Description

3,3,4,4-Tetramethyloxolane-2,5-Dione is a high-purity cyclic diester, also known as a tetramethyl-substituted succinic anhydride derivative. This specialty chemical serves as a versatile and valuable building block in advanced organic synthesis and polymer chemistry. It is primarily sought after by R&D chemists and process engineers in the pharmaceutical, agrochemical, and performance materials industries for creating novel compounds with tailored properties.

Application

• Pharmaceutical Intermediate: Key synthon for the development of active pharmaceutical ingredients (APIs), particularly in constructing complex, sterically hindered molecular architectures.
• Polymer Modifier: Used as a comonomer or cross-linking agent to introduce rigidity and specific functional groups into polyester, polyamide, or specialty polymer backbones.
• Agrochemical Synthesis: Intermediate in the production of advanced herbicides, fungicides, and plant growth regulators requiring specific stereochemistry.
• Ligand and Catalyst Preparation: Serves as a precursor for chiral ligands and metal-organic frameworks (MOFs) used in asymmetric catalysis.
• Fine Chemical Production: Building block for synthesizing dyes, pigments, and other high-value specialty chemicals.
• Academic & Industrial Research: Essential reagent in methodological development and exploratory chemistry within R&D laboratories.

Basic Information

Product Name	3,3,4,4-Tetramethyloxolane-2,5-Dione
CAS No.	35046-68-5
Molecular Formula	C8H12O3
Molecular Weight	156.18 g/mol
Synonyms	2,5-Furandione, 3,3,4,4-tetramethyl-; 3,3,4,4-Tetramethyl-2,5-furandione; Tetramethylsuccinic Anhydride; 3,3,4,4-Tetramethyl-dihydro-furan-2,5-dione; TM-SAH; TMSA; Tetramethyl Succinic Anhydride; 2,5-Dioxotetrahydrofuran-3,3,4,4-tetramethyl
EINECS	Contact for details

Quality Control

Our 3,3,4,4-Tetramethyloxolane-2,5-Dione is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing to ensure high chemical purity and consistency. A detailed Certificate of Analysis (COA) documenting identity, assay, and impurity profiles is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to exclude moisture. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 10 ppm
Residue on Ignition	≤ 0.1%

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