Sodium 2-chloroethanesulfonate monohydrate
Sodium 2-chloroethanesulfonate monohydrate (CAS 15484-44-3) is an organic sulfur compound with the linear formula ClCH2CH2SO3Na H2O. This white crystalline solid, with a molecular weight of 184.57 g/mol, is a valuable intermediate in chemical synthesis. It serves as a building block for creating more complex organic molecules, particularly in research and development settings within the fine chemical and pharmaceutical industries. Its utility stems from the reactive chloro- and sulfonate groups.
- IUPAC
- 2-Chloroethanesulfonic acid sodium salt monohydrate
- Synonyms
- 2-Chloroethanesulfonic acid sodium salt monohydrate
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Organic Synthesis Intermediate
Sodium 2-chloroethanesulfonate monohydrate acts as a key building block in the synthesis of various organic compounds. Its structure allows for versatile reactions, enabling the introduction of the ethanesulfonate moiety into larger molecules.
Research and Development
This compound is utilised in academic and industrial laboratories for exploring new synthetic routes and developing novel materials. It is instrumental in studies requiring specific sulfur-containing organic structures.
Pharmaceutical Intermediates
It can serve as a precursor in the multi-step synthesis of active pharmaceutical ingredients (APIs). The compound's functional groups facilitate its incorporation into complex molecular architectures relevant to drug discovery.
| Molecular weight | 184.57 |
|---|---|
| Linear formula | ClCH2CH2SO3Na · H2O |
| Assay | 98% |
| Melting point | 292 °C (dec.)(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Sodium 2-chloroethanesulfonate monohydrate used for?
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Sodium 2-chloroethanesulfonate monohydrate is primarily used as a building block and intermediate in organic synthesis, particularly in research and development and for the preparation of pharmaceutical intermediates.
What is the CAS number and formula for Sodium 2-chloroethanesulfonate monohydrate?
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The CAS number for the anhydrous form is 15484-44-3. The linear formula for the monohydrate is ClCH2CH2SO3Na H2O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Sodium 2-chloroethanesulfonate monohydrate with an assay of 98%. This product is typically considered a technical or research grade, and TSS does not represent it as USP, BP, or EP grade.
How should Sodium 2-chloroethanesulfonate monohydrate be handled?
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This compound is classified as a Warning, with hazards including skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Handle with appropriate personal protective equipment, including a dust mask (type N95 US recommended), eyeshields, and gloves. Ensure adequate ventilation and avoid breathing dust. It is advisable to consult the full Safety Data Sheet (SDS) before use.
Is Sodium 2-chloroethanesulfonate monohydrate a controlled substance?
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Based on the provided data, Sodium 2-chloroethanesulfonate monohydrate is not indicated as a controlled or scheduled substance.
How is this chemical exported and shipped?
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Tech Serve Solutions is a global supplier and exporter of fine chemicals. Packaging and shipping adhere to international regulations for chemical transport to ensure safe and compliant delivery worldwide.
How can I request a quote or sample for Sodium 2-chloroethanesulfonate monohydrate?
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To request a quote or a sample, please contact our sales team through the website or by phone. Provide the product name and CAS number (15484-44-3) for prompt service.
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