Description

3A,4,7,7A-Tetrahydroindene is a bicyclic hydrocarbon with a unique fused ring structure, serving as a versatile intermediate in advanced organic synthesis. Its value lies in its ability to act as a building block for complex molecules, including fragrances, pharmaceuticals, and specialty polymers. This compound is essential for R&D chemists and manufacturers in the fine chemical, flavor & fragrance, and agrochemical industries seeking to develop novel compounds with specific structural motifs.

Application

• Fragrance and Flavor Intermediate: Used in the synthesis of musk analogs and other complex aroma chemicals due to its bicyclic framework.
• Pharmaceutical Building Block: Serves as a key starting material or intermediate in the research and development of active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Employed in creating novel pesticides and herbicides where its saturated-indene structure provides specific biological activity.
• Specialty Polymer Research: Acts as a monomer or co-monomer in the development of polymers with unique thermal or mechanical properties.
• Organic Synthesis Reagent: Utilized in Diels-Alder reactions and other cycloadditions to construct complex polycyclic systems in academic and industrial labs.
• Chemical Intermediate for Dyes: Functions as a precursor in the synthesis of certain dyes and pigments.

Basic Information

Product Name	3A,4,7,7A-Tetrahydroindene
CAS No.	3048-65-5
Molecular Formula	C9H12
Molecular Weight	120.19 g/mol
Synonyms	3a,4,7,7a-Tetrahydro-1H-indene; 1,2,3,7-Tetrahydroindene; 3,4,7,7a-Tetrahydro-1H-indene; Bicyclo[4.3.0]nona-1,3,5-triene; 3a,4,7,7a-Tetrahydroindene; 1H-Indene, 3a,4,7,7a-tetrahydro-
EINECS	221-265-0

Quality Control

Our 3A,4,7,7A-Tetrahydroindene is produced under a strict quality management system. Each batch undergoes rigorous analytical testing, including GC and NMR, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided and available upon request 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). Keep away from heat, sparks, and open flames. For long-term storage, consider under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.500 - 1.510
Density (20°C)	0.92 - 0.96 g/mL

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