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  • Product Name:   Benzenesulfonyl chloride
  • Synonyms:   benezenesulfochloride;Benzenesulfchloride;Benzenesulfonchloride;Benzenesulfonic chloride;benzenesulfonicchloride
  • CAS No.:   98-09-9
  • Molecular Formula:   C6H5ClO2S
  • Molecular Weight :   176.62
  • Specification :   98%
  • Place of Origin:   China
  • Appearance :   
  • Document :   Download

Description of Benzenesulfonyl chloride
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.)
Fp  >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)
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
F  21
TSCA  Yes
HazardClass  8
PackingGroup  III
Hazardous Substances Data 98-09-9(Hazardous Substances Data)
Benzenesulfonyl chloride Usage And Synthesis
Chemical Properties colourless oily liquid
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.
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.
Benzenesulfonyl chloride Preparation Products And Raw materials
Raw materials Benzene-->Chlorosulfonic acid
Preparation Products Tosyl chloride-->2-Methyl-4-nitroaniline-->4-Methyl-2-nitroaniline-->Thiophenol-->(Trifluoromethyl)trimethylsilane-->Leuprorelin-->2-(2,3-DIHYDRO-1BENZENESULFONYL-PYRROLO[2,3-B]PYRIDIN-3-YL)ETHANAMINE-->Permanent Violet RL-->2-(2,3-DIHYDRO-1-BENZENESULFONYL-PYRROLO[2,3-B]PYRIDIN-3-YL)ACETONITRILE-->Sodium benzenesulfinate-->Benzenesulfonamide-->Sulfaquinoxaline-->2,5-Dichloropyridine-->2-(2-CHLOROETHOXY)-BENZENESULFONAMIDE-->BENZENETHIONOSULFONIC ACID, SODIUM SALT-->Salicylazosulfapyridine-->Edifenphos-->dimethyl p-octadecyl phenylsulfonyl amino propyl ammoium propylsulfonate-->1-(PHENYLSULFONYL)-1H-INDOLE-2-CARBALDEHYDE-->2,4-Dichloro-5-sulfamoylbenzoic acid-->Acid Yellow 79-->Azoic Diazo Component 34-->2-Methyl-3-nitroaniline-->16alpha,17-epoxypregna-4,9(11)-diene-3,20-dione -->Benzenesulfonyl hydrazide-->Benzenesulfonylazide-->17-hydroxypregna-4,9(11)-diene-3,20-dione -->Dibenzenesulfonimide

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