Description

6,7,8,8A-Tetrahydro-2,5,5,8A-Tetramethyl-5H-1-Benzopyran is a high-purity synthetic intermediate belonging to the benzopyran class of compounds. This chemical is valued for its specific molecular structure, which makes it a versatile building block in advanced organic synthesis. It is primarily sought after by R&D laboratories and production facilities in the pharmaceutical, fragrance, and specialty chemical industries for developing novel compounds and fine-tuning product characteristics.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Fragrance and Flavor Synthesis: Used as a building block for creating novel aromatic compounds and specialty odorants due to its tetrahydrobenzopyran backbone.
• Agrochemical Research: Employed in the development of new pesticides and herbicides, leveraging its heterocyclic structure.
• Material Science: Acts as an intermediate in the production of specialty polymers and advanced organic materials.
• Organic Synthesis: A valuable reagent for academic and industrial research in constructing complex polycyclic frameworks.

Basic Information

Item	Detail
Product Name	6,7,8,8A-Tetrahydro-2,5,5,8A-Tetramethyl-5H-1-Benzopyran
CAS No.	5552-30-7
Molecular Formula	C₁₃H₂₂O
Molecular Weight	194.31 g/mol
Synonyms	2,5,5,8A-Tetramethyl-6,7,8,8a-tetrahydro-5H-chromene; 5H-1-Benzopyran, 6,7,8,8a-tetrahydro-2,5,5,8a-tetramethyl-; Tetrahydrotetramethylbenzopyran; 2,5,5,8A-Tetramethyl-6,7,8,8a-tetrahydro-2H-chromene; 6,7,8,8a-Tetrahydro-2,5,5,8a-tetramethyl-5H-chromene
EINECS	226-904-7

Quality Control

Our 6,7,8,8A-Tetrahydro-2,5,5,8A-Tetramethyl-5H-1-Benzopyran is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical parameters. Our quality commitment ensures the material is suitable for demanding applications in regulated industries.

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 highly volatile nature, ensure containers are securely sealed when not in use to prevent evaporation and potential concentration changes. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Refractive Index (20°C)	1.485 - 1.495
Density (20°C)	0.95 - 0.98 g/mL

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