Molekula
1,3-Propanesultone
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
1,3-Propanesultone is a cyclic sulfonate ester used in organic synthesis, particularly as a reagent for introducing sulfonate groups and in the production of specialty polymers. It is a colorless to pale yellow liquid with a pungent odor. CAS: 1120-71-4, Molecular Formula: C3H6O3S, Molecular Weight: 122.14 g/mol. Store at ambient temperature. Hazardous: Signal word Danger. Molekula supplies 1,3-Propanesultone 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
In stock — same-day dispatch
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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25 g — £68.50 per pack ex VAT · £82.20 inc. VAT
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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.
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Specifications
| Property | Value |
|---|---|
| Appearance | White to light brown solid, clear colourless to light red liquid |
| Melting Point | 31 Deg C +/-1 |
| Assay | ≥99% |
| Acid | 1000ppm |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 6.1 |
| Packing Group | III |
| Acidity | Acid |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Colorless liq or white crystals |
| Odour | Releases a fould odor as it melts. |
| Melting Point | 31 °C |
| Boiling Point | 180 °C at 0.039 atm. |
| Vapour Pressure | 0.27 mmHg |
| Refractive Index | 1.450 |
Source: PubChem CID 14264 (HSDB, ICSC, Haz-Map)
Identification
| Property | Value |
|---|---|
| SKU | 15197225 |
| CAS Number | 1120-71-4 |
| IUPAC Name | oxathiolane 2,2-dioxide |
| EC Number | 214-317-9 |
| Molecular Formula | C3H6O3S |
| Molecular Weight | 122.14 |
| Exact Mass | 122.0038 |
| SMILES | C1COS(=O)(=O)C1 |
| InChIKey | FSSPGSAQUIYDCN-UHFFFAOYSA-N |
| InChI | InChI=1S/C3H6O3S/c4-7(5)3-1-2-6-7/h1-3H2 |
| PubChem CID | 14264 |
| UN Number | UN2811 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29349990 |
| Tariff Code | 2934999090 |
Safety & GHS
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Corrosive
GHS05
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Toxic
GHS06
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Serious Health Hazard
GHS08
Hazard statements
- H301 Toxic if swallowed
- H312+H332 Harmful in contact with skin or inhaled
- H318 Causes serious eye damage
- H341 Suspected of causing genetic defects
- H350 May cause cancer
- H412 Harmful to aquatic life with long lasting effects
Precautionary statements
- P202 Do not handle until all safety precautions have been read and understood
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, 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.
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
- 1-Propanesulfonic acid, 3-hydroxy-, gamma-sultone
- 1,2-oxathiolane 2,2-dioxide
- 1,2-Oxathrolane 2,2-dioxide
- 3-Hydroxy-1-propanesulfonic acid gamma-sultone
- 3-HYDROXY-1-PROPANESULFONIC ACID SULTONE
- 3-Hydroxy-1-propanesulphonic acid sultone
- 3-Hydroxythietane-1,1-Dioxide
- gamma-Propane sultone
- Propane sultone
- RCRA waste number U193
Frequently asked questions
What is 1,3-Propanesultone used for?
It is primarily used as a chemical intermediate in the synthesis of polymers and pharmaceuticals, particularly in the production of sulfonate-containing compounds.
What is the chemical formula and molecular weight of 1,3-Propanesultone?
The formula is C3H6O3S with a molecular weight of 122.14 g/mol.
How should 1,3-Propanesultone be stored?
It should be stored at ambient temperature, away from moisture and incompatible materials.
What grade is available for 1,3-Propanesultone?
Available in technical and reagent grade; specific grades may vary based on order volume and application.
Can Molekula supply 1,3-Propanesultone in bulk?
Yes, Molekula can supply 1,3-Propanesultone in bulk quantities; please contact sales for pricing and availability.
What documentation comes with an order of 1,3-Propanesultone?
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.