Sodium pentanesulfonate
Sodium pentanesulfonate (CAS: 22767-49-3), with the chemical formula C5H11O3SNa and a molecular weight of 174.19 g/mol, is an anionic surfactant. It functions as an effective ion-associating reagent, particularly in high-performance liquid chromatography (HPLC) applications. Its chemical properties make it suitable for the analysis of peptides and proteins, contributing to its utility in biochemical research and analytical laboratories.
- IUPAC
- 1-Pentanesulfonic acid sodium salt

HPLC Ion-Pairing Reagent
Sodium pentanesulfonate serves as an ion-associating reagent in High-Performance Liquid Chromatography (HPLC). It is particularly valuable for the separation and analysis of peptides and proteins.
Analytical Chemistry
This compound is employed in various analytical chemistry techniques where its surfactant properties can be leveraged for sample preparation or mobile phase modification. It aids in the detection and quantification of specific analytes.
Biochemical Research
In biochemical laboratories, sodium pentanesulfonate is utilised for specific analytical procedures, contributing to research involving biomolecules. Its role as a reagent supports critical experimental workflows.
| Molecular weight | 174.19 |
|---|---|
| Linear formula | C5H11O3SNa |
| Assay | ≥95% |
| Application | Ion-associating reagent for HPLC, including analyses of peptides and proteins. |
| 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.
| Description | anionic |
|---|---|
| Product Line | BioXtra |
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 Pentanesulfonate used for?
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Sodium pentanesulfonate is primarily used as an ion-pairing reagent in HPLC, particularly for the analysis of peptides and proteins. It also finds application in general analytical chemistry and biochemical research.
What are the CAS number and formula for Sodium Pentanesulfonate?
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The CAS number for Sodium Pentanesulfonate is 22767-49-3, and its chemical formula is C5H11O3SNa.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Sodium Pentanesulfonate with an assay of ≥95%. This product is not represented as USP, BP, EP, or other pharmacopoeia grades.
What are the safety and handling precautions for Sodium Pentanesulfonate?
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When handling Sodium Pentanesulfonate, it is essential to wear eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter should be used. The product has a WGK Germany rating of 3, indicating it is hazardous to water.
How is Sodium Pentanesulfonate packed, shipped, and exported?
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Sodium Pentanesulfonate is carefully packed to ensure stability during transit and is available for global export by Tech Serve Solutions. Specific packaging details are confirmed upon order.
How can I request a quote or sample of Sodium Pentanesulfonate?
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To request a quote or a sample of Sodium Pentanesulfonate, please contact the Tech Serve Solutions sales team via our website or listed contact information.
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