ChemicalBook > Product Catalog >Pharmaceutical intermediates >Heterocyclic compound >Pyridine compound >Chloropyridine >2,3-Dichloropyridine
2,3-Dichloropyridine
- CAS No.
- 2402-77-9
- Chemical Name:
- 2,3-Dichloropyridine
- Synonyms
- 3-dichloropydine;2,3-dichloropydine;3-Dichloropyridine;2,3-DICHLOROPYRIDINE;2,3-dichloro-pyridin;Pyridine, 2,3-dichloro-;2,3-Dichloropyridine>2,3-Dichloropyridine,99%;2,3- twochlorine pyridine;2,3-Dichloropyridine ,98%
- CBNumber:
- CB4110338
- Molecular Formula:
- C5H3Cl2N
- Molecular Weight:
- 147.99
- MOL File:
- 2402-77-9.mol
- Modify Date:
- 2024/7/25 20:04:51
| Melting point | 64-67 °C (lit.) |
|---|---|
| Boiling point | 242.42°C (rough estimate) |
| Density | 1.5159 (rough estimate) |
| refractive index | 1.5500 (estimate) |
| storage temp. | Inert atmosphere,Room Temperature |
| pka | -0.63±0.10(Predicted) |
| form | Crystalline Powder |
| color | White to slightly beige |
| Water Solubility | slightly soluble |
| BRN | 109811 |
| InChI | InChI=1S/C5H3Cl2N/c6-4-2-1-3-8-5(4)7/h1-3H |
| InChIKey | MAKFMOSBBNKPMS-UHFFFAOYSA-N |
| SMILES | C1(Cl)=NC=CC=C1Cl |
| CAS DataBase Reference | 2402-77-9(CAS DataBase Reference) |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |  GHS07 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Warning | |||||||||
| Hazard statements | H315-H319-H335 | |||||||||
| Precautionary statements | P261-P264-P271-P280-P302+P352-P305+P351+P338 | |||||||||
| Hazard Codes | Xi,Xn | |||||||||
| Risk Statements | 36/37/38-22 | |||||||||
| Safety Statements | 26-36-37/39 | |||||||||
| RIDADR | UN2811 | |||||||||
| WGK Germany | 3 | |||||||||
| RTECS | US8050000 | |||||||||
| Hazard Note | Irritant | |||||||||
| HazardClass | 6.1 | |||||||||
| HS Code | 29333999 | |||||||||
| NFPA 704 |
|
2,3-Dichloropyridine price More Price(3)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich(India) | D73405 | 2,3-Dichloropyridine 99% | 2402-77-9 | 10G | ₹7047.08 | 2022-06-14 | Buy |
| TCI Chemicals (India) | D2906 | 2,3-Dichloropyridine min. 98.0 % | 2402-77-9 | 5G | ₹2700 | 2022-05-26 | Buy |
| TCI Chemicals (India) | D2906 | 2,3-Dichloropyridine min. 98.0 % | 2402-77-9 | 25G | ₹4800 | 2022-05-26 | Buy |
2,3-Dichloropyridine Chemical Properties,Uses,Production
Chemical Properties
White to slightly beige crystalline powder
Uses
2,3-Dichloropyridine is used as a reagent for the preparation of substituted 3-(5-membered heterocycle-carboxamido)pyridine derivatives for treatment of autoimmune and inflammatory diseases. Also in the synthesis, crystal structure and biological activity of novel anthranilic Diamide insecticide with propargyl ether.
Synthesis
2,3-dichloropyridine is synthesized from 2-chloronicotinic acid via amidation, Hofmann degradation, diazotization and Sandmeyer reaction.
Structure and conformation
The complete mol-ecule of 2,3-Dichloropyridine, C5H3Cl2N, is generated by crystallographic twofold symmetry, which forces the pyridine N atom and the opposite C—H group to be statistically disordered. In the crystal, weak aromatic π–π stacking [centroid–centroid separation = 3.805 (4)Å and slippage = 1.704Å] leads to [100] stacks of mol-ecules. Short Cl···Cl contacts [3.334 (3)Å] are also observed. Colourless prisms were grown from ethanol.
2,3-Dichloropyridine Preparation Products And Raw materials
Raw materials
Preparation Products
2-Amino-3-chloropyridine
3-Chloropyridin-2-ol
(3-CHLORO-PYRIDIN-2-YL)-HYDRAZINE
2,5-Dichloropyridine
3-chloro-2-n-butoxypyridine
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