Description

2,2'-Spirobi[Indene]-1,1'(3H,3'H)-Dione is a high-purity, specialized organic compound with the CAS number 53110-88-6. This compound serves as a critical building block and advanced intermediate in the synthesis of complex organic molecules, valued for its unique spirocyclic structure. It is primarily sought after by research institutions and industrial R&D departments in the pharmaceutical, agrochemical, and advanced materials sectors for developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those requiring complex spirocyclic frameworks for biological activity.
• Agrochemical Research: Used in developing new generations of herbicides, fungicides, and insecticides with potentially enhanced efficacy and environmental profiles.
• Organic Electronic Materials: Investigated as a core component or dopant in the development of organic light-emitting diodes (OLEDs) and other semiconductor materials.
• Polymer Chemistry: Acts as a monomer or cross-linking agent for creating specialty polymers with specific thermal or mechanical properties.
• Dye and Pigment Synthesis: Serves as an intermediate for producing high-performance, color-fast dyes and organic pigments.
• Academic & Industrial R&D: A valuable reagent for methodological studies in organic synthesis and catalysis, enabling new chemical transformations.

Basic Information

Product Name	2,2'-Spirobi[Indene]-1,1'(3H,3'H)-Dione
CAS No.	53110-88-6
Molecular Formula	C17H10O2
Molecular Weight	246.26 g/mol
Synonyms	Spirobiindandione; 1,1',3,3'-Tetrahydro-2,2'-spirobi[indene]-1,1'-dione; 2,2'-Spirobi[1H-indene]-1,1'(3H,3'H)-dione; 2,2'-Spirobiindane-1,1'-dione; Spirobiindandione; 1,1'-Dioxo-1,1',3,3'-tetrahydro-2,2'-spirobi[indene]; 2,2'-Spirobiindene-1,1'-dione
EINECS	Contact for details

Quality Control

Our 2,2'-Spirobi[Indene]-1,1'(3H,3'H)-Dione is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques including HPLC, GC, and NMR to confirm identity and purity. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment. We adhere to cGMP principles where applicable to support our clients in regulated research and development.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its sensitivity to oxidation, it is recommended to store the product under an inert atmosphere (e.g., nitrogen or argon) for long-term stability. Keep away from heat, sparks, and open flames.

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.