| CAS Number | 877-24-7 |
| Catalog Description | Potassium hydrogen phthalate, 99% |
| Synonym | Potassium phthalate monobasic |
| Synonym | Phthalic acid monopotassium salt |
| Synonym | Potassium biphthalate |
| MDL Number | MFCD00013070 |
| Linear formula | HOOCC6H4COOK |
| Master Molecular formula | C8H5KO4 |
| Melting point in C | 295-300° (decomposes) |
| Density | 1.636 |
| Merck Number | 14,7612 |
| Beilstein | 3637128 |
| Solubility | Soluble in water |
| EC Number | 212-889-4 |
| Shipping | Non-hazardous for shipping |
| CAS Number | 877-24-7 |
| Signal Word | Warning |
| Pictogram code 1 |
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| H Phrases | H312-H303 |
| P Phrases | P280-P321-P312A-P302+P352A-P362+P364-P501A |
| TSCA | Yes |
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