4-(difluoromethoxy)benzene-1-sulfonyl chloride

4-(difluoromethoxy)benzene-1-sulfonyl chloride - Names and Identifiers

Name	4-(Difluoromethoxy)benzenesulfonyl chloride
Synonyms	BUTTPARK 457-46 4-fluoroMethoxybenzenesulfonyl chloride 4-(Difluoromethoxy)benzenesulfonyl chloride 4-(DIFLUOROMETHOXY)BENZENESULFONYL CHLORIDE 4-(DIFLUOROMETHOXY)BENZENESULPHONYL CHLORIDE 4-(DIFLUOROMETHOXY) BENZENE SULFONIC CHLORIDE 4-(difluoromethoxy)benzene-1-sulfonyl chloride Benzenesulfonyl chloride, 4-(difluoromethoxy)- (9CI)
CAS	351003-34-4

4-(difluoromethoxy)benzene-1-sulfonyl chloride - Physico-chemical Properties

Molecular Formula	C7H5ClF2O3S
Molar Mass	242.63
Density	1.523g/mLat 25°C(lit.)
Melting Point	265-266 °C
Boling Point	265-266°C(lit.)
Flash Point	200°F
Storage Condition	Inert atmosphere,Room Temperature
Refractive Index	n20/D 1.5150(lit.)

4-(difluoromethoxy)benzene-1-sulfonyl chloride - Risk and Safety

Risk Codes	34 - Causes burns
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. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
UN IDs	UN 3265 8/PG 2
WGK Germany	3
Hazard Note	Corrosive

4-(difluoromethoxy)benzene-1-sulfonyl chloride - Introduction

4-(Difluoromethoxy)benzenesulfonyl chloride is an organic compound with the chemical formula C7H5ClF2O3S. It is a colorless to pale yellow solid with a pungent odor.

4-(Difluoromethoxy)benzenesulfonyl chloride are mainly used as reagents and intermediates in organic synthesis. It can be used in the synthesis of pesticides, pharmaceuticals and other important organic compounds. For example, it can be used in the preparation of benzenesulfonic acid ester compounds, which are used as protective groups for drugs. In addition, it can also be used as a raw material for insecticides, fungicides and photopolymerization agents.

The preparation of 4-(Difluoromethoxy)benzenesulfonyl chloride is usually obtained by synthesizing a benzenesulfonyl chloride compound and then performing a fluorination reaction in the presence of fluoromethanol. The specific preparation method can be adjusted according to actual needs.

When using 4-(Difluoromethoxy)benzenesulfonyl chloride, it is necessary to pay attention to its irritation and avoid direct contact with skin, eyes or respiratory tract. Wear appropriate personal protective equipment such as gloves and glasses during operation. In addition, it should be operated in a well-ventilated place to avoid inhaling its vapors. If ingested or exposed by mistake, seek medical attention immediately and bring information about the compound.

Last Update：2024-04-09 20:52:54