Molekula
2,3-Dimercapto-1-propanesulfonic acid sodium salt
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
2,3-Dimercapto-1-propanesulfonic acid sodium salt is a sulfonic acid derivative used in biochemical research and as a chelating agent. It is available in high purity for laboratory and industrial applications. CAS: 4076-02-2, Molecular Formula: C3H7NaO3S3, Molecular Weight: 210.16 g/mol, Storage: 2 to 8 °C, Signal Word: Warning. Molekula supplies 2,3-Dimercapto-1-propanesulfonic acid sodium salt 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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250 mg — £46.50 per pack ex VAT · £55.80 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
Specifications available on request — see Documents below or contact our sales team.
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 90027635 |
| CAS Number | 4076-02-2 |
| IUPAC Name | sodium 2,3-bis(sulfanyl)propane-1-sulfonate |
| EC Number | 223-796-3 |
| Molecular Formula | C3H7NaO3S3 |
| Molecular Weight | 210.16 |
| Exact Mass | 209.9455 |
| SMILES | C(C(CS(=O)(=O)[O-])S)S.[Na+] |
| InChIKey | FGGPAWQCCGEWTJ-UHFFFAOYSA-M |
| InChI | InChI=1S/C3H8O3S3.Na/c4-9(5,6)2-3(8)1-7;/h3,7-8H,1-2H2,(H,4,5,6);/q;+1/p-1 |
| PubChem CID | 2724039 |
| REACH Code | Y110 |
| HTS Code | 29309098 |
| Tariff Code | 2930909599 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- H302 Harmful if swallowed
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+330 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting
- P302+352 IF ON SKIN: Wash with soap and water
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- 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
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
- 1-Propanesulfonic acid, 2,3-dimercapto-, monosodium salt
- 1-Sodium Sulfonate, 2,3-Dimercaptopropane
- 2,3-Dimercaptopropane-1-sulfonate Sodium
- DMPS Heyl
- Sodium 2,3-dimercapto-1-propanesulfonate
- Sodium 2,3-dimercaptopropane-1-sulfonate
- sodium 2,3-dimercaptopropanesulfonate
- Sodium 2,3-Dithiopropanesulfate
- Unithiol
- UNITIOL
Frequently asked questions
What is 2,3-Dimercapto-1-propanesulfonic acid sodium salt used for?
It is primarily used as a chelating agent in biochemical and pharmaceutical applications, particularly in stabilizing metal ions in solution.
What is the chemical formula and molecular weight?
The formula is C3H7NaO3S3 with a molecular weight of 210.16 g/mol.
How should this compound be stored?
Store at 2 to 8 °C to maintain stability and prevent degradation.
What grade is available?
Available in high-purity grade suitable for research and laboratory use.
Can Molekula supply this in bulk?
Yes, Molekula can supply this compound in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with the order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.
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.