Molekula
Dipotassium disulfate
Dipotassium disulfate is a white crystalline solid used in chemical synthesis and as a reagent in laboratory research. It is a strong oxidizing agent and is employed in the preparation of other sulfur compounds. CAS: 7790-62-7, Molecular Formula: K2S2O7, Molecular Weight: 254.32 g/mol, Storage: Ambient, Signal Word: Warning. Molekula supplies Dipotassium disulfate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Overview
Dipotassium disulfate is a white crystalline solid used in chemical synthesis and as a reagent in laboratory research. It is a strong oxidizing agent and is employed in the preparation of other sulfur compounds. CAS: 7790-62-7, Molecular Formula: K2S2O7, Molecular Weight: 254.32 g/mol, Storage: Ambient, Signal Word: Warning. Molekula supplies Dipotassium disulfate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Specifications
| Property | Value |
|---|---|
| Appearance | Colourless crystals or molton lump |
| Heavy metals | ≤0.0005% |
| Identification | Conforms to reference |
| Chloride (Cl) | ≤0.001% |
| Purity | ≥98.0% |
| Water insoluble | ≤0.01% |
| Iron (Fe) | ≤0.001% |
| Arsenic (As) | ≤0.0003% |
| Calcium (Ca) | ≤0.005% |
| Phosphate (PO4) | ≤0.001% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 8 (6.1) |
| Packing Group | I |
| Shelf Life | 60 months |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| CAS Number | 7790-62-7 |
| Molecular Formula | K2S2O7 |
| Molecular Weight | 254.32 |
| SMILES | [O-]S(=O)(=O)OS(=O)(=O)[O-].[K+].[K+] |
| EC / UN Number | 2923 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 28332951 |
| Tariff Code | 2833298080 |
Safety & GHS
-
Compressed Gas
GHS04
-
Corrosive
GHS05
Hazard statements
- EUH071 Corrosive to the respiratory tract
- H314 (sub cat. 1A) Causes severe skin burns and eye damage
- H331 Toxic if inhaled
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P284 Wear respiratory protection
- P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P309+311 IF exposed or you feel unwell: Call a POISON CENTER or doctor/physician
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
What is dipotassium disulfate used for?
Dipotassium disulfate is primarily used as a sulfating agent in organic synthesis and as a reagent in laboratory research.
What is the chemical formula and molecular weight of dipotassium disulfate?
The formula is K2S2O7 and the molecular weight is 254.32 g/mol.
How should dipotassium disulfate be stored?
It should be stored at ambient temperature, in a dry place, away from moisture and incompatible materials.
What grade is available for dipotassium disulfate?
Molekula supplies dipotassium disulfate in reagent grade.
Can Molekula supply dipotassium disulfate in bulk?
Yes, Molekula can supply dipotassium disulfate in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with a purchase of dipotassium disulfate?
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.