Molekula
Potassium tetrathionate
Potassium tetrathionate is a sulfur-containing inorganic salt used in analytical chemistry and redox titrations. It serves as a reagent in iodometric methods and as a stabilizer in certain chemical processes. Available in high purity, it has a molecular weight of 302.45 g/mol, a CAS number of 13932-13-3, and a molecular formula of KOSO2SSSO3K. Store at 2 to 8 °C. Molekula supplies Potassium tetrathionate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Overview
Potassium tetrathionate is a sulfur-containing inorganic salt used in analytical chemistry and redox titrations. It serves as a reagent in iodometric methods and as a stabilizer in certain chemical processes. Available in high purity, it has a molecular weight of 302.45 g/mol, a CAS number of 13932-13-3, and a molecular formula of KOSO2SSSO3K. Store at 2 to 8 °C. Molekula supplies Potassium tetrathionate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Specifications
| Property | Value |
|---|---|
| Appearance | White solid |
| Water | ≤0.8% |
| Identification | Conforms to reference |
| Assay | ≥98% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Shelf Life | 24 months |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| CAS Number | 13932-13-3 |
| Molecular Formula | KOSO2SSSO3K |
| Molecular Weight | 302.45 |
| SMILES | [O-]S(=O)(=O)SSS(=O)(=O)[O-].[K+].[K+] |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| Tariff Code | 2842908080 |
Safety & GHS
-
Explosive
GHS01
Hazard statements
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- 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
For research and industrial use only
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.
Pricing & pack sizes
Pack sizes & pricing
-
100 g
£152.26 · per pack
Prices exclude VAT/sales tax and shipping. Bulk and custom pack sizes available on request.
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is potassium tetrathionate used for?
It is primarily used as a reagent in analytical chemistry and in redox titrations, particularly in iodometric methods.
What is the chemical formula and molecular weight of potassium tetrathionate?
The formula is KOSO2SSSO3K and the molecular weight is 302.45 g/mol.
How should potassium tetrathionate be stored?
It should be stored at temperatures between 2 to 8 °C to maintain stability.
What grade is available for potassium tetrathionate?
Available in analytical grade for laboratory use.
Can Molekula supply potassium tetrathionate in bulk?
Yes, Molekula can supply potassium tetrathionate in bulk quantities—please contact our sales team for details.
What documentation comes with a purchase of potassium tetrathionate?
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.