1-Hexadecanesulfonic acid sodium salt
1-Hexadecanesulfonic acid sodium salt (CAS: 15015-81-3, Formula: CH3(CH2)15SO3Na, MW: 328.49) is a sulfur-containing organic salt. It is primarily utilised as a building block in chemical synthesis and as an emulsifier in polymerisation processes, such as the reverse iodine transfer emulsion polymerisation of styrene. This compound is also employed in mechanistic studies, including those involving the crosslinking of poly(dimethylsiloxane).
- IUPAC
- Sodium hexadecanesulfonate

Emulsifier in Polymerisation
1-Hexadecanesulfonic acid sodium salt serves as an effective emulsifier in the reverse iodine transfer – emulsion polymerisation of styrene, contributing to controlled polymer synthesis.
Mechanistic Studies
This compound has been utilised in research to investigate reaction mechanisms, specifically in studies concerning the crosslinking of hydroxyl-terminated poly(dimethylsiloxane) chains.
Organic Synthesis Intermediate
As an organic building block, it can be incorporated into synthetic routes for more complex molecules in research and development settings.
| Molecular weight | 328.49 |
|---|---|
| Linear formula | CH3(CH2)15SO3Na |
| Assay | 98% |
| Solubility | H2O: soluble |
| Application | 1-Hexadecanesulfonic acid sodium salt can be used as an emulsifier during the reverse iodine transfer – emulsion polymerization of styrene1. It was used to study the mechanism for the crosslinking of hydroxyl-terminated poly(dimethylsiloxane)2. |

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) | 26-36 |
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 1-Hexadecanesulfonic acid sodium salt used for?
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1-Hexadecanesulfonic acid sodium salt is used as an emulsifier in styrene polymerisation and in mechanistic studies of poly(dimethylsiloxane) crosslinking. It also functions as an organic building block in chemical synthesis.
What are the CAS number and formula for 1-Hexadecanesulfonic acid sodium salt?
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The CAS number is 15015-81-3 and the chemical formula is CH3(CH2)15SO3Na.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1-Hexadecanesulfonic acid sodium salt with an assay of 98%. We do not represent this product as USP, BP, or EP grade.
How should 1-Hexadecanesulfonic acid sodium salt be handled safely?
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Based on GHS classification, 1-Hexadecanesulfonic acid sodium salt is a warning substance that causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Appropriate personal protective equipment includes a dust mask type N95 (US), eyeshields, and gloves. Handle in a well-ventilated area.
Can 1-Hexadecanesulfonic acid sodium salt be exported globally?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 1-Hexadecanesulfonic acid sodium salt.
How can I request a quote or sample?
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Please contact our sales team via the website or directly by phone to request a quote or a sample of 1-Hexadecanesulfonic acid sodium salt.
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