. Certificates of Analysis (COA) documenting all test results are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); the container must be kept tightly sealed to exclude moisture and prevent degradation. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white powder or crystals
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Heavy Metals	≤ 20 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.