Potassium hydrogen sulphate, 99%
Buy Potassium hydrogen sulphate, 99% (CAS 7646-93-7) from Zemixal. Lab and bulk packs, batch COA, fast global delivery. Purity 99%.
About Potassium hydrogen sulphate, 99%
Potassium hydrogen sulphate, 99% sits in our alkali Metal Compounds (Li, Na, K, Rb, Cs) section and ships worldwide from stock or short lead time. Identity at a glance (Extra Pure): CAS 7646-93-7, formula HKO4S and molar mass 136.17 g/mol. Expect white crystalline powder.
Typical applications
- Materials research
- Chemical synthesis
Handling and storage
Physical constants on file: density 2.24 g/cm3 (20 °C). It carries the GHS signal word Danger (H314 and H335), so wear gloves and eye protection and work with good ventilation. For transport it ships as UN UN 2509.
Order it in 500 g, 5 kg and 4 x 25 kg packs or ask for a bulk quotation. You receive a batch certificate of analysis and a 16-section SDS with each order. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.
Typical uses
- Materials research
- Chemical synthesis
Applications
Grade guides
Specifications and identifiers
| Product name | Potassium hydrogen sulphate, 99% |
|---|---|
| Catalogue number | ZX-013088 |
| CAS number | 7646-93-7 |
| IUPAC name | potassium hydrogen sulfate |
| Molecular formula | HKO4S |
| Molar mass | 136.17 g/mol |
| Exact mass | 135.9233 |
| Grade | Extra Pure |
| Purity / assay | 99% |
| Physical form | Powder |
| Appearance | White crystalline powder |
| Density | 2.24 g/cm3 (20 °C) |
| H-bond donors / acceptors | 1 / 4 |
| Topological polar surface area | 85.8 Ų |
| HS code | 28332990 |
| UN number | UN 2509 |
| InChIKey | CHKVPAROMQMJNQ-UHFFFAOYSA-M |
| SMILES | OS(=O)(=O)[O-].[K+] |
| PubChem CID | 516920 |
| Synonyms | Potassium bisulfate, Potassium bisulphate, Sal enixum, Sulfuric acid, monopotassium salt, Monopotassium hydrogen sulfate, Potassium hydrosulfate (KHSO4), Potassium hydrogen sulfate, solid, INS-515(II), E-515(II), Sulfuric acid monopotassium salt, Potassium acid sulfate, Monopotassium sulfate |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
Signal word Danger
- H314Causes severe skin burns and eye damage
- H335May cause respiratory irritation
Precautionary statements P260, P261, P264, P271, P280, P301 + P330 + P331, P302 + P361 + P354, P304 + P340, P305 + P354 + P338, P316, P319, P321, P363, P403 + P233, P405, P501
Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.
Pack sizes
| 500 g | Quoted on request | |
| 5 kg | Quoted on request | |
| 4 x 25 kg | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
Questions about Potassium hydrogen sulphate, 99%
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