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| Product Name: | potassium |
| CAS Registry Number: | 928-04-1 |
| EINECS: | 213-169-2 |
| Synonyms: | 4-hydroxy-4-oxobut-2-ynoate; Acetylenedicarboxylic acid monopotassium salt;Potassium hydrogen butynedioate;potassium; monopotassium salt; 928-04-1; 2-Butynedioic acid; |
| Molecular Structure: |
 |
| Molecular Formula: | C4HKO4 |
| Molecular Weight: | 152.14664 |
| Boiling Point: | 362.4 °C at 760 mmHg |
| Melting Point: | 133 ºC |
| Flash Point: | 187.2 °C |
| Risk Codes: | S26;S36/37/39;S45 |
| Safety Statements: | R23/25;R27;R36/37/38 |
| Hazard Symbols: | T+: Very toxic; |