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T35955 Sigma-Aldrich

p-Toluenesulfonyl chloride

reagent grade, ≥98%

Synonym: Tosyl chloride

  • CAS Number 98-59-9

  • Linear Formula CH3C6H4SO2Cl

  • Molecular Weight 190.65

  •  Beilstein Registry Number 607898

  •  EC Number 202-684-8

  •  MDL number MFCD00007450

  •  PubChem Substance ID 57654666

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Properties

Related Categories Chemical Synthesis, Other Protecting and Derivatizing Reagents, Protecting and Derivatizing Reagents, Protection and Derivatization, Synthetic Reagents More...
grade   reagent grade
vapor pressure   1 mmHg ( 88 °C)
InChI Key   YYROPELSRYBVMQ-UHFFFAOYSA-N
assay   ≥98%
bp   134 °C/10 mmHg(lit.)
mp   65-69 °C (lit.)

Description

Packaging

1 kg in poly bottle

250 g in glass bottle

3 kg in poly drum

Application

p-toluenesulfonyl chloride may be used along with N-methylimidazole for the esterification or thioesterification of carboxylic acids and alcohols or thiols. It may also be used as a chlorine source for α-chlorination of ketones in the presence of lithium diisopropylamide.

Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
Precautionary statements 
RIDADR 
UN 3261 8 / PGIII
WGK Germany 
1
RTECS 
DB8929000
Flash Point(F) 
262.4 °F
Flash Point(C) 
128 °C

Documents

Certificate of Analysis

Certificate of Origin


Same Products - New Packaging
Protocols & Articles
Peer-Reviewed Papers
15

References

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