Description

1,1,4,4-Tetramethyl-1,2,3,4-Tetrahydronaphthalene is a high-purity, synthetic organic compound belonging to the class of alkylated tetrahydronaphthalenes. This specialty chemical serves as a valuable intermediate and building block in advanced organic synthesis, prized for its unique sterically hindered structure. It is primarily utilized by R&D chemists and process development teams in the pharmaceutical, agrochemical, and fragrance industries for creating complex molecular architectures.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for sterically demanding molecules.
• Agrochemical Synthesis: Used in the research and development of advanced pesticides and herbicides, where its tetralin core provides a stable framework.
• Fragrance & Flavor Chemistry: Acts as a precursor or modifier in the creation of sophisticated musk-like or woody aroma chemicals due to its tetramethyl-substituted structure.
• Organic Light-Emitting Diodes (OLEDs): Investigated as a potential core structure or side-group modifier in the development of novel electron-transport or host materials.
• Liquid Crystal & Advanced Material Research: Serves as a rigid, bulky component in the design of new liquid crystal molecules and specialty polymers.
• Chemical Research & Development: A versatile reagent for academic and industrial research exploring new catalytic reactions, C-H activation, and cross-coupling methodologies.

Basic Information

Product Name	1,1,4,4-Tetramethyl-1,2,3,4-Tetrahydronaphthalene
CAS No.	6683-46-1
Molecular Formula	C14H20
Molecular Weight	188.31 g/mol
Synonyms	1,1,4,4-Tetramethyl-1,2,3,4-tetrahydronaphthalene; 1,1,4,4-Tetramethyltetralin; Tetramethyltetralin; 1,2,3,4-Tetrahydro-1,1,4,4-tetramethylnaphthalene; NSC 66490; 1,1,4,4-Tetramethyl-1,2,3,4-tetrahydronaphthalin; 1,1,4,4-Tetramethyltetrahydronaphthalene
EINECS	229-722-6

Quality Control

Our 1,1,4,4-Tetramethyl-1,2,3,4-Tetrahydronaphthalene is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including GC, HPLC, and NMR, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with every shipment, detailing all critical specifications. Our quality commitment ensures the material is suitable for demanding applications in regulated research and development environments.

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 heat, sparks, and open flame. For long-term storage, consider under an inert atmosphere such as nitrogen to maintain optimal purity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Related Substances (GC)	Individual impurity ≤ 1.0%
Total Impurities	≤ 2.0%

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