5-Chloro-2,3-difluoropyridine, CAS Number: 89402-43-7
5-Chloro-2,3-difluoropyridine is a fluorinated pyridine derivative containing one chlorine atom and two fluorine atoms on the pyridine ring. Its halogen substituents make it a useful building block for further chemical transformations. It is primarily used as an intermediate in the synthesis of agrochemicals, including the herbicide clodinafop-propargyl, and in the development of other specialty chemicals.
Product Chemical Properties
Chemical Name: 5-Chloro-2,3-difluoropyridine
CAS Number: 89402-43-7
Synonyms: 2,3-Difluoro-5-chloropyridine; 3-Chloro-5,6-difluoropyridine
Molecular Formula: C5H2ClF2N
Molecular Weight: 149.53 g/mol
EINECS Number: 410-090-7
Melting Point: Approximately 47–49°C
Boiling Point: Approximately 135°C
Density: Approximately 1.44 g/cm³
Refractive Index: Approximately 1.4738

Product Technical Specification
Appearance: Colorless to pale yellow liquid or solid
Purity (GC): 96.0% min
Water: 0.3% max
Toluene: 0.5% max
Applications of 5-Chloro-2,3-difluoropyridine
5-Chloro-2,3-difluoropyridine is primarily used as an intermediate in agrochemical and pharmaceutical manufacturing. It is an important building block for the synthesis of the herbicide clodinafop-propargyl and other pyridine-based specialty chemicals.
Packaging
250kg/drum.
Production Capacity
3600MT/year.
Storage Requirements
Store in a tightly sealed container in a cool, dry, and well-ventilated area. Protect from heat, moisture, and direct sunlight.
5-Chloro-2,3-difluoropyridine Bulk Supply from China
Hosea Chem is a China-based chemical supplier serving international customers with a range of fine chemicals, fluorinated compounds, and organic synthesis intermediates. Contact us for 5-Chloro-2,3-difluoropyridine CAS 89402-43-7 inquiries, including product specifications, pricing, packaging, and bulk supply options.