4-Cyano-3,5-dichloropyridine

4-Cyano-3,5-dichloropyridine - Names and Identifiers

Name	3,5-Dichloro-4-Pyridinecarbonitrile
Synonyms	4-Cyano-3,5-dichloropyridine 3,5-Dichloroisonicotinonitrile 3,5-DICHLOROISONICOTINONITRILE 3,5-dichloropyridine-4-carbonitrile 3,5-Dichloro-4-pyridinecarbonitrile 3,5-Dichloro-4-Pyridinecarbonitrile 3,5-DICHLORO-4-PYRIDINECARBONITRILE 4-Pyridinecarbonitrile, 3,5-dichloro-
CAS	153463-65-1

4-Cyano-3,5-dichloropyridine - Physico-chemical Properties

Molecular Formula	C6H2Cl2N2
Molar Mass	173
Density	1.49±0.1 g/cm3(Predicted)
Melting Point	115-119 °C (lit.)
Boling Point	266.2±35.0 °C(Predicted)
pKa	-0.84±0.10(Predicted)
Storage Condition	Sealed in dry,Room Temperature
MDL	MFCD00104651
Physical and Chemical Properties	WGK Germany:3

4-Cyano-3,5-dichloropyridine - Risk and Safety

Hazard Symbols	Xn - Harmful
Risk Codes	R22 - Harmful if swallowed R37/38 - Irritating to respiratory system and skin. R41 - Risk of serious damage to eyes R43 - May cause sensitization by skin contact
Safety Description	S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection.
UN IDs	UN 2811 6.1/PG 3
WGK Germany	3
Hazard Class	IRRITANT
Packing Group	Ⅲ

4-Cyano-3,5-dichloropyridine - Introduction

3, is an organic compound with the chemical formula C7H3Cl2N. The following is an introduction to some of its properties, uses, methods and safety information:

Nature:
-Appearance: Colorless to light yellow crystalline solid.
-Melting point: about 57-61 degrees Celsius.
-Boiling point: About 297 degrees Celsius.
-Solubility: Soluble in polar solvents such as alcohols, ethers and chlorinated hydrocarbons, insoluble in water.

Use:
- 3, often used as an intermediate in organic synthesis.
-It can be used to synthesize pesticides, drugs, dyes and other compounds.
-Other applications include raw materials as catalysts, disinfectants and preservatives.

Method:
- 3, the preparation of pyridine is usually obtained by reacting pyridine chloride with Cyano Compounds.
-This reaction is generally carried out in an organic solvent, commonly used with dichloromethane, benzene and ethanol.

Safety Information:
- 3, irritating to eyes, skin and mucous membranes.
-When using, pay attention to avoid direct contact, and take appropriate personal protective measures (such as wearing gloves, protective glasses, etc.).
-In case of accidental contact, flush the affected area immediately with plenty of water and seek medical examination.
-During storage and handling, prevent contact with oxidants, strong acids and other substances, and avoid fire sources and high temperatures.

Last Update：2024-04-09 02:00:42