Chemical · Product Detail
Methanesulfonyl Chloride (MSC)
Moisture-sensitive sulfonylation reagent for professionally controlled intermediate synthesis.
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Methanesulfonyl Chloride (MSC) at a Glance
ZXCHEM is a methanesulfonyl chloride (MSC) supplier and exporter in China. Methanesulfonyl chloride, commonly called mesyl chloride, is a moisture-sensitive sulfonylation reagent identified by CAS 124-63-0. It is supplied as transparent oily liquid with assay >99.5%.
Request a free sample for testing.
Standard lead time is approximately 14 days from order confirmation.
Methanesulfonyl Chloride (MSC) Specifications
Grade-specific supply limits. The agreed specification and batch COA govern delivery.
Commercial Information
Storage & Shipping
Storage Conditions
Store locked and tightly sealed in dry, compatible original containers in a cool, ventilated area. Exclude water and moisture; segregate from bases, alcohols, oxidizing agents and incompatible reactants.
Packaging Integrity
Inspect container seals, liners and pallet wrapping before unloading. Retain product and lot labels; use clean, dry tools and reseal opened packages promptly.
Packaging
250 kg net PE drums, IBC or ISO tank
Handling & Protection
Use a closed, dry transfer system with effective local extraction. Prevent inhalation and all skin or eye exposure; use chemical-resistant gloves, protective clothing and eye/face protection. Establish respiratory and emergency controls through a qualified exposure assessment.
What Is Methanesulfonyl Chloride (MSC)?
Methanesulfonyl chloride (MSC, mesyl chloride), CAS 124-63-0, CH3ClO2S, is a sulfonylating agent used in pharmaceutical, agrochemical and fine-chemical synthesis to make mesylates and methanesulfonamides.
The supply grade has assay above 99.5%, colour ≤20 APHA, water ≤20 ppm, iron ≤10 ppm and heavy metals ≤10 ppm.
It ships as Class 6.1 with subsidiary Class 8. It is toxic, corrosive and reacts with water, so keep equipment dry and use closed handling.
As a methanesulfonyl chloride supplier and exporter in China, ZXCHEM ships it in 250 kg PE drums, IBCs or ISO tanks.
See all chemical intermediates in our catalog.
Methanesulfonyl Chloride (MSC) Applications
Pharmaceutical synthesis
Mesylating agent for drug intermediates.
Agrochemicals
Reagent in agrochemical synthesis.
Fine chemicals
Reagent for methanesulfonamides and other derivatives.
Why Source Methanesulfonyl Chloride (MSC) from ZXCHEM
Combined chemical orders
Source several chemical raw materials through one ZXCHEM contact. We coordinate product selection, quotations and suitable consolidated shipments so you can plan the order with one team.
Dedicated R&D Laboratory
Discuss specifications, sample results and application questions with our technical team. Our dedicated R&D laboratory supports product testing and helps clarify material selection.
Experienced Chemical Logistics
ZXCHEM has more than 30 years of experience in dangerous-goods transportation. We coordinate suitable shipments through logistics companies in which we hold equity interests in Qingdao, Shanghai, Guangzhou and Tianjin.
Dedicated Purchasing Support
Your account manager follows the order from quotation and contract signing through shipment and after-sales support. One contact coordinates technical documents, commercial details and delivery updates.
Methanesulfonyl Chloride (MSC) FAQ
Which Methanesulfonyl Chloride grade should I choose?
The listed supply specification is Assay >99.5%. Check the TDS for assay and impurity limits, then test a sample for compatibility and performance in your process.
Can I request a Methanesulfonyl Chloride sample for testing?
Yes. We can provide free samples for testing. Tell us the application, the grade you need and the tests you plan to run.
How is Methanesulfonyl Chloride packed and shipped?
Standard packing is 250 kg net PE drums, IBC or ISO tank. The usual MOQ is 1,000 kg, with a lead time of approximately 14 days from order confirmation. The stated bulk transport classification is Class 6.1 — Toxic; subsidiary risk 8.
Which documents are available for Methanesulfonyl Chloride?
The TDS lists the supply specification and the SDS covers safety and transport; both can be downloaded on this page. Each shipment comes with a batch COA.
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