3-Sulfopropyl acrylate potassium salt
3-Sulfopropyl acrylate potassium salt (CAS 31098-20-1) is a functionalized acrylic monomer with the linear formula H₂C=CHCO₂(CH₂)₃SO₃K and a molecular weight of 232.30 g/mol. This compound serves as a valuable building block in polymer science and materials research. Its unique structure, incorporating both an acrylate group for polymerisation and a sulfonate group for enhanced properties, makes it suitable for various chemical synthesis applications, particularly in the development of advanced polymers and materials.

Polymer Synthesis
Utilised as a monomer in the synthesis of speciality polymers and copolymers, imparting unique functional properties such as hydrophilicity and ionic character.
Materials Science
Incorporated into novel materials for applications requiring specific surface properties or ionic conductivity, contributing to advancements in material design.
Chemical Synthesis
Serves as a versatile building block in organic synthesis for creating complex molecules and functionalised intermediates for research and development.
| Molecular weight | 232.30 |
|---|---|
| Linear formula | H2C=CHCO2(CH2)3SO3K |
| Melting point | 302 °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) | 26-37/39 |
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 3-Sulfopropyl acrylate potassium salt used for?
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3-Sulfopropyl acrylate potassium salt is primarily used as a monomer in polymer synthesis and as a building block in chemical synthesis for materials science applications.
What are the CAS number and formula for 3-Sulfopropyl acrylate potassium salt?
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The CAS number is 31098-20-1, and the linear formula is H₂C=CHCO₂(CH₂)₃SO₃K.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Sulfopropyl acrylate potassium salt typically as a research or technical grade chemical. We do not represent this product as USP, BP, EP, or any other pharmacopoeial grade unless explicitly stated. Please refer to the product's Certificate of Analysis for specific purity details.
How should 3-Sulfopropyl acrylate potassium salt be handled safely?
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Handle 3-Sulfopropyl acrylate potassium salt with appropriate personal protective equipment, including a dust mask (type N95 recommended), eyeshields, and gloves. It is a warning substance that may cause skin irritation (H315), eye irritation (H319), and respiratory irritation (H335). Ensure good ventilation and avoid breathing dust. In case of eye contact, rinse cautiously with water for several minutes (P305 + P351 + P338).
How is 3-Sulfopropyl acrylate potassium salt packed and shipped?
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3-Sulfopropyl acrylate potassium salt is carefully packed to ensure its integrity during transit. Tech Serve Solutions exports fine chemicals globally, adhering to all relevant shipping and customs regulations.
How can I request a sample or quote for 3-Sulfopropyl acrylate potassium salt?
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To request a sample or a quote for 3-Sulfopropyl acrylate potassium salt, please contact our sales team through the website or by phone, providing your specific requirements.
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