Description

1,2,4,5-Benzenetetracarboxylic Dianhydride-D2 is a deuterated derivative of pyromellitic dianhydride (PMDA), a key aromatic tetracarboxylic dianhydride monomer. This compound is valued for its role in the synthesis of advanced deuterated polymers, where it provides enhanced thermal stability and unique spectroscopic properties. It is essential for researchers and manufacturers in the fields of high-performance polyimides, specialty coatings, and advanced materials science.

Application

• Deuterated Polyimide Synthesis: A critical monomer for producing deuterated polyimide films and fibers with superior thermal and chemical resistance for aerospace and electronics.
• Advanced Polymer Research: Used in R&D to study polymer chain dynamics and structure-property relationships via techniques like NMR and FTIR spectroscopy.
• Specialty Coatings & Adhesives: Imparts enhanced stability and performance in high-temperature, corrosion-resistant coatings and adhesives.
• Organic Semiconductor Materials: Serves as a building block for deuterated organic electronic materials, potentially improving charge carrier mobility and device lifetime.
• Pharmaceutical & Agrochemical Intermediates: Used in the synthesis of complex, deuterated molecules for drug discovery and agrochemical development.
• Analytical Standards & Reagents: Employed as an internal standard or reagent in mass spectrometry and other analytical methods.

Basic Information

Product Name	1,2,4,5-Benzenetetracarboxylic Dianhydride-D2
CAS No.	106426-63-5
Molecular Formula	C10D2H2O6
Molecular Weight	220.15 g/mol
Synonyms	PMDA-D2; Deuterated Pyromellitic Dianhydride; 1,2,4,5-Benzenetetracarboxylic Acid Dianhydride-d2; Benzene-1,2,4,5-tetracarboxylic Dianhydride-d2; 1,2,4,5-Benzenetetracarboxylic Dianhydride (deuterated); D2-PMDA; Tetradeutero-PMDA; Pyromellitic Dianhydride-d2
EINECS	Contact for details

Quality Control

Our 1,2,4,5-Benzenetetracarboxylic Dianhydride-D2 is manufactured under strict quality protocols to ensure batch-to-batch consistency and high isotopic purity. Each lot is supported by a comprehensive Certificate of Analysis (COA) detailing key parameters such as isotopic enrichment (D-content), chemical purity, and impurity profiles. We adhere to relevant industry standards for fine chemicals and advanced intermediates.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and must be kept under dry, inert conditions to prevent hydrolysis. Keep away from strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Deuterium Content (NMR)	≥ 98 atom % D
Melting Point	284 - 288 °C
Loss on Drying	≤ 0.5 %
Heavy Metals	≤ 10 ppm

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