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Benzenesulfonyl chloride

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Benzenesulfonyl chloride Basic information

Product Name:
Benzenesulfonyl chloride
Synonyms:
  • Benzenesulphochloride
  • BENZENESULFONYL CHLORIDE FOR SYNTHESIS
  • Benzenesulfonyl chloride for HPLC derivatization
  • Benzenesulfonyl Chloride , 99.0%(GC&T
  • Benzene Sulfonyl chloride & derivatives
  • 4-Benzenesulfonic acid chloride
  • Phenylchloro sulfone
  • Benzenesulfonyl chloride,96%
CAS:
98-09-9
MF:
C6H5ClO2S
MW:
176.62
EINECS:
202-636-6
Product Categories:
  • Building Blocks
  • Chemical Synthesis
  • Organic Building Blocks
  • Sulfonyl Halides
  • Sulfur Compounds
  • Sulfonyl Halides
  • Sulfonyl HalidesDerivatization Reagents
  • Derivatization Reagents HPLC
  • Organic Building Blocks
  • Sulfur Compounds
  • UV-VIS
  • A-B, Puriss p.a.
  • Analytical Reagents for General Use
  • Puriss p.a.
  • Pharmaceutical Intermediates
  • Organics
Mol File:
98-09-9.mol
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Benzenesulfonyl chloride Chemical Properties

Melting point:
14.5 °C
Boiling point:
251-252 °C(lit.)
Density 
1.384 g/mL at 25 °C(lit.)
vapor pressure 
0.04 mm Hg ( 20 °C)
refractive index 
n20/D 1.551(lit.)
Flash point:
>230 °F
storage temp. 
2-8°C
solubility 
alcohol: soluble
form 
Liquid
color 
Clear
Water Solubility 
may decompose
Sensitive 
Moisture Sensitive
Merck 
14,1072
BRN 
606926
Stability:
Stable. Incompatible with water, strong oxidizing agents, strong bases, methyl formamide, dimethyl sulfoxide.
CAS DataBase Reference
98-09-9(CAS DataBase Reference)
NIST Chemistry Reference
Benzenesulfonyl chloride(98-09-9)
EPA Substance Registry System
Benzenesulfonyl chloride (98-09-9)
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Safety Information

Hazard Codes 
C
Risk Statements 
20/22-34-42/43-29-22
Safety Statements 
23-26-36/37/39-45
RIDADR 
UN 2225 8/PG 3
WGK Germany 
1
RTECS 
DB8750000
21
TSCA 
Yes
HazardClass 
8
PackingGroup 
III
HS Code 
29049090
Hazardous Substances Data
98-09-9(Hazardous Substances Data)
Toxicity
LD50 orl-rat: 1960 mg/kg MEPAAX 20,513,69

MSDS

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Benzenesulfonyl chloride Usage And Synthesis

Chemical Properties

colourless oily liquid

Chemical Properties

Benzenesulfonyl chloride is a colorless oily liquid with a pungent odor.

Uses

Intermediates of Liquid Crystals

General Description

A colorless to slightly yellow solid that melts at approximately 40°F. Very irritating to skin, eyes and mucous membranes. May emit toxic fumes when heated to high temperatures. Used to make dyes and other chemicals.

Air & Water Reactions

Insoluble and stable in cold water [Merck]. Decomposes in hot water to produce corrosive and toxic hydrochloric acid and benzenesulfonic acid. Rate of reaction decreases as temperature decreases.

Reactivity Profile

Benzenesulfonyl chloride is incompatible with strong oxidizing agents and bases, including amines. Corrodes metals in the presence of water due to slow formation of hydrochloric acid and benzenesulfonic acid [USCG, 1999]. May react vigorously or explosively if mixed with diisopropyl ether or other ethers in the presence of trace amounts of metal salts [J. Haz. Mat., 1981, 4, 291].

Health Hazard

May be fatal if inhaled, swallowed or absorbed through skin. Contact may cause skin and eye burns. Irritating to eyes, skin and mucous membranes. INGESTION: May cause abdominal spasm and vomiting.

Safety Profile

Poison by intraperitoneal route. Adangerous storage hazard. It may explode in a sealedbottle. Explosive reaction with dimethyl sulfoxide. Reactsvigorously with methyl formamide. When heated todecomposition it emits toxic fumes of Cl- and SO

Potential Exposure

It is used as a chemical intermediate for benzenesulfonamides, thiophenol, glybuzole (hypoglycemic agent), N-2-chloroehtylamides, benzonitrile; for its esters-useful as insecticides, and miticides.

Shipping

UN2225 Benzene sulfonyl chloride, Hazard class: 8; Labels: 8—Corrosive material.

Purification Methods

Distil the sulfonyl chloride, then treat it with 3mole % each of toluene and AlCl3, and allow it to stand overnight. The sulfonyl chloride is distilled off at 1mm pressure and then carefully fractionally distilled at 10mm in an all-glass column. [Adams & Marvel Org Synth Coll Vol I 84 1941, Jensen & Brown J Am Chem Soc 80 4042 1958, Beilstein 11 IV 49.] It is TOXIC.

Incompatibilities

Violent reaction with strong oxidizers, dimethyl sulfoxide, and methyl formamide. It is very reactive with bases and many organic compounds. Incompatible with ammonia, aliphatic amines. Water contact forms hydrochloric and chlorosulfonic acids. Aqueous solutions of this chemical are strong acids that react violently with bases. Attacks metals in presence of moisture.

Benzenesulfonyl chlorideSupplier

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