Molekula
Potassium hydrogen sulfate
Potassium hydrogen sulfate is a strong acid salt used in chemical synthesis, pH adjustment, and as a catalyst in organic reactions. It appears as a white crystalline solid and is highly hygroscopic. Available in 100g, 1kg, and 5kg packaging, it has a molecular weight of 136.17 g/mol, a CAS number of 7646-93-7, and should be stored at ambient temperatures. It is classified as dangerous due to its corrosive nature. Molekula supplies Potassium hydrogen sulfate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Overview
Potassium hydrogen sulfate is a strong acid salt used in chemical synthesis, pH adjustment, and as a catalyst in organic reactions. It appears as a white crystalline solid and is highly hygroscopic. Available in 100g, 1kg, and 5kg packaging, it has a molecular weight of 136.17 g/mol, a CAS number of 7646-93-7, and should be stored at ambient temperatures. It is classified as dangerous due to its corrosive nature. Molekula supplies Potassium hydrogen sulfate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Specifications
| Property | Value |
|---|---|
| Appearance | White/ off white crystalline powder |
| Heavy metals | ≤0.002% |
| Identification | Conforms to reference |
| Chloride (Cl) | ≤0.002% |
| Assay | 98.0 - 102.0% |
| Iron (Fe) | ≤0.002% |
| Calcium (Ca) | ≤0.02% |
| Ammonium (NH4) | ≤0.002% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 8 |
| Packing Group | II |
| Shelf Life | 24 months |
Identification
| Property | Value |
|---|---|
| CAS Number | 7646-93-7 |
| Molecular Formula | KHSO4 |
| Molecular Weight | 136.17 |
| EC / UN Number | 2509 |
| REACH Code | Y110 |
| Tariff Code | 28332980 |
Safety & GHS
-
Explosive
GHS01
-
Compressed Gas
GHS04
Hazard statements
- H314 Causes severe skin burns and eye damage
- H318 Causes serious eye damage
- 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
- P301+330 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting
- 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
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 potassium hydrogen sulfate used for?
It is commonly used as a reagent in analytical chemistry and in the production of other potassium salts.
What is the chemical formula and molecular weight of potassium hydrogen sulfate?
The formula is KHSO4 and the molecular weight is 136.17 g/mol.
How should potassium hydrogen sulfate be stored?
It should be stored at ambient temperature, away from moisture and incompatible materials.
What grade is available for potassium hydrogen sulfate?
It is available in reagent grade and technical grade, depending on the application.
Can Molekula supply potassium hydrogen sulfate in bulk?
Yes, Molekula can supply potassium hydrogen sulfate in bulk quantities; please contact sales for details.
What documentation comes with an order of potassium hydrogen sulfate?
Each order includes a Certificate of Analysis 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.