Description

3,3,3',3'-Tetramethyl-2,2',3,3'-Tetrahydro-1,1'-Spirobi[Indene]-5,5',6,6'-Tetraone is a high-purity, specialized organic compound belonging to the spirobiindane family. This chemical serves as a critical advanced intermediate in the synthesis of complex organic molecules, particularly those requiring a rigid, three-dimensional framework. It is essential for research and development laboratories and production facilities in the pharmaceutical, agrochemical, and advanced materials sectors seeking to develop novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, especially those targeting central nervous system (CNS) disorders or requiring specific stereochemistry.
• Agrochemical Synthesis: Used in the research and development of new-generation pesticides and herbicides, where its structural complexity can contribute to unique modes of action.
• Advanced Material Precursor: Serves as a monomer or core structure in the development of specialty polymers, liquid crystals, or organic electronic materials.
• Organic Synthesis & Catalysis: Employed in academic and industrial R&D as a sophisticated ligand precursor or chiral scaffold in asymmetric catalysis.
• Chemical Research Standard: Used as a high-purity reference standard in analytical chemistry and method development.

Basic Information

Product Name	3,3,3',3'-Tetramethyl-2,2',3,3'-Tetrahydro-1,1'-Spirobi[Indene]-5,5',6,6'-Tetraone
CAS No.	38475-60-4
Molecular Formula	C23H20O4
Molecular Weight	360.41 g/mol
Synonyms	5,5',6,6'-Tetrahydroxy-3,3,3',3'-tetramethyl-1,1'-spirobiindane; 5,5',6,6'-Tetrahydroxyspirobiindane; Spirobiindane-5,5',6,6'-tetraone, 3,3,3',3'-tetramethyl-2,2',3,3'-tetrahydro-; 1,1'-Spirobi[3H-indene]-5,5',6,6'-tetraone, 2,2',3,3'-tetrahydro-3,3,3',3'-tetramethyl-; 3,3,3',3'-Tetramethyl-1,1'-spirobi[3H-indene]-5,5',6,6'-tetraone
EINECS	Contact for details

Quality Control

Our 3,3,3',3'-Tetramethyl-2,2',3,3'-Tetrahydro-1,1'-Spirobi[Indene]-5,5',6,6'-Tetraone is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing to ensure identity, purity, and consistency, meeting the stringent requirements for advanced synthetic intermediates. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is 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, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents and incompatible materials. For long-term storage, consider an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm
Single Unknown Impurity (HPLC)	≤ 0.5%
Total Impurities (HPLC)	≤ 2.0%

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