3,3,4,4-diphenylsulfonetetracarboxylicdianhydride DSDA CAS 2540-99-0

Name: 3,3,4,4-diphenylsulfonetetracarboxylicdianhydride DSDA CAS 2540-99-0
Brand: Aure Chemical
Price: 1.00 USD
Availability: InStock
Rating: 5.0 (1 reviews)

Synonyms: 4,4'-Sulfonyldiphthalic dianhydride; 5,5'-Sulfonylbis(isobenzofuran-1,3-dione); 4,4'-Sulfonyldiphthalic anhydride; Bis-(3-phthalyl anhydride) sulfone; 1,3-Isobenzofurandione, 5,5'-sulfonylbis-; 3,3',4,4'-Diphenyl sulfone tetracarboxylic anhydride

Shandong Aure Chemical Co., Ltd. is one of the leading suppliers of DSDA in China and also one of the manufacturers of this product.

We can provide customized requirements in terms of product purity, packaging specifications, and other aspects.

Please contact us to obtain the latest product information.

INQUIRY

Product Details

Explore Top-Quality DSDA with Aure Chemical

3,3',4,4'-Diphenylsulfonetetracarboxylic dianhydride (DSDA, CAS 2540-99-0) is primarily employed as a monomer for synthesizing high-performance polyimides, which offer exceptional thermal stability, mechanical strength, chemical resistance, and flame retardancy.

Basic Information of DSDA

Product Name	3,3,4,4-diphenylsulfonetetracarboxylicdianhydride
Abbreviation	DSDA
CAS Number	2540-99-0
Molecular Formula	C16H6O8S
Molecular Weight	358.28 g/mol
Appearance	Off-white to white solid
Purity	≥99%
Package	1kg/bottle, 20kg/drum, or customized
Molecular formula

Product Name	3,3,4,4-diphenylsulfonetetracarboxylicdianhydride
Abbreviation	DSDA
CAS Number	2540-99-0
Molecular Formula	C16H6O8S
Molecular Weight	358.28 g/mol
Appearance	Off-white to white solid
Purity	≥99%
Package	1kg/bottle, 20kg/drum, or customized
Molecular formula

Key Properties

High thermal stability thanks to aromatic and sulfone linkages
Excellent oxidative / chemical resistance in harsh environments
Rigid structure, giving high dimensional stability
Compatibility with diamines to yield high-performance polyimides and copolyimides
Used to introduce sulfone units into polymer backbone to modulate properties (e.g. increased Tg, mechanical strength)

Key Applications of DSDA

Electronics and Microelectronics: Used in flexible printed circuits, semiconductor packaging (e.g., passivation layers and dielectrics), and display technologies like OLEDs and LCDs for alignment layers and encapsulants.

Aerospace and Defense: Incorporated into lightweight composites for aircraft and spacecraft structural parts, as well as insulation materials for extreme environments.

Automotive: Applied in high-temperature components and protective coatings.

Membrane and Separation Technologies: Utilized in gas separation membranes for processes such as CO₂/CH₄ and O₂/N₂ separations, suitable for natural gas treatment and hydrogen recovery.

Specialty Coatings and Adhesives: Employed in resins for high-temperature and UV-resistant coatings, and in adhesives for bonding metals, ceramics, and composites in electronics or aerospace.

Detailed COA / TDS / MSDS are available upon request. Please Contact Us for more information.

Packaging, Transportation & Storage

Aure Chemical ensures that all products are handled in compliance with international safety and quality standards. Each product’s SDS should be consulted for detailed requirements.

Packaging

We use certified UN-rated containers suitable for each chemical type — including steel drums, HDPE drums, IBCs, and ISO tank containers for bulk liquids. All packages are tested for integrity and labeled per IMDG / IATA / ADR standards.

Transportation

Shipments comply with IMDG, IATA, and ADR codes to ensure safe and lawful movement by sea, air, or land. Accompanying documents include SDS, Dangerous Goods Declarations, and COAs.

Storage

Products should be stored in well-ventilated, dry areas, away from heat and incompatible substances. Follow ISO 9001 / 14001 principles for safety, labeling, and periodic inspection.

For detailed handling or customized packaging inquiries, please contact us.

PREVIOUS：1,4-Bis(4-aminophenoxy)benzene (TPE-Q) CAS 3491-12-1

NEXT：TAHQ CAS 2770-49-2

INQUIRY