7646-93-7 1J1K03241F Potassium bisulfate Potassium hydrogensulphate Sulfuric acid, potassium salt (1:1) Sulfuric acid, monopotassium salt Acid potassium sulfate AI3-04459 Caswell No. 682C EINECS 231-594-1 EPA Pesticide Chemical Code 005605 Monopotassium hydrogen sulfate Monopotassium sulfate NSC 409996 Potassium acid sulfate Potassium bisulphate Potassium hydrogen sulfate Potassium hydrogen sulfate, solid Potassium hydrosulfate (KHSO4) Potassium sulfate Potassium sulfate (KHSO4) Sal enixum Sulfuric acid potassium salt (1:1) UNII-1J1K03241F Potassium hydrogen sulfate [UN2509] [Corrosive] UN2509 CAS 7646-93-7
| CAS No. | 7646-93-7 |
| Molecular Formula | HO4S |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO supplies 7646-93-7 1J1K03241F Potassium bisulfate Potassium hydrogensulphate Sulfuric acid, potassium salt (1:1) Sulfuric acid, monopotassium salt Acid potassium sulfate AI3-04459 Caswell No. 682C EINECS 231-594-1 EPA Pesticide Chemical Code 005605 Monopotassium hydrogen sulfate Monopotassium sulfate NSC 409996 Potassium acid sulfate Potassium bisulphate Potassium hydrogen sulfate Potassium hydrogen sulfate, solid Potassium hydrosulfate (KHSO4) Potassium sulfate Potassium sulfate (KHSO4) Sal enixum Sulfuric acid potassium salt (1:1) UNII-1J1K03241F Potassium hydrogen sulfate [UN2509] [Corrosive] UN2509 (CAS 7646-93-7), a certified reference material (molecular formula HO4SK, MW 136.16 g/mol) for analytical method development and quality control.
The molecular framework of 7646-93-7 1J1K03241F Potassium bisulfate Potassium hydrogensulphate Sulfuric acid, potassium salt (1:1) Sulfuric acid, monopotassium salt Acid potassium sulfate AI3-04459 Caswell No. 682C EINECS 231-594-1 EPA Pesticide Chemical Code 005605 Monopotassium hydrogen sulfate Monopotassium sulfate NSC 409996 Potassium acid sulfate Potassium bisulphate Potassium hydrogen sulfate Potassium hydrogen sulfate, solid Potassium hydrosulfate (KHSO4) Potassium sulfate Potassium sulfate (KHSO4) Sal enixum Sulfuric acid potassium salt (1:1) UNII-1J1K03241F Potassium hydrogen sulfate [UN2509] [Corrosive] UN2509 (HO4SK) is characterized by a sulfone group. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development.
CATO manufactures 7646-93-7 1J1K03241F Potassium bisulfate Potassium hydrogensulphate Sulfuric acid, potassium salt (1:1) Sulfuric acid, monopotassium salt Acid potassium sulfate AI3-04459 Caswell No. 682C EINECS 231-594-1 EPA Pesticide Chemical Code 005605 Monopotassium hydrogen sulfate Monopotassium sulfate NSC 409996 Potassium acid sulfate Potassium bisulphate Potassium hydrogen sulfate Potassium hydrogen sulfate, solid Potassium hydrosulfate (KHSO4) Potassium sulfate Potassium sulfate (KHSO4) Sal enixum Sulfuric acid potassium salt (1:1) UNII-1J1K03241F Potassium hydrogen sulfate [UN2509] [Corrosive] UN2509 under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | HO4S K |
| Molecular Weight | 136.16 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Freely soluble in water |
| Stability | Hygroscopic; reseal immediately after opening |
| CAS Registry Year (est.) | 1959 |
| Sulfur Atoms | 1 |
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Why CATO?
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