Description

5,5'-(1,1,10,10-Tetramethyl-1,10-Decanediyl)Bis(1,3-Isobenzofurandione) is a high-purity, symmetrical bis-anhydride monomer of significant industrial importance. This compound is valued for its role as a key building block in the synthesis of advanced polymeric materials, particularly high-performance polyimides and polyamides. It is essential for manufacturers and R&D facilities in the electronics, aerospace, and specialty coatings sectors seeking to develop materials with exceptional thermal stability and mechanical properties.

Application

• Polyimide Synthesis: A critical monomer for producing high-temperature, high-strength polyimide resins and films used in flexible printed circuits (FPCs) and semiconductor insulation layers.
• Advanced Polymer Composites: Serves as a cross-linking agent or co-monomer in epoxy and other thermoset systems to enhance thermal and chemical resistance for aerospace and automotive components.
• Specialty Adhesives & Coatings: Used in formulating high-performance adhesives and protective coatings that require durability under extreme environmental conditions.
• Liquid Crystal Polymers (LCPs): Employed as a monomeric unit in the synthesis of LCPs for demanding electronic and optical applications.
• Pharmaceutical Intermediates: Acts as a sophisticated synthetic intermediate in the research and development of complex organic molecules and active pharmaceutical ingredients (APIs).
• Research & Development: A valuable reagent for academic and industrial R&D focused on novel polymer architectures and material science.

Basic Information

Item	Detail
Product Name	5,5'-(1,1,10,10-Tetramethyl-1,10-Decanediyl)Bis(1,3-Isobenzofurandione)
CAS No.	63322-28-1
Molecular Formula	C30H32O6
Molecular Weight	488.57 g/mol
Synonyms	1,3-Isobenzofurandione, 5,5'-(1,1,10,10-tetramethyl-1,10-decanediyl)bis-; 1,1,10,10-Tetramethyl-1,10-decanediyl bis(trimellitate) dianhydride; 4,4'-(2,2,11,11-Tetramethyl-1,10-dodecanediyl)diphthalic anhydride; DTDA; Tetramethyl-dodecanedioic acid bis(trimellitate) dianhydride; Bis(trimellitic anhydride) derivative C30; TM-DTDA; 4,4'-(2,2,11,11-Tetramethyl-1,10-dodecanediyl)bis(1,3-dioxo-1,3-dihydro-2-benzofuran-5-carboxylic acid) dianhydride
EINECS	Contact for details

Quality Control

Our production of 5,5'-(1,1,10,10-Tetramethyl-1,10-Decanediyl)Bis(1,3-Isobenzofurandione) adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. The material undergoes comprehensive analytical testing, including HPLC, NMR, and FTIR, to confirm identity and quantify impurities. Certificates of Analysis (COA) documenting all critical quality attributes are provided with each shipment. We support compliance with relevant industry standards and can tailor specifications to meet specific customer requirements.

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); containers must be kept tightly sealed to prevent degradation from atmospheric moisture. Keep away from strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white 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.