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544272

5-Chlorothiophene-2-sulfonyl chloride

Name: 5-Chlorothiophene-2-sulfonyl chloride
Brand: ALDRICH

96%

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About This Item

Empirical Formula (Hill Notation):

C₄H₂Cl₂O₂S₂

CAS Number:

2766-74-7

Molecular Weight:

217.09

NACRES:

NA.22

PubChem Substance ID:

24878721

UNSPSC Code:

12352100

MDL number:

MFCD00051667

Assay:

96%

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Properties

Quality Segment

100

assay

96%

refractive index

n20/D 1.586 (lit.)

bp

112-117 °C (lit.)

density

1.623 g/mL at 25 °C (lit.)

functional group

chloro

storage temp.

2-8°C

SMILES string

Clc1ccc(s1)S(Cl)(=O)=O

InChI

1S/C4H2Cl2O2S2/c5-3-1-2-4(9-3)10(6,7)8/h1-2H

InChI key

SORSTNOXGOXWAO-UHFFFAOYSA-N

Description

General description

5-Chlorothiophene-2-sulfonyl chloride can be prepared from 2-chlorothiophene by reacting with chlorosulfonic acid in the presence of phosphorus pentachloride.

Application

5-Chlorothiophene-2-sulfonyl chloride may be used in the preparation of:

(S)-N-(5-chlorothiophene-2-sulfonyl)-β,β-diethylalaninol
N-(3-(1H-pyrazol-1-yl)pyridin-2-yl)-5-chlorothiophene-2-sulfonamide
5-chloro-4-nitrothiophene-2-sulfonyl chloride

pictograms

GHS05

signalword

Danger

hcodes

H314

pcodes

P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338 - P363 - P405

Hazard Classifications

Eye Dam. 1 - Skin Corr. 1B

Storage Class

8A - Combustible corrosive hazardous materials

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c