Description

Benzenamine, n-Ethyl-3,4-Difluoro- (9Ci) is a specialized fluorinated aniline derivative, serving as a high-value intermediate in advanced organic synthesis. Its core value lies in the strategic incorporation of fluorine and ethyl groups onto the aromatic amine core, enabling precise modulation of electronic properties, lipophilicity, and metabolic stability in target molecules. This compound is essential for research chemists and process development scientists in the pharmaceutical and agrochemical industries, where it is used to build novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of fluorinated drug candidates, particularly in oncology and central nervous system (CNS) therapeutic areas.
• Agrochemical Synthesis: Used in the development of next-generation herbicides, fungicides, and insecticides where fluorine atoms enhance biological activity and environmental persistence.
• Liquid Crystal & OLED Materials: Serves as a precursor for fluorinated aromatic diamines and other components in electronic display and lighting technologies.
• Polymer Chemistry: Acts as a monomer or chain modifier in the production of specialty polyamides, polyimides, and epoxy resins with enhanced thermal and chemical resistance.
• Organic Synthesis & Catalysis: A versatile reagent for constructing complex heterocycles and as a ligand precursor in transition metal catalysis.
• Dye & Pigment Intermediate: Employed in the synthesis of advanced fluorinated colorants with improved lightfastness and chromatic properties.

Basic Information

Product Name	Benzenamine, n-Ethyl-3,4-Difluoro- (9Ci)
CAS No.	136491-15-1
Molecular Formula	C8H9F2N
Molecular Weight	157.16 g/mol
Synonyms	3,4-Difluoro-N-ethylaniline; N-Ethyl-3,4-difluoroaniline; 3,4-Difluoro-N-ethylbenzenamine; 1-Ethylamino-3,4-difluorobenzene; N-Ethyl-3,4-difluorobenzenamine; 3,4-DFEA; Ethyl(3,4-difluorophenyl)amine
EINECS	Contact for details

Quality Control

Every batch of Benzenamine, n-Ethyl-3,4-Difluoro- is produced and tested under a strict quality management system. We provide comprehensive analytical data to ensure the material meets the precise requirements for sensitive synthetic applications. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available for each lot upon request, supporting your regulatory and R&D documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, handling and transfers should be minimized under direct light exposure.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Individual Unknown Impurity	≤ 0.5%

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