Molekula
Sodium ethylenesulphonate 25 wt. % in H2O,
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Sodium ethylenesulphonate 25 wt. % in H2O is a water-soluble sodium salt used in organic synthesis and as a reagent in chemical research. It is stable at ambient temperatures and carries no signal word. CAS: 3039-83-6, molecular formula: C2H3NaO3S, molecular weight: 130.1. Molekula supplies Sodium ethylenesulphonate 25 wt. % in H2O 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
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
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100 mL — £26.30 per pack ex VAT · £31.56 inc. VAT
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Specifications
| Property | Value |
|---|---|
| Appearance | Colourless to light yellow liquid |
| pH | 8 - 13 |
| Solid Content | <=35% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 90028268 |
| CAS Number | 3039-83-6 |
| IUPAC Name | sodium ethenesulfonate |
| EC Number | 221-242-5 |
| Molecular Formula | C2H3NaO3S |
| Molecular Weight | 130.1 |
| Exact Mass | 129.9701 |
| SMILES | C=CS(=O)(=O)[O-].[Na+] |
| InChIKey | BWYYYTVSBPRQCN-UHFFFAOYSA-M |
| InChI | InChI=1S/C2H4O3S.Na/c1-2-6(3,4)5;/h2H,1H2,(H,3,4,5);/q;+1/p-1 |
| PubChem CID | 3270262 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2904.10.5000 |
| Tariff Code | 2904100090 |
Safety & GHS
Precautionary statements
- P280 Wear protective gloves/protective clothing/eye protection/face protection
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, Spanish.
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.
Synonyms
- Ethenesulfonic acid, sodium salt
- Ethenesulfonic acid, sodium salt (1:1)
- HS 1 (SALT)
- Sodium ethenesulfonate
- Sodium ethylenesulfonate
- Sodium ethylenesulphonate
- Sodium vinylsulfonate
- SVS 25
- TAMOL VS
- Vinylsulfonic acid sodium salt
Frequently asked questions
What is sodium ethylenesulphonate 25 wt. % in H2O used for?
It is primarily used as a reagent in organic synthesis, particularly in the preparation of sulfonate derivatives and as a sulfonation agent in chemical manufacturing.
What is the chemical formula and molecular weight of sodium ethylenesulphonate?
The formula is C2H3NaO3S with a molecular weight of 130.1 g/mol.
How should sodium ethylenesulphonate 25 wt. % in H2O be stored?
It should be stored at ambient temperature, protected from moisture and direct sunlight.
What grade of sodium ethylenesulphonate is available?
It is available as a 25 wt. % aqueous solution, suitable for laboratory and industrial use.
Can Molekula supply sodium ethylenesulphonate in bulk?
Yes, Molekula can supply sodium ethylenesulphonate in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with an order of sodium ethylenesulphonate?
Each order includes a Certificate of Analysis (CoA) and safety data sheet (SDS); additional documentation can be provided upon request.
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.