2,5-Chloro pyridine - Names and Identifiers
Name | 2,5-Dichloropyridine
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Synonyms | Dichloropyridine 2,5-Chloro pyridine 2,5-DICHLORPYRIDINE 2,5-Dichloropyridine 2,5-dichloro-pyridin 2,5-Dichiloropyridine 2,5-Dichloro Pyridine 4-Aminophenylacetamide 2,5- twochlorine pyridine 2,5-DICHLOROPYRIDINE 2,5-DICHLOROPYRIDINE
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CAS | 16110-09-1
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EINECS | 240-278-2 |
InChI | InChI=1/C5H3Cl2N/c6-4-1-2-5(7)8-3-4/h1-3H |
2,5-Chloro pyridine - Physico-chemical Properties
Molecular Formula | C5H3Cl2N
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Molar Mass | 147.99 |
Density | 1.5159 (rough estimate) |
Melting Point | 59-62 °C (lit.) |
Boling Point | 190-191 °C |
Flash Point | 112 °C |
Water Solubility | insoluble |
Vapor Presure | 0.904mmHg at 25°C |
Appearance | White powder |
Color | White to slightly yellow |
BRN | 108886 |
pKa | -2.25±0.10(Predicted) |
Storage Condition | Inert atmosphere,Room Temperature |
Refractive Index | 1.5500 (estimate) |
MDL | MFCD00006239 |
Physical and Chemical Properties | White powder |
2,5-Chloro pyridine - Risk and Safety
Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin.
R22 - Harmful if swallowed
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Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S37/39 - Wear suitable gloves and eye/face protection
S36 - Wear suitable protective clothing.
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UN IDs | UN2811 |
WGK Germany | 3 |
RTECS | US8225000 |
HS Code | 29333990 |
Hazard Note | Harmful |
Hazard Class | IRRITANT |
2,5-Chloro pyridine - Introduction
2,5-dichloropyridine is an organic compound with the chemical formula C7H4Cl2N. The following is an introduction to some of its properties, uses, methods and safety information:
Nature:
-Appearance: Colorless to light yellow crystalline or liquid.
-Solubility: Soluble in organic solvents such as ethanol, chloroform and dichloromethane, insoluble in water.
-Melting point: About -11 ℃.
-Boiling point: About 139-142 ℃.
-Density: about 1.36g/cm³.
Use:
-As a catalyst or solvent in chemical reactions.
-used as raw materials in organic synthesis, such as the preparation of other compounds.
-can be used as an intermediate in drug synthesis.
Method:
- 2,5-dichloropyridine can be prepared by chlorination of pyridine.
Safety Information:
-2,5-dichloropyridine is an organic compound with certain toxicity and should be used with care.
-Avoid contact with skin, eyes and mucous membranes. If contact occurs, rinse immediately with plenty of water.
-Appropriate personal protective equipment such as safety glasses, gloves and protective clothing should be provided when used.
-storage, should be sealed, in a cool, dry place, away from combustibles and oxidants.
Please note that the specific nature, use and safety information of 2,5-dichloropyridine may vary slightly depending on the source and use. Before specific application, the relevant material safety data sheets (MSDS) and operating manuals should be carefully consulted, and correct laboratory safety practices should be followed.
Last Update:2024-04-09 15:17:53