135748-34-4

135748-34-4 - Names and Identifiers

Name	2-Chloro-4,5-difluorobenzonitrile
Synonyms	2-CHLORO-4,5-DIFLUOROBENZONITRILE 2-Chloro-4,5-difluorobenzonitrile Benzonitrile, 2-chloro-4,5-difluoro-
CAS	135748-34-4
InChI	InChI=1/C7H2ClF2N/c8-5-2-7(10)6(9)1-4(5)3-11/h1-2H

135748-34-4 - Physico-chemical Properties

Molecular Formula	C7H2ClF2N
Molar Mass	173.55
Density	1.43±0.1 g/cm3(Predicted)
Melting Point	33-36℃
Boling Point	231.5±35.0 °C(Predicted)
Flash Point	93.8°C
Vapor Presure	0.0622mmHg at 25°C
Storage Condition	Sealed in dry,Room Temperature
Refractive Index	1.513
MDL	MFCD02871619

135748-34-4 - Risk and Safety

Hazard Symbols	Xn - Harmful
Risk Codes	R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. R36/37/38 - Irritating to eyes, respiratory system and skin.
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. S39 - Wear eye / face protection.
UN IDs	3276
Hazard Class	6.1

135748-34-4 - Introduction

2-Chloro-4, 5-difluorobenzonitrile is an organic compound with the chemical formula C6H2ClF2N. The following is a description of its nature, use, preparation and safety information:

Nature:
-Appearance: Colorless or light yellow crystal
-Melting point: 70-72°C
-Boiling point: 180°C
-Density: 1.54g/cm³
-Insoluble in water, soluble in organic solvents such as ethanol and dimethyl ether.

Use:
-2-Chloro-4, 5-difluorobenzonitrile is an important chemical intermediate, which has a wide range of applications in the pharmaceutical, pesticide and dye industries.
-It can be used to synthesize a variety of drugs and biologically active molecules.
-In the pesticide manufacturing process, it can be used as a raw material for pesticides and fungicides.
-It can also be used for dye synthesis.

Preparation Method:
2-Chloro-4, 5-difluorobenzonitrile can be synthesized by the following methods:
-Reaction of 2-fluorobenzonitrile with acetyl chloride under alkaline conditions.
-Fluorination reaction of 2-chlorofluorobenzene in the presence of hydrofluoric acid.

Safety Information:
-2-Chloro-4, 5-difluorobenzonitrile is irritating and direct contact with skin and eyes should be avoided.
-Wear appropriate protective measures such as gloves and goggles during use.
-Avoid inhaling its vapors and need to operate in a well-ventilated place.
-During storage and transportation, it should be kept in a dry, cool, ventilated place, away from fire and oxidizing agents.
-If swallowed or inhaled too much, seek medical attention immediately.

Last Update：2024-04-09 02:00:42