Description

4-Ethyltoluene is a high-purity aromatic hydrocarbon derivative valued for its role as a versatile chemical intermediate and solvent. Its specific alkyl substitution pattern makes it a crucial building block in the synthesis of more complex organic molecules, offering reliable performance in demanding industrial processes. This compound is essential for manufacturers and R&D facilities in the pharmaceutical, agrochemical, and specialty chemical sectors seeking consistent quality and supply chain stability.

Application

• Chemical Synthesis Intermediate: A key starting material for the production of pharmaceuticals, dyes, and liquid crystals.
• Agrochemical Production: Used in the synthesis of advanced pesticides and herbicides.
• Solvent & Reaction Medium: Serves as an effective solvent for various organic reactions and polymer processing.
• Research & Development: Employed in organic chemistry labs for method development and scale-up studies.
• Fine Chemical Manufacturing: Integral to creating specialty chemicals, including flavors, fragrances, and performance materials.
• Petroleum Additive Precursor: Used in the development of fuel additives and oilfield chemicals.

Basic Information

Product Name	4-Ethyltoluene
CAS No.	25550-14-5
Molecular Formula	C9H12
Molecular Weight	120.19 g/mol
Synonyms	p-Ethyltoluene; 1-Ethyl-4-methylbenzene; 4-Methyl-1-ethylbenzene; 4-Methylethylbenzene; p-Methylethylbenzene; 4-ET; ETOL; PARA-ETHYLTOLUENE
EINECS	247-081-1

Quality Control

Our 4-Ethyltoluene is manufactured under a strict quality management system to ensure batch-to-batch consistency and high purity. Each lot is analyzed against comprehensive specifications using advanced techniques like GC and HPLC. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat sources and incompatible materials such as strong oxidizing agents. Recommended storage temperature is 15-25°C. Keep container tightly sealed when not in use to prevent evaporation and moisture absorption.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.1%
Related Substances (GC)	Total impurities ≤ 2.0%
Density (20°C)	0.860 - 0.870 g/mL
Refractive Index (20°C)	1.495 - 1.505

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