Best Tosyl Chloride CAS NO 98-59-9

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Tosyl Chloride

Products Description

Name: Tosyl Chloride

Cas: 98-59-9

Purity: 99%min


Basic Info:

CAS No.:






Stock Availability

In stock

Brand Name

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Product Introduction:

Tosyl Chloride (4-methylsulfonyl chloride, often abbreviated as: TosCl or TsCl) is an organic compound with the molecular formula CH3C6H4SO2Cl.

The compound is a white solid reagent with foul odor, has a pungent odor, is insoluble in water, and is easily soluble in ethanol, ether and benzene.

Tosyl Chloride is a derivative of toluene and sulfonyl chloride functional groups and is widely used in organic synthesis.

As a fine chemical product, Tosyl Chloride (TsCl) is in increasing demand in various industries.

Product Nature:

  • Density: 1,006 g/cm3
  • Boiling point: 134 °C10 mm Hg(lit.)
  • Melting point: 65-69 °C (lit.)
  • Flash point: 128 °C
  • Refractive index: 1.545
  • Water solubility: hydrolyses


Product NameTosyl Chloride Powder
CAS No.98-59-9
Appearance White crystalline powder
Content99% min
Shelf Life2 years
Packing1kg/bag,25kg/bag or as your requirements

Product Usage:

Tosyl Chloride is an important fine chemical product, which is extensively used in dye and also pharmaceutical sectors.

  • It is an important organic synthetic drug intermediate, mainly utilized for the synthesis of chloramphenicol, chloramine-T, thiamphenicol and various other medications.
  • p-Toluenesulfonyl chloride is an intermediate of disperse dyes, ice dyes as well as acid dyes.
  • In industry, Tosyl Chloride is primarily utilized as an analytical reagent, and is additionally utilized in molecular rearrangement responses in natural synthesis, color preparation and also hormonal agent synthesis.
  • In the pharmaceutical industry, it is used to synthesize more than ten kinds of antibacterial and anti-inflammatory drugs such as betamethasone as well as metsulfuron.
  • Tosyl Chloride is utilized in organic synthesis, sulfonamide medicines as well as pesticide intermediates, generally used in the production of mesotrione, sulcotrione, sulfamethoxazole, and so on.

With the continuous growth of dyestuff, medicine and also pesticide sectors, the international demand for this product is increasing each day.



Pre-Sales Service

* Timely reply and 24 hours online, the professional team will provide you with the most favorable prices and high-quality products.

* The sample supports testing and inspection.

* Each batch of products will be tested to ensure that its quality meets user needs.

*Packaging can also be made according to customer requirements.

*Any inquiries will be answered by our relevant personnel within 24 hours.

*We will provide you with commercial invoice, packing list, packing list, COA, health certificate and certificate of origin if you need it. If your market has other special requirements, please let us know.


After-Sales Service

*We will monitor the logistics information in real time and will share the information with you.

* You can consult us at any time if you have any questions about the product, and we will answer you in time.

*If you have any questions about the product, you can report it to us, we will deal with it in time for you, and the product can be returned.


1. For products ≤50kg, we recommend using express delivery, which is usually called DDU service (discounted, convenient).

2. For products ≤500kg, we generally recommend air freight, which is usually called FOB, CFR or CIF service (fast and efficient).

3. For products >500kg, we generally recommend shipping by sea, which is usually called FOB, CFR or CIF service (economical, safe).

4. For high-value products, please choose air or express to ensure the safety of product transportation.


Do you accept sample order?

We will make samples before mass production. After the samples are approved by the department and users, we will start mass production. During the production process, we will carry out 100% inspection, and then carry out random inspection before packaging.

How to confirm whether the product quality meets our needs before placing an order?

You can consult us to get free samples of some products, you only need to pay the freight or arrange express delivery to us and get the samples. You can send us the product specifications and requirements you need, and we will manufacture products according to your requirements.

What’s your MOQ?

Our MOQ is 1kg. But usually we can also accept a smaller quantity, such as 100g, if you need it, provided that the sample fee is 100% paid.

Do you supply product report?

Yes. We’ll give you product analysis report before shipping.

  Is there a discount?

Different quantity has different discount.

Learn more about us

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Packaging and shipping

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Tosyl Chloride