Description

3A,4,7,7A-Tetrahydro-4,4,7-Trimethyl-1,3-Isobenzofurandione is a specialized bicyclic anhydride compound with significant utility as a versatile chemical intermediate. Its unique molecular structure makes it a valuable precursor for synthesizing complex molecules, particularly in the fine chemical and pharmaceutical sectors. This product is essential for manufacturers and R&D teams seeking to develop advanced materials, active pharmaceutical ingredients (APIs), and performance-enhancing additives.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Fine Chemical Synthesis: Used in the production of specialty chemicals, including fragrances, flavors, and advanced organic compounds.
• Polymer & Resin Modifier: Serves as a curing agent or cross-linking agent in epoxy and other thermosetting resin systems to modify properties.
• Agrochemical Synthesis: An intermediate in the manufacturing of certain pesticides and herbicides.
• Research & Development: Employed in academic and industrial laboratories for novel organic synthesis and material science projects.
• Dye & Pigment Production: Acts as a precursor in the synthesis of specific organic dyes and colorants.

Basic Information

Product Name	3A,4,7,7A-Tetrahydro-4,4,7-Trimethyl-1,3-Isobenzofurandione
CAS No.	54824-11-2
Molecular Formula	C11H14O3
Molecular Weight	194.23 g/mol
Synonyms	4,4,7-Trimethyl-3a,4,7,7a-tetrahydroisobenzofuran-1,3-dione; 4,4,7-Trimethyl-3a,4,7,7a-tetrahydro-1H-isoindole-1,3(2H)-dione; 4,7,7-Trimethyl-3-oxabicyclo[4.1.0]heptane-2,5-dione; Trimethyltetrahydroisobenzofurandione; Camphoric Anhydride (derivative); Contact for details on additional trade names.
EINECS	259-356-4

Quality Control

Our 3A,4,7,7A-Tetrahydro-4,4,7-Trimethyl-1,3-Isobenzofurandione is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to guarantee compliance with your specifications and industry standards.

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). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product quality and stability.

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	≤ 1.0%
Residue on Ignition	≤ 0.1%

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