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544272

5-Chlorothiophene-2-sulfonyl chloride

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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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

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

Corrosion
GHS05

signalword

Danger

hcodes

H314

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

Not applicable

ppe

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter

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