Description

5,5-Binaphthaline -1,1 ,4,4 ,8,8 -Hexacarbonic Acid, 1,8,1 ,8 Dianhydride is a high-purity, multifunctional aromatic dianhydride monomer, CAS NO 103489-84-5. This compound is a critical building block for the synthesis of advanced polyimides and other high-performance polymers, offering exceptional thermal stability and mechanical properties. It is essential for manufacturers and R&D facilities in the electronics, aerospace, and specialty coatings industries seeking to develop next-generation materials.

Application

• Polyimide Synthesis: A key monomer for producing high-temperature, high-strength polyimide resins and films used in flexible printed circuits (FPC) and semiconductor insulation layers.
• Advanced Polymer Composites: Serves as a cross-linking agent or co-monomer in epoxy and other thermoset systems for aerospace and automotive components requiring extreme durability.
• Liquid Crystal Polymers (LCPs): Used in the development of LCPs for high-frequency electronic connectors and miniaturized components.
• Optoelectronic Materials: A precursor for organic semiconductors and charge-transport materials in OLEDs and photovoltaic devices.
• Specialty Coatings & Adhesives: Imparts heat resistance and chemical inertness to protective coatings for industrial and electronic applications.
• Pharmaceutical Intermediates: Employed in the synthesis of complex organic molecules for pharmaceutical research and active pharmaceutical ingredients (APIs).
• Academic & Industrial R&D: A valuable reagent for material science research focused on novel polymer architectures and organic synthesis.

Basic Information

Product Name	5,5-Binaphthaline -1,1 ,4,4 ,8,8 -Hexacarbonic Acid, 1,8,1 ,8 Dianhydride
CAS No.	103489-84-5
Molecular Formula	C34H12O12
Molecular Weight	612.46 g/mol
Synonyms	5,5'-Binaphthalene-1,1',4,4',8,8'-hexacarboxylic 1,8:1',8'-dianhydride; 1,1',4,4',8,8'-Hexacarboxy-5,5'-binaphthyl Dianhydride; BNHA; 5,5'-Binaphthyl-1,1',4,4',8,8'-hexacarboxylic Dianhydride; 1,1',4,4',8,8'-Hexacarboxybinaphthyl Dianhydride; 5,5'-Binaphthalenehexacarboxylic Dianhydride; Naphthalene Dianhydride Derivative; Aromatic Tetraacid Dianhydride Monomer
EINECS	Contact for details

Quality Control

Every batch of 5,5-Binaphthaline -1,1 ,4,4 ,8,8 -Hexacarbonic Acid, 1,8,1 ,8 Dianhydride is manufactured and tested under a strict quality management system. We ensure compliance with relevant industry standards for high-purity chemical intermediates. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with each shipment and are available upon request.

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 product is hygroscopic (moisture-sensitive) and light-sensitive; containers must be kept sealed to prevent degradation from atmospheric moisture and light exposure.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals (as Pb)	≤ 10 ppm
Residue on Ignition	≤ 0.1%
Single Maximum Impurity (HPLC)	≤ 0.5%

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