Description

1-Ethyl-3-iso-Propylbenzene is a high-purity alkylated aromatic compound, also known by its CAS number 4920-99-4. This specialty chemical serves as a versatile intermediate and building block in advanced organic synthesis, valued for its defined molecular structure and reactivity. It is essential for R&D chemists and process engineers in the pharmaceutical, agrochemical, and fine chemical industries seeking to develop novel compounds and optimize synthetic routes.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of active pharmaceutical ingredients (APIs) and complex organic molecules.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and plant growth regulators.
• Fine Chemical Production: Serves as a precursor for dyes, pigments, fragrances, and other specialty organic compounds.
• Organic Synthesis & Research: A valuable reagent in academic and industrial R&D for exploring new chemical reactions and methodologies.
• Liquid Crystal & Electronic Materials: Potential use as a structural component in the development of advanced organic electronic materials.
• Polymer Modification: Can be utilized to introduce specific alkyl aromatic groups into polymer chains to modify properties.

Basic Information

Product Name	1-Ethyl-3-iso-Propylbenzene
CAS No.	4920-99-4
Molecular Formula	C11H16
Molecular Weight	148.24 g/mol
Synonyms	3-Ethylcumene; 1-Ethyl-3-(1-methylethyl)benzene; m-Ethylcumene; 3-Isopropylethylbenzene; 1-Ethyl-3-isopropylbenzene; m-Ethylisopropylbenzene; Benzene, 1-ethyl-3-(1-methylethyl)-; 4920-99-4
EINECS	225-540-6

Quality Control

Our 1-Ethyl-3-iso-Propylbenzene is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including GC, HPLC, and NMR, to ensure identity, purity, and consistency. We provide full traceability and detailed Certificates of Analysis (COA) with every shipment. Our quality commitment aligns with cGMP principles where applicable, ensuring reliability for critical B2B applications.

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 to maintain optimal purity.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.1%
Refractive Index (n20/D)	1.495 - 1.505
Density (20°C)	0.860 - 0.880 g/mL

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