Description

3-Ethyl-5,6,7,8-Tetrahydro-5,5,8,8-Tetramethylnaphthalene-2-Carbaldehyde is a specialized aromatic aldehyde derivative of tetralin, serving as a high-value synthetic intermediate. Its molecular structure makes it a critical precursor for the synthesis of advanced fine chemicals and active pharmaceutical ingredients (APIs). This compound is primarily sought by R&D chemists and process development teams in the pharmaceutical, agrochemical, and advanced material sectors for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel drug candidates, particularly those targeting nuclear receptors.
• Agrochemical Synthesis: Used in the research and development of advanced pesticides and herbicides due to its stable, functionalized tetralin core.
• Fragrance & Flavor Chemistry: Serves as a precursor for the creation of unique musk-like or amber odorants in high-end perfume formulations.
• Material Science Research: Employed in the development of organic semiconductors, liquid crystals, and photoactive polymers.
• Chemical Research & Development: A versatile starting material for organic synthesis, including Friedel-Crafts alkylation, reduction, and condensation reactions.
• Reference Standard: Used as an analytical standard in quality control laboratories for method development and validation.

Basic Information

Product Name	3-Ethyl-5,6,7,8-Tetrahydro-5,5,8,8-Tetramethylnaphthalene-2-Carbaldehyde
CAS No.	58243-85-9
Molecular Formula	C₁₇H₂₄O
Molecular Weight	244.37 g/mol
Synonyms	3-Ethyl-5,5,8,8-tetramethyl-5,6,7,8-tetrahydro-2-naphthaldehyde; 5,6,7,8-Tetrahydro-3-ethyl-5,5,8,8-tetramethyl-2-naphthalenecarboxaldehyde; 2-Formyl-3-ethyl-5,5,8,8-tetramethyl-5,6,7,8-tetrahydronaphthalene; TTNEB; ETMT Carbaldehyde; Arotinoid Aldehyde Intermediate
EINECS	Contact for details

Quality Control

Our 3-Ethyl-5,6,7,8-Tetrahydro-5,5,8,8-Tetramethylnaphthalene-2-Carbaldehyde is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing including HPLC, GC, and NMR to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided and can be tailored to meet specific customer or regulatory requirements.

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). This material is easily oxidized and should be handled under an inert atmosphere for long-term storage or when opening sealed containers. Keep away from heat and incompatible materials.

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	≤ 10 ppm

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