Oxalic acid hydrogen 1-potassium salt
Potassium hydrogen oxalate
CAS: 127-95-7
Molecular Formula: C2HKO4
Oxalic acid hydrogen 1-potassium salt - Names and Identifiers
Oxalic acid hydrogen 1-potassium salt - Physico-chemical Properties
| Molecular Formula | C2HKO4 |
| Molar Mass | 128.13 |
| Density | 2.088 [HAW93] |
| Melting Point | >300°C |
| Boling Point | 365.1°C at 760 mmHg |
| Flash Point | 188.8°C |
| Water Solubility | soluble 40 parts cold H2O, 6 parts boiling H2O [MER06] |
| Solubility | Soluble in 40 parts of cold water, 6 parts of boiling water, slightly soluble in ethanol. |
| Vapor Presure | 0.002Pa at 20℃ |
| Appearance | White crystalline powder |
| Color | Monoclinic, colorless crystals |
| pKa | 4.27[at 20 ℃] |
| Storage Condition | Room Temperature |
| Stability | Stable. |
| Sensitive | Easily absorbing moisture |
| MDL | MFCD00036407 |
Oxalic acid hydrogen 1-potassium salt - Risk and Safety
| UN IDs | 2811 |
| Hazard Class | 6.1(b) |
| Packing Group | III |
| Toxicity | TDLo orl-wmn: 100 mg/kg:CNS,CVS,KID MMWOAU 79,1481,32 |
Oxalic acid hydrogen 1-potassium salt - Introduction
No smell. Slightly hygroscopic. Decomposition by heat. The pH of 0-1mol/L aqueous solution is 2.7. Toxic ·
Last Update：2022-10-16 17:13:05
Oxalic acid hydrogen 1-potassium salt - Reference Information
| LogP | -4.961 |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| use | volumetric analysis is used as the reference substance for calibrating standard solutions. Remove ink stains, clean metal, wood, etc. |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-09 15:16:47
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