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p-Toluenesulfonyl chloride

BGC Id:710325984680
CAS No:98-59-9
Synonyms:tos-cl ; p-tosyl chloride ; tosylchlorid ; tosyl chloride ; p-toluenesulfonyl ; p-toluenesulfochloride ; 4-toluene sulfonyl ; 4-tosyl chloride ; akos bbs-00004428 ; ptsc
Molecular Formula:C7H7ClO2S
Molecular Weight:190.65
EINECS:202-684-8
Structural Formula

Verified providers in 2025

The following 8 notable providers have been checked and can be recommended.
Chemical-Suppliers
Sancai Industry
Appearance   White crystalline powder
Assay   ≥ 99%
free acid (benzenesulfonicacid)%   ≤ 0.2
moisture content %   ≤ 0.1
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The last intensive check and update was carried out on 2025/06/04.

Identify

Synonyms:
tos-cl ; p-tosyl chloride ; tosylchlorid ; tosyl chloride ; p-toluenesulfonyl ; p-toluenesulfochloride ; 4-toluene sulfonyl ; 4-tosyl chloride ; akos bbs-00004428 ; ptsc
CAS:
98-59-9
EINECS:
202-684-8
Molecular Formula:
C7H7ClO2S
MDL:
SMILES:
COC1=CC(=C(C=C1)S(=O)(=O)N)OC

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
download Download Molfile for :
p-​Toluenesulfonyl Chloride

Suppliers

Tianjin Zhongxin Chemtech Co., Ltd.

Company type: Leading producer
Founded in 1995, TIANJIN ZHONGXIN CHEMTECH CO.,LTD. (ZX CHEMTECH) has been striving to meet the requirements of customers through an understanding of their individual needs, providing high quality products and value-added services, sourcing for a wide range of chemicals for various clients worldwide. Based on a quick response and strong emphasis on customer satisfaction, with an experienced team of professionals, ZX CHEMTECH has grown quickly to become a one stop solution and ...
Country: P.R.China   Phone: +86-22-66880623   Telefax: +86-22-66880086

Newstar Chem Enterprise Ltd.

Company type: Leading producer
Country: P.R.China
Phone: +86-572-2722882
Telefax: +86-574-2722892
Newstar Chem Enterprise Ltd. is a technology based company located in Huzhou. We have our own factories in Zhejiang Province, Jiangsu province and Shandong province, mainly producing pharmaceutical/veterinary raw material, Food/feed additives, herbal extracts, intermediates and other fine chemicals. Through decades years development, we also established a good long term business relationship with thousands of manufacturers in China and becomes sales agent for them. We sell Tributyl citrate as well. Most of th ...

Sancai Industry Co.,Ltd.

Sancai Industry is involved in supplying of fine chemicals, food and nutrition,personal care, medical intermediate etc, We can also customize chemicals for our customers.Taking advantage of innovative technology and excellent talents and through over 15 years of development,We have stabled good relation with clients in and abroad. In order to be competitive on the market. Diallyl phthalate is also served by Sancai Industry Co.,Ltd.. We have established the global marketing network, independent research center, testing center, and key ...
Company type: Leading producer
Country: P.R.China
Phone: +86-531-88913079
Telefax: +86-531-88913079

Zehao Industry Co., Ltd.

The Shepherd Chemical Company was founded in Norwood, Ohio, in 1916. We are a fourth-generation company and a custom manufacturer of Inorganic Metal Salts and Organic Metal Compounds to the global marketplace. We are supplier of 2,5-Dimethoxycinnamic acid. Our long-standing success is built upon technical expertise, supplier reliability, and customer relationships. Our goal is to supply the marketplace with high quality metal compounds as standard or customized products. Our capabilities are comprised of our manufacturi ...
Country: P.R.China   Phone: +86-531-88909322   Telefax: +86-531-88909322

Capot Chemical Co., Ltd.

Company type: Leading producer
Country: P.R.China
Phone: +86-571-85586718
Telefax: +86-571-85864795
Welcome to Capotchem • Established in 1996 ,Capot Chemical Co.,Ltd is a fine organics manufacturing facility which located in Hangzhou,P.R.China. We produce a wide range of organics, especially fluorine, boronic acids, amino acids, unnatural amino acids, peptide, cross linkers, organocatalysts, chiral building blocks, heterocyclic compounds and other active pharmaceutical ingredients compounds. We are seller of Benzyl isothiocyanate. We are certified to the ISO 9001:2000 Standards, have a safety management syste ...

Carbone Scientific Co., Ltd.

Carbone scientific is located at London, UK. Additionally DHEA-acetate is supplied by us. We are mainly engaged in the marketing development, R&D, technical support and service. Carbone scientific provides fine chemicals, pharmaceutical intermediates, and active pharmaceutical ingredients to the global marketplaces. Our aim is to make those most popular products available to these pharmaceutical and biotech companies, research organizations and university labs worldwide. Our online catalogue has already listed over 50 ...
Company type: Supplier
Country: U.K.
Phone: +44 (0)203 769 4441 ext 1
Telefax: +44 (0)203 769 4441 ext 2

AK Scientific, Inc.

Company type: Supplier
AK Scientific provides fine chemicals and advanced intermediates to our customers worldwide. Currently, we have over 16.000 in stock, ready to ship products, at our California warehouse and this number is increasing weekly. AK Scientific, Inc. is a seller of DL-Pyroglutamic acid. All these products are stocked in multiple, convenient, sizes to fit your specific needs. Purchases are shipped on the same day your order is placed (before 4PM, Pacific Time) to ensure on-time delivery. AK Scientific products can be searched by Name (or ...
Country: USA   Phone: +1 (510) 429-8835   Telefax: +1 (510) 429-8836

BuGuCh & Partners

Company type: Producer
Country: Germany
We, BuGuCh & Partners, are an international acting and innovative company, leading in developing and manufacturing. We operates major facilities in North America, Europe and the Pacific Rim, as well as facilities in China, Japan and Saudi Arabia operated through joint ventures. We maintain independently or are partners of some production sites in Europe, Asia and South America. Our global network is a strength. Our products range from natural gas, oil and basic chemi ...

Safety Information

Hazard Classes:
8
Risk Codes:
34-29-41-38 (R)
Safety Codes:
26-36/37/39-45-27-39 (S)
WGK Germany:
1
RID / ADR:
UN 3261 8 / PG 2
Storage temperature:
Store at RT.

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

In addition to the providers presented here for p-Toluenesulfonyl chloride with the CAS number 98-59-9, there are other 80 providers with slightly different product names available for this CAS number.

+1 additional providers that we know from the past
Junwee Chemical Co., Ltd. | Senzhuo Industry Co.,Ltd | Shandong Lanhai Industry Co.,Ltd. | Shanghai Hanhong Scientific Co., Ltd. | Hangzhou Meite Industry Co., Ltd (Hangzhou Meite Chemical Co., Ltd) +7 additional providers that we know from the past
Simagchem Corporation | Sancai Industry Co.,Ltd. | Shandong Minglang Chemical Co., Ltd | H&Z Industry Co.,Ltd | Xingrui Industry Co., Limited | Lori Industry Co., Ltd | Shandong SanYoung Industry Co., Ltd | Xiamen Equation Chemical Co.,Ltd | Leap Chem Co., Ltd | Skyrun Industrial Co., Ltd. +23 additional providers that we know from the past
+1 additional providers that we know from the past
Dayang Chem (Hangzhou) Co.,Ltd. | BuGuCh & Partners +16 additional providers that we know from the past
+1 additional providers that we know from the past
Hangzhou Zhongqi Chem Co., Ltd +7 additional providers that we know from the past




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