Description

4,5,6,7-Tetrahydro-4,4,7-Trimethyl-1,3-Isobenzofurandione is a specialized bicyclic anhydride compound with the CAS number 54824-01-0. This chemical serves as a versatile and valuable intermediate in advanced organic synthesis, prized for its unique fused-ring structure. It is primarily sought after by research institutions and industrial manufacturers in the pharmaceutical and agrochemical sectors for developing novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the research and production of advanced pesticides, herbicides, and plant growth regulators.
• Fine Chemical Production: Serves as a precursor for dyes, pigments, and other high-value specialty chemicals.
• Polymer Chemistry: Can be utilized as a monomer or cross-linking agent in the development of specialty polymers and resins.
• Academic & Industrial R&D: Employed in chemical research for exploring new synthetic pathways and creating novel heterocyclic compounds.
• Material Science: Investigated for applications in creating advanced organic electronic materials and coatings.

Basic Information

Product Name	4,5,6,7-Tetrahydro-4,4,7-Trimethyl-1,3-Isobenzofurandione
CAS No.	54824-01-0
Molecular Formula	C11H14O3
Molecular Weight	194.23 g/mol
Synonyms	4,4,7-Trimethyl-4,5,6,7-tetrahydroisobenzofuran-1,3-dione; 4,4,7-Trimethyl-4,5,6,7-tetrahydro-1H-isobenzofuran-1,3(3aH)-dione; 4,4,7-Trimethyl-4,5,6,7-tetrahydrophthalic anhydride; Trimethyltetrahydrophthalic anhydride (mixed isomer); 4,5,6,7-Tetrahydro-4,4,7-trimethylphthalic anhydride; 1,3-Isobenzofurandione, 4,5,6,7-tetrahydro-4,4,7-trimethyl-
EINECS	259-356-7

Quality Control

Our 4,5,6,7-Tetrahydro-4,4,7-Trimethyl-1,3-Isobenzofurandione is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with each 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 area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); ensure containers are kept tightly sealed to prevent exposure to atmospheric moisture.

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%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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