Acetylenedicarboxylic acid monopotassium salt
Synonym(s):mono-Potassium 2-butynedioate;Potassium acetylenedicarboxylate
- CAS NO.：928-04-1
- Empirical Formula: C4HKO4
- Molecular Weight: 152.15
- MDL number: MFCD00013143
- EINECS: 213-169-2
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:19:52
What is Acetylenedicarboxylic acid monopotassium salt?
Chemical properties
white powder
Purification Methods
It is very soluble in H2O, but can be crystallised from a small volume of H2O in small crystals. These are washed with EtOH and dried over H2SO4 at 125o. [Bandrowski Chem Ber 10 841 1877, Lossen Justus Liebigs Ann Chem 272 133 1893, Beilstein 2 H 801, 2 I 317, 2 II 670, 2 III 1991, 2 IV 2290.]
Properties of Acetylenedicarboxylic acid monopotassium salt
| Melting point: | 133 °C |
| storage temp. | -20°C |
| form | powder to crystal |
| color | White to Almost white |
| Water Solubility | slightly soluble (20 ºC) |
| BRN | 3571639 |
| Stability: | Stable. Incompatible with bases, reducing agents, oxidizing agents. |
| CAS DataBase Reference | 928-04-1(CAS DataBase Reference) |
| EPA Substance Registry System | 2-Butynedioic acid, monopotassium salt (928-04-1) |
Safety information for Acetylenedicarboxylic acid monopotassium salt
| Signal word | Danger |
| Pictogram(s) |
 Skull and Crossbones Acute Toxicity GHS06 |
| GHS Hazard Statements |
H301:Acute toxicity,oral H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for Acetylenedicarboxylic acid monopotassium salt
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