Lithium p-toluenesulfinate
Lithium p-toluenesulfinate (CAS: 16844-27-2; Formula: CH3C6H4SO2Li) is an organic sulfur compound with a molecular weight of 162.14. Supplied at 98% purity with ≤2% Li2CO3 impurities, it serves as a valuable building block in chemical synthesis, particularly within organic chemistry. Its specific reactivity makes it a useful reagent for introducing the p-toluenesulfinyl group in various synthetic pathways.
- IUPAC
- p-Toluenesulfinic acid lithium salt

Organic Synthesis Intermediate
Lithium p-toluenesulfinate acts as a key intermediate in the synthesis of more complex organic molecules. It is utilised in reactions requiring the introduction of a p-toluenesulfinyl moiety.
Building Block for Fine Chemicals
This compound serves as a foundational building block for the creation of diverse fine chemicals and specialty materials. Its structure lends itself to a range of derivatisation processes.
Reagent in Pharmaceutical R&D
In research and development settings, Lithium p-toluenesulfinate can be employed in the exploratory synthesis of novel pharmaceutical intermediates. Its role is to facilitate specific chemical transformations.
| Molecular weight | 162.14 |
|---|---|
| Linear formula | CH3C6H4SO2Li |
| Assay | 98% |
| Impurities tested | ≤2% Li2CO3 |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
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 Lithium p-toluenesulfinate used for?
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Lithium p-toluenesulfinate is primarily used as a building block and intermediate in organic synthesis, facilitating the introduction of the p-toluenesulfinyl group in the preparation of complex molecules and fine chemicals.
What is the CAS number and chemical formula for Lithium p-toluenesulfinate?
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The CAS number is 16844-27-2, and the chemical formula is CH3C6H4SO2Li.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Lithium p-toluenesulfinate with an assay of 98%, containing impurities of ≤2% Li2CO3. This product is supplied for research and chemical synthesis purposes and is not represented as USP, BP, EP, or any pharmacopoeia grade.
How should Lithium p-toluenesulfinate be handled safely?
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Handling requires appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended. The substance is classified under WGK 3 in Germany, indicating a high hazard to water.
Can Tech Serve Solutions export Lithium p-toluenesulfinate?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including Lithium p-toluenesulfinate, adhering to all necessary shipping and export regulations.
How can I request a quote or sample for Lithium p-toluenesulfinate?
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To request a quote or a sample of Lithium p-toluenesulfinate, please contact our sales department through the provided channels on the Tech Serve Solutions website.
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