Description

Benzene, 1,2-Difluoro-4-(1-Methylethenyl)- (9Ci) is a specialized fluorinated aromatic building block of significant interest in advanced organic synthesis. Its unique structure, featuring both fluorine substituents and a reactive isopropenyl group, makes it a valuable precursor for creating complex molecules with tailored properties. This compound is primarily utilized by research and development chemists in the pharmaceutical and agrochemical industries. Its application is critical for the development of novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key synthon for the development of novel drug candidates, particularly in medicinal chemistry programs targeting CNS and metabolic diseases.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides, where the fluorine atoms enhance biological activity and environmental stability.
• Liquid Crystal & OLED Material Precursor: Serves as a building block for fluorinated aromatic cores in electronic display and lighting materials.
• Polymer & Resin Modifier: Incorporated into specialty polymers to impart specific characteristics such as chemical resistance, thermal stability, or altered refractive index.
• Organic Synthesis Reagent: Employed in cross-coupling reactions and other catalytic transformations to introduce the difluorobenzene moiety into more complex architectures.
• Fluorine Chemistry Research: A valuable compound for academic and industrial research exploring new reactions and properties of fluorinated aromatics.

Basic Information

Item	Detail
Product Name	Benzene, 1,2-Difluoro-4-(1-Methylethenyl)- (9Ci)
CAS No.	182193-03-9
Molecular Formula	C9H8F2
Molecular Weight	154.16 g/mol
Synonyms	1,2-Difluoro-4-isopropenylbenzene; 4-Isopropenyl-1,2-difluorobenzene; 1,2-Difluoro-4-(prop-1-en-2-yl)benzene; 3,4-Difluoro-α-methylstyrene; (1,2-Difluoro-4-vinylphenyl)methane (tautomer); Difluoroisopropenylbenzene
EINECS	Contact for details

Quality Control

Our Benzene, 1,2-Difluoro-4-(1-Methylethenyl)- (9Ci) is produced under stringent quality management systems. Each batch undergoes rigorous analytical testing, including GC, HPLC, and NMR, to ensure high purity and consistent composition. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong acids and oxidizing agents. For long-term storage, maintaining the container under an inert atmosphere (e.g., nitrogen or argon) is recommended to prevent potential oxidation. Recommended storage temperature: 2-8°C.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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