Description

3',6'-Dihydro-3',6'-Dimethylspiro[2H-Indene-2,2'-[2H]Pyran]-1,3-Dione is a specialized spirocyclic organic compound with the CAS number 77846-85-6. This high-purity intermediate is valued for its unique fused-ring structure, which makes it a critical building block in advanced synthetic chemistry. It is primarily sought after by research institutions and industrial R&D departments focused on developing novel materials, pharmaceuticals, and fine chemicals.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of complex drug candidates and active pharmaceutical ingredients (APIs).
• Organic Synthesis Building Block: Used in the construction of complex spirocyclic and heterocyclic frameworks for advanced material science.
• Agrochemical Research: Acts as a starting material for developing new crop protection agents and herbicides with novel modes of action.
• Dye & Pigment Chemistry: Utilized in the research and development of specialized organic dyes and high-performance pigments.
• Academic & Industrial R&D: Employed in methodological studies and discovery chemistry for new reactions and compound libraries.
• Material Science: Investigated for potential use in creating organic electronic materials or polymers with specific optical properties.

Basic Information

Product Name	3',6'-Dihydro-3',6'-Dimethylspiro[2H-Indene-2,2'-[2H]Pyran]-1,3-Dione
CAS No.	77846-85-6
Molecular Formula	C15H14O3
Molecular Weight	242.27 g/mol
Synonyms	3',6'-Dihydro-3',6'-dimethylspiro[2H-indene-2,2'-[2H]pyran]-1,3-dione; 3',6'-Dimethyl-3',6'-dihydrospiro[indene-2,2'-pyran]-1,3-dione; Spiro[indene-2,2'-pyran]-1,3-dione, 3',6'-dihydro-3',6'-dimethyl-; 77846-85-6; 3,6-Dihydro-3,6-dimethylspiro[2H-indene-2,2'-[2H]pyran]-1,3-dione
EINECS	Contact for details

Quality Control

Our 3',6'-Dihydro-3',6'-Dimethylspiro[2H-Indene-2,2'-[2H]Pyran]-1,3-Dione is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. We employ advanced analytical techniques, including HPLC, GC, and NMR, to verify identity and purity. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment to support your quality assurance and regulatory needs.

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). Keep away from incompatible materials such as strong oxidizing agents, strong acids, and strong bases.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (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.