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2-Chlorobenzenesulfonyl chloride

2-Chlorobenzenesulfonyl chloride structure

CAS No:
2905-23-9
Formula:
C6H4Cl2O2S
Chemical Name:
2-Chlorobenzenesulfonyl chloride
Synonyms:
Benzenesulfonyl chloride,2-chloro-;Benzenesulfonyl chloride,o-chloro-;2-Chlorobenzenesulfonyl chloride;o-Chlorobenzenesulfonyl chloride;2-Chlorophenylsulfonyl chloride;NSC 151229;2-Chlorobenzene-1-sulfonyl chloride
Categories:
Chemical Reagents > Organic Reagents

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Description

clear yellow to orange-red liquid

2-Chlorobenzenesulfonyl chloride Basic Attributes

Molecular Weight：

211.07

Exact Mass：

211.07

BRN：

974321

EC Number：

220-807-3

NSC Number：

151229

DSSTox ID：

DTXSID3074731

HScode：

2904909090

Characteristics

PSA：

42.5

XLogP3：

2.2

Appearance：

Clear yellow to orange-red Liquid or Low Melting Solid

Density：

1.5±0.1 g/cm3

Melting Point：

27.4 °C @ Solvent: Hexane

Boiling Point：

144-146 °C @ Press: 12 Torr

Flash Point：

140 °F

Refractive Index：

1.569

Water Solubility：

It reacts with water.

Vapor Pressure：

0.00352mmHg at 25°C

Toxicity：

Oral-rat LD50: 7500 mg/kg; Oral-Mouse LD50: 2750 mg/kg

Flammability characteristics：

Thermal decomposition releases toxic nitrogen oxides and sulfur oxide fumes

Safety Information

Packing level：

Ⅱ

Hazard category：

Transport codes：

UN 2920 8/PG 2

wgk germany：

hazard class code：

safety instructions：

26-36/37/39-45

RTECS Number：

DB8925500

Marks：

Storage features：

The warehouse is low-temperature, ventilated and dry

Hazard note：

Corrosive

Precautionary statement(s)：

P280-P305 + P351 + P338-P310

Hazard Statements：

H226-H314

GHS Classification：

|Danger|H226 (89.36%): Flammable liquid and vapor [Warning Flammable liquids]|P210, P233, P240, P241, P242, P243, P260, P264, P280, P301+P330+P331, P303+P361+P353, P304+P340, P305+P351+P338, P310, P321, P363, P370+P378, P403+P235, P405, and P501|Aggregated GHS information provided by 47 companies from 5 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Toxicity

Toxicity class：

moderately toxic

Drug Information

MeSH Entry Terms：

2-CBSC

2-Chlorobenzenesulfonyl chloride Use and Manufacturing

Methods of Manufacturing

The o-chloroaniline, concentrated hydrochloric acid and glacial acetic acid were mixed and stirred, and the temperature was lowered to below 0°C. Sodium nitrite solution was added dropwise. After the diazotization reaction, SO2 glacial acetic acid solution containing copper chloride was added and reacted for 1.5 hours. Then it was iced out and extracted with ether. The extract was washed with alkaline water to neutrality, dried, and evaporated to remove the ether. Finally, the 96-98°C (0.133kPa) fraction was collected by vacuum distillation to obtain o-chlorobenzenesulfonyl chloride.

Uses

Pesticide intermediates.

Manufacturing Info：

Benzenesulfonyl chloride, 2-chloro-: ACTIVE|PMN - indicates a commenced PMN (Pre-Manufacture Notices) substance.

Computed Properties

Molecular Weight:211.06
XLogP3:2.2
Hydrogen Bond Acceptor Count:2
Rotatable Bond Count:1
Exact Mass:209.9309059
Monoisotopic Mass:209.9309059
Topological Polar Surface Area:42.5
Heavy Atom Count:11
Complexity:219
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

Downstream Products

N-Methylaniline

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Guide of 2-Chlorobenzenesulfonyl chloride

Description
Basic Attributes
Characteristics
Safety Information
Toxicity
Drug Information
Use and Manufacturing
Computed Properties
Downstream Products
Latest News
Learn More Other Chemicals

2-Chlorobenzenesulfonyl chloride

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