Molekula
Potassium thiosulfate hydrate
Potassium thiosulfate hydrate is a water-soluble inorganic compound used in photography, analytical chemistry, and as a reagent in redox reactions. It is available in various hydration states, with a molecular weight of 208.35 g/mol. CAS number 13446-67-8. Store at ambient temperatures. Signal word: Warning. Molekula supplies Potassium thiosulfate hydrate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Overview
Potassium thiosulfate hydrate is a water-soluble inorganic compound used in photography, analytical chemistry, and as a reagent in redox reactions. It is available in various hydration states, with a molecular weight of 208.35 g/mol. CAS number 13446-67-8. Store at ambient temperatures. Signal word: Warning. Molekula supplies Potassium thiosulfate hydrate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Specifications
| Property | Value |
|---|---|
| Appearance | White to off-white crystals |
| pH | 6.5 - 8.0 |
| Sulfate (SO4) | ≤3.0 |
| Sulfur | ≤1.0 |
| H2O | ≤8.5 |
| Iron (Fe) | ≤40 |
| K2O(g/100g) | ≥48.0 |
| K2S2O3H2O(g/100g) | ≥96.0 |
| Sulphur (S) | ≥30.5 |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Shelf Life | 24 months |
| Acidity | Base |
Identification
| Property | Value |
|---|---|
| CAS Number | 13446-67-8 |
| Molecular Formula | K2S2O3 · xH2O |
| Molecular Weight | 208.35 |
| SMILES | O.[O-]S(=O)(=S)[O-].[K+].[K+] |
| REACH Code | Y113 |
| HTS Code | 28323050 |
| Tariff Code | 2832300000 |
Safety & GHS
-
Explosive
GHS01
Hazard statements
- H315 Causes skin irritation
- H319 Causes serious eye irritation
Precautionary statements
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: 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
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
Synonyms
No alternate names recorded for this product.
Frequently asked questions
FAQ being prepared for this product. Contact our team for help.
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.