Description

4-Ethyltoluene is a high-purity aromatic hydrocarbon derivative, valued for its role as a versatile intermediate in organic synthesis. Its chemical structure makes it a critical building block for the production of specialty chemicals and advanced materials. This compound is essential for manufacturers and R&D laboratories in the pharmaceutical, agrochemical, and polymer industries seeking reliable, high-quality intermediates.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and other fine chemicals.
• Agrochemical Synthesis: Serves as a key precursor in the manufacture of pesticides, herbicides, and other crop protection agents.
• Organic Synthesis & Research: A valuable reagent and building block in academic and industrial research laboratories for creating complex organic molecules.
• Polymer & Resin Production: Employed in the synthesis of specialty polymers, resins, and plasticizers to modify material properties.
• Dye & Pigment Manufacturing: Acts as an intermediate in the production of various dyes, pigments, and colorants.
• Flavor & Fragrance Industry: Used in the controlled synthesis of specific aromatic compounds for fragrances and flavors.

Basic Information

Item	Details
Product Name	4-Ethyltoluene
CAS No.	622-96-8
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; Para-Ethyltoluene
EINECS	210-757-1

Quality Control

Our 4-Ethyltoluene is produced and tested under stringent quality management systems to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, identity, and impurity profiles. Our quality commitment aligns with cGMP principles where applicable, ensuring a reliable supply for critical industrial and research applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat sources and ignition points. Due to its highly volatile nature, ensure containers are kept tightly sealed when not in use to prevent evaporation and maintain product integrity. Recommended storage temperature is 15-25°C.

Specification

Item	Specification
Appearance	Clear, colorless liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.5%
Water Content (KF)	≤ 0.1%
Specific Gravity (20°C)	0.860 - 0.865
Refractive Index (n20D)	1.493 - 1.497

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