Molekula
3-Sulfopropyl acrylate potassium salt solution (42% w/w in water with 1% Methylenebisacrylamide)
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
3-Sulfopropyl acrylate potassium salt solution is a water-soluble monomer primarily used in the synthesis of polyelectrolytes, superabsorbent polymers, and specialty hydrogels for applications like water treatment, personal care, and industrial coatings. This 42% w/w aqueous solution (with 1% methylenebisacrylamide) has a CAS number of 31098-20-1, molecular formula H2C=CHCO2(CH2)3SO3K, and a molecular weight of 232.30. It is stored at ambient conditions and carries a signal word of "Warning." Molekula supplies 3-Sulfopropyl acrylate potassium salt solution from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | Clear, colourless solution |
| Assay | 41-43% w/w (mass balance) |
| Stabiliser | 1% w/w N',N'-Methylenebisacrylamide |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 90031173 |
| CAS Number | 31098-20-1 |
| Molecular Formula | H2C=CHCO2(CH2)3SO3K |
| Molecular Weight | 232.30 |
| SMILES | C=CC(=O)OCCCS(=O)(=O)[O-].[K+] |
| REACH Code | Y110 |
| HTS Code | 2916.12.5050 |
| Tariff Code | 2916120090 |
Safety & GHS
-
Health Hazard
GHS07
-
Serious Health Hazard
GHS08
Hazard statements
- H317 May cause an allergic skin reaction
- H340 May cause genetic defects
- H350 May cause cancer
- H361 Suspected of damaging fertility or the unborn child
- H372 Causes damage to organs through prolonged or repeated exposure
- H412 Harmful to aquatic life with long lasting effects
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+350 IF ON SKIN: Gently wash with soap and water
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Quality certificates
Molekula Group is certified to ISO 9001:2015 (quality) and ISO 14001:2015 (environmental management), audited by a UKAS-accredited body. Both certificates are valid to 17 May 2028.
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is 3-Sulfopropyl acrylate potassium salt solution used for?
This product is primarily used in the synthesis of superabsorbent polymers, as a monomer in water-based coatings, and in the production of specialty polymers for applications like flocculants or thickeners.
What is the chemical formula and molecular weight of 3-Sulfopropyl acrylate potassium salt?
The formula is **H₂C=CHCO₂(CH₂)₃SO₃K**, and the molecular weight is **232.30 g/mol** (excluding water and stabilizers in the 42% solution).
How should this product be stored?
Store at **ambient temperature** in a cool, dry place, away from direct sunlight and incompatible materials. Keep the container tightly sealed.
What grade or purity is available for this product?
Molekula supplies this as a **42% w/w aqueous solution with 1% Methylenebisacrylamide** as a stabilizer, suitable for industrial polymerization applications.
Can Molekula supply this product in bulk quantities?
Yes, we offer bulk packaging options—please contact our sales team for specific quantities, lead times, and pricing.
What documentation comes with an order of this product?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and a technical datasheet detailing composition, specifications, and handling instructions.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.