Triphenylsulfonium chloride

Basic Information

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CAS Number

4270-70-6

Molecular Formula

C18H15ClS

Molecular Weight

298.83 g/mol

Chemical Classification

Fine Chemicals Surfactants Anionic Surfactants

Agricultural Chemicals Pesticides Herbicides

Basic Physical Properties

Water Solubility

Soluble in water.

SMILES

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c1ccc(cc1)[S+](c1ccccc1)c1ccccc1.[Cl-]

InChI

1S/C18H15S.ClH/c1-4-10-16(11-5-1)19(17-12-6-2-7-13-17)18-14-8-3-9-15-18;/h1-15H;1H/q+1;/p-1

InChIKey

ZFEAYIKULRXTAR-UHFFFAOYSA-M

LogP

1.78600

Complexity

202

Synonyms & References

English

Triphenylsulfonium chloride
TRIPHENYLSULPHONIUM CHLORIDE
Sulfonium,triphenyl-,chloride
SulfoniuM,triphenyl-,chloride (1:1)
triphenylsulfanium chloride
triphenyl-sulfoniuchloride
triphenylsulfonium ion
Triphenylsulfoniumchlorid
triphenylsulfurchloride
Tris(phenyl)sulphonium chloride
Sulfonium,triphenyl-, chloride (8CI,9CI)
Triphenylsulfonium chloride (6CI,7CI)

MDL Number

MFCD00031716

Customs Code

2930909090

FAQ

What are the physical and chemical properties of Triphenylsulfonium chloride (CAS: 4270-70-6)?

Triphenylsulfonium chloride (CAS: 4270-70-6) is a crystalline solid with a molecular weight of approximately 318.36 g/mol. It is slightly soluble in water and non-polar solvents. Chemically, it is prone to hydrolysis and is reactive towards nucleophiles. It exhibits a low reactivity towards electrophiles due to its stable aromatic structure.

How is Triphenylsulfonium chloride (CAS: 4270-70-6) typically synthesized?

Triphenylsulfonium chloride (CAS: 4270-70-6) is usually synthesized by treating phenylsulfonium triflate with hydrochloric acid. Commonly, this reaction occurs in anhydrous organic solvents, leading to a high yield of the product. The reaction is highly selective and can be performed at room temperature with appropriate stirring.

What industries use Triphenylsulfonium chloride (CAS: 4270-70-6)?

Triphenylsulfonium chloride (CAS: 4270-70-6) is widely used in the pharmaceutical industry for intermediate synthesis, in polymer applications to improve material properties, in sensor technology for detection purposes, and in semiconductor manufacturing for etching processes. It is also utilized in photolithography and as a reagent in organic synthesis.

What precautions should be taken when handling Triphenylsulfonium chloride (CAS: 4270-70-6)?

When handling Triphenylsulfonium chloride (CAS: 4270-70-6), it is essential to wear protective equipment such as gloves, goggles, and a lab coat. Work should be conducted in a well-ventilated area or with a fume hood. Avoid contact with skin and eyes. In the event of a spill, neutralize the acid and dispose of it according to local regulations. Always refer to the Safety Data Sheet (SDS) for detailed safety information.