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Merck
CN

108138

Benzenesulfonyl chloride

99%

Synonym(s):

Phenylsulfonyl chloride

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About This Item

Linear Formula:
C6H5SO2Cl
CAS Number:
98-09-9
Molecular Weight:
176.62
NACRES:
NA.22
PubChem Substance ID:
24846802
eCl@ss:
39092406
UNSPSC Code:
12352100
EC Number:
202-636-6
MDL number:
MFCD00007426
Beilstein/REAXYS Number:
606926
Assay:
99%

Key Documents

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InChI

1S/C6H5ClO2S/c7-10(8,9)6-4-2-1-3-5-6/h1-5H

InChI key

CSKNSYBAZOQPLR-UHFFFAOYSA-N

SMILES string

ClS(=O)(=O)c1ccccc1

vapor pressure

0.04 mmHg ( 20 °C)

assay

99%

Quality Level

100

bp

251-252 °C (lit.)

mp

13-15 °C (lit.)

solubility

alcohol: soluble, cold water: insoluble, diethyl ether: soluble

density

1.384 g/mL at 25 °C (lit.)

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General description

Benzenesulfonyl chloride is prepared by reaction of benzene and chlorosulfonic acid or from the sodium salt of benzenesulfonic acid and PCl5 or POCl3. It reacts with Grignard reagent from N-unsubstituted indoles to form oxindoles or substituted indoles. Benzenesulfonyl chloride is the derivatization reagent for the determination of various amines in waste water and surface water at the sub-ppb level by gas chromatography-mass spectrometry.

Application

Benzenesulfonyl chloride may be used to develop fast, accurate and reproducible method for thiamine assay in different food products. It is useful reagent for preparing α-disulfones.

pictograms

CorrosionExclamation mark
GHS05,GHS07

signalword

Danger

hcodes

H302,H314

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1 - Skin Corr. 1B

Storage Class

8A - Combustible corrosive hazardous materials

wgk

WGK 1

flash_point_f

260.6 °F

flash_point_c

127 °C

ppe

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

Regulatory Information

危险化学品
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Certificates of Analysis (COA)

Lot/Batch Number
SDBB4847
STBK4167
STBK0242
STBG6287
03797MJV

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Synthesis, 490-490 (1993)
Benzenesulfonyl chloride
Adams R, et al.
Organic Syntheses, 1(84) (1921)
Unusual reactions of magnesium indolates with benzenesulfonyl chloride.
Wenkert E, et al.
The Journal of Organic Chemistry, 52(15), 3404-3409 (1987)
Zongren Li et al.
Chemistry, an Asian journal, 14(13), 2302-2308 (2019-05-12)
Here, we designed several waterborne polyurethanes (WPUs) with efficient thermally activated delayed fluorescence (TADF) via serving charge-transfer (CT) states as a mediate bridge between singlet and triplet states to boost reverse intersystem crossing (RISC). By tuning substituents of diphenyl sulfone
A G Soliman
Journal - Association of Official Analytical Chemists, 64(3), 616-622 (1981-05-01)
A semiautomated procedure was used to measure the fluorescence of sample extracts before and after the addition of benzenesulfonyl chloride (BSC). Addition of BSC inhibited thiochrome formation and provided a more representative blank based on the fluorescence of all the
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