BGC » Chemicals A-Z » 4-Toluenesulfonyl chloride

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Identify Suppliers 2026 Properties Safty

4-Toluenesulfonyl chloride

BGC Id:	730171854317
CAS No:	98-59-9
Synonyms:	tosylchlorid ; 4-toluene sulfonyl ; tosyl chloride ; 4-tosyl chloride ; p-toluenesulfonyl ; tos-cl ; akos bbs-00004428 ; p-tosyl chloride ; ptsc ; p-toluenesulfochloride
Molecular Formula:	C7H7ClO2S
Molecular Weight:	190.65
EINECS:	202-684-8

Verified providers in 2026

The following notable provider has been checked and can be recommended.

Dayang Chem (Hangzhou) Co.,Ltd.

Company type: Leading producer

Phone: +86-571-88938639
Telefax: +86-571-8893-8652
Country: P.R.China

Hangzhou DayangChem Co. Ltd is a comprehensive entity which specializes in development, production and trade of pharmaceutical, agrochemical and dyestuff intermediates as well as some special type reagents. We have an own factory and share enterprises. Dayang Chem (Hangzhou) Co.,Ltd. also offers 1-(Furan-2-yl)propan-2-amine. We act also as agent of many chemical factories and promote their products to the international m ...

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What other providers are available for CAS 98-59-9?

The last intensive check and update was carried out on 2026/03/01.

Identify

Synonyms:

tosylchlorid ; 4-toluene sulfonyl ; tosyl chloride ; 4-tosyl chloride ; p-toluenesulfonyl ; tos-cl ; akos bbs-00004428 ; p-tosyl chloride ; ptsc ; p-toluenesulfochloride

CAS:

98-59-9

EINECS:

202-684-8

Molecular Formula:

C7H7ClO2S

MDL:

Properties

Molecular Weight:

190.65 g·mol−1

Density:

1,006 g/cm³

Melting point:

65-69 °C(lit.)

Boiling point:

134 °C10 mm Hg(lit.)

Flash point:

128 °C

Solubility:

methylene chloride: 0.2 g/mL, clear

Safety Information

Hazard Symbols: C, Xi

Europe standard Hazard pictograms, code and definition

Hazard Classes:

Risk Codes:

34-29-41-38 (R)

Safety Codes:

26-36/37/39-45-27-39 (S)

WGK Germany:

RID / ADR:

UN 3261 8 / PG 2

Storage temperature:

Store at RT.

The following providers cannot be verified precisely. The companies have offered the product in the past, but despite all care, the companies could not confirm it 100 percent!

KHBoddin GmbH

- Serving customers - KHBoddin GmbH is the customer's choice as a supplier for chemical raw materials, intermediates and specialities because of its... Request

Merck Schuchardt OHG

Merck Schuchardt OHG, a 100% subsidiary of Merck KGaA, Germany, has, for the last 150 years, been one of the leading German producers and suppliers of... Request

What other providers are available for CAS 98-59-9?

In addition to the providers presented here for 4-Toluenesulfonyl chloride with the CAS number 98-59-9, there are other 118 providers with slightly different product names available for this CAS number.

Ptsc

+1 additional providers that we know from the past

Tosyl chloride

Junwee Chemical Co., Ltd. | Senzhuo Industry Co.,Ltd | Shandong Lanhai Industry Co.,Ltd. | Hangzhou Meite Industry Co., Ltd (Hangzhou Meite Chemical Co., Ltd) +8 additional providers that we know from the past

p-Tosyl chloride

4-Toluenesulfonylchloride

+1 additional providers that we know from the past

p-Toluenesulfonyl chloride

p-Toluenesulfonic acid chloride

+1 additional providers that we know from the past

4-Methylbenzenesulfonyl chloride

Hangzhou Zhongqi Chem Co., Ltd +7 additional providers that we know from the past

(2R)-2-[[(2S)-2-Amino-3-(4-hydroxyphenyl)-1-oxopropyl]amino]-5-(diaminomethylideneamino)pentanoic acid methyl ester