2,3-Dichloropyridine
- Createtime： 2026-04-14
- Updatetime： 2026-04-15
Product Details
| useage |
Industrial use
|
| deliveryInfo |
|
| appearance |
powder
|
| Molecular Weight |
147.99 g/mol
|
| aliasen |
|
| supplyCapacity |
50000MT/Month
|
| harbor |
Qingdao,China
|
| minorder |
1KG
|
| Appearance |
White to slightly beige crystalline powder
|
Shandong Huashang Chemical Co., Ltd. is a high-tech enterprise focused on industry of fine chemicals research and develop, produce and sale. Shandong Huashang Chemical Co., Ltd. is located in Shan Dong Ji Nan China. we have the ability to provide you high quality products. More than 90 % of our products are exported to developed countries and regions such as north America, Europe, Japan, South Korea and the Middle East.
Basic Information
Product Name: 2,3-Dichloropyridine
CAS Number: 2402-77-9
Alias: Pyridine, 2,3-dichloro-; 2,3-DCP
Molecular Formula: C5H3Cl2N
Molecular Weight: 147.99 g/mol
Structural Information
- Structure Type: Halogenated heterocyclic aromatic compound (pyridine derivative)
- Structural Features: Pyridine ring substituted with two chlorine atoms at positions 2 and 3; planar aromatic system with dipole moment from heteroatom (N) and halogens
Physical & Chemical Properties
- Appearance: White to slightly beige crystalline powder
- Odor: Pungent
- Melting Point: 64–67 °C
- Boiling Point: 192.5 °C (760 mmHg)
- Density: 1.4±0.1 g/cm3
- Flash Point: 87.5 °C
- Solubility: Slightly soluble in water; soluble in ethanol, ether, acetone, benzene, and most organic solvents
- Stability: Stable under normal temperature and pressure; avoid strong oxidants, strong bases, and high heat
- Refractive Index: 1.554
- Vapor Pressure: 0.679 mmHg at 25 °C
Synthesis & Applications
Synthesis Method
- Main Route: Chlorination of pyridine or 2-chloropyridine using chlorine gas or N-chlorosuccinimide (NCS) under controlled temperature; purified by distillation/recrystallization
Main Applications
- Pharmaceutical Intermediates: Key building block for APIs (antibiotics, antifungals, antivirals)
- Agrochemicals: Intermediate for herbicides, fungicides, and insecticides
- Organic Synthesis: Used in cross-coupling reactions (Suzuki, Buchwald) for fine chemical synthesis
Safety & Storage Instructions
- Hazard Classification: GHS07 (Warning); H315 (skin irritation), H319 (eye irritation), H335 (respiratory irritation)
- Personal Protection: Wear dust mask, chemical-resistant gloves, and safety goggles; avoid inhalation, skin/eye contact
- Storage Condition: Keep tightly sealed; store in cool, dry, well-ventilated area (10–25 °C); away from heat, sunlight, and oxidants
- Transportation: Non-dangerous goods; prevent breakage, moisture, and strong light
Quality & Spectral Data
- Purity (GC): ≥98.0% / ≥99.0%
- Moisture: ≤0.2%
- Melting Range: 64–67 °C
- 1H NMR: Consistent with standard structure
- IR Spectrum: Characteristic peaks at 700–800 cm?1 (C–Cl), 1500–1600 cm?1 (pyridine ring)
Information Summary Table
