CAS 98-59-9: Tosyl chloride

Description:Tosyl chloride, also known as p-toluenesulfonyl chloride, is an organic compound with the chemical formula C7H7ClO2S. It is a colorless to pale yellow liquid that is highly reactive and serves as an important reagent in organic synthesis. Tosyl chloride is characterized by its sulfonyl chloride functional group, which makes it a potent electrophile, allowing it to react with nucleophiles to form tosylates. This property is particularly useful in the conversion of alcohols into better leaving groups, facilitating various substitution reactions. The compound has a strong, pungent odor and is soluble in organic solvents such as dichloromethane and ether, but is not soluble in water. Due to its reactivity, tosyl chloride must be handled with care, as it can cause severe irritation to the skin, eyes, and respiratory system. It is commonly used in the preparation of tosylate esters, which are valuable intermediates in the synthesis of pharmaceuticals and other organic compounds. Proper safety precautions, including the use of personal protective equipment, are essential when working with this chemical.

Formula:C₇H₇ClO₂S

InChI:InChI=1S/C7H7ClO2S/c1-6-2-4-7(5-3-6)11(8,9)10/h2-5H,1H3

InChI key:InChIKey=YYROPELSRYBVMQ-UHFFFAOYSA-N

SMILES:O=S(=O)(Cl)C1=CC=C(C=C1)C

Synonyms:
4-Methylbenzene-1-sulfonyl chloride
4-Methylbenzenesulfonyl chloride
4-Methylbenzenesulphonyl chloride
4-Methylphenylsulfonyl chloride
4-Toluene Sulfonyl Chloride
4-Toluene sulfochloride
4-Toluenesulfonyl chloride
4-Toluensulfonyl chloride
4-Toluolsulfonyl chloride
4-Tosyl chloride
See more synonyms
Benzenesulfonyl chloride, 4-methyl-
Chlorure de tosyle
Cloruro De Tosilo
Nsc 175822
P-Toluolsulfonylchlorid
P-toluene Sulphonyl chloride
P-toluene sulfonyl chloride
Ptsc
Toluene-4-sulfonyl chloride
Toluenesulfonyl chloride
Tosylchlorid
p-Methylbenzenesulfonyl chloride
p-Methylphenylsulfonyl chloride
p-Toluene Benzyl Sulfonyl Chloride
p-Toluenesulfochloride
p-Toluenesulfonic acid chloride
p-Toluenesulfonic chloride
p-Toluenesulfonyl chloride
p-Toluenesulphonyl chloride
p-Tolylsulfonyl chloride
p-Tosyl Chloride
Tosyl chloride

Found 9 products.

Product data	Purity	Price range	Estimated delivery
p-Toluenesulfonyl Chloride REF: 3B-T0272CAS: 98-59-9	>99.0%(GC)	44.00 €~70.00 €	Thu 24 Apr 25
4-Toluenesulphonyl chloride REF: 10-BR1703CAS: 98-59-9	97%	47.00 €~94.00 €	Thu 24 Apr 25
p-Toluenesulfonyl chloride, 98% REF: 02-A14547CAS: 98-59-9	98%	41.00 €~291.00 €	Fri 25 Apr 25
p-Toluenesulfonyl chloride REF: 7W-GK4222CAS: 98-59-9	≥ 98.0%	15.00 €~28.00 €	Fri 02 May 25
Toluene-4-sulphonyl chloride REF: 54-OR9931CAS: 98-59-9	97%	37.00 €~152.00 €	Fri 02 May 25
p-Toluenesulfonyl chloride, 99+% REF: AC-13903CAS: 98-59-9	99+%	27.00 €~696.00 €	Tue 06 May 25
p-Toluenesulfonyl Chloride REF: 4Z-K-0123CAS: 98-59-9	- - -	To inquire	Thu 08 May 25
p-Toluenesulfonyl Chloride REF: TR-T535905CAS: 98-59-9	- - -	91.00 €~227.00 €	Tue 13 May 25
4-Toluenesulfonyl chloride REF: 3D-FT02715CAS: 98-59-9	Min. 95%	143.00 €~912.00 €	Mon 12 May 25