2-Butynedioic acid monopotassium salt
Acetylenedicarboxylic acid monopotassium salt
CAS: 928-04-1
Molecular Formula: C4HKO4
2-Butynedioic acid monopotassium salt - Names and Identifiers
| Name | Acetylenedicarboxylic acid monopotassium salt |
| Synonyms | TIMTEC-BB SBB008993 Acetylenedicarboxyli PotassiuM but-2-ynedioate potassium but-2-ynedioate potassiuM 3-carboxypropiolate Potassium 3-carboxyprop-2-ynoate 2-Butynedioic acid monopotassium salt Acetylenedicarboxylic acid monopotassium salt Monopotassium AcetylenedicarboxylatePotassium Hydrogen Acetylenedicarboxylate |
| CAS | 928-04-1 |
| EINECS | 213-169-2 |
| InChI | InChI=1/C4H2O4.K/c5-3(6)1-2-4(7)8;/h(H,5,6)(H,7,8);/q;+1/p-2 |
2-Butynedioic acid monopotassium salt - Physico-chemical Properties
| Molecular Formula | C4HKO4 |
| Molar Mass | 152.15 |
| Melting Point | 133 °C |
| Water Solubility | slightly soluble (20 ºC) |
| Appearance | powder to crystal |
| Color | White to Almost white |
| BRN | 3571639 |
| Storage Condition | -20°C |
| Stability | Stable. Incompatible with bases, reducing agents, oxidizing agents. |
| MDL | MFCD00013143 |
| Physical and Chemical Properties |
|
2-Butynedioic acid monopotassium salt - Risk and Safety
| Hazard Symbols | T+ - Very toxic |
| Risk Codes | R23/25 - Toxic by inhalation and if swallowed. R27 - Very Toxic in contact with skin R36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) |
| UN IDs | UN 2811 6.1/PG 1 |
| WGK Germany | 3 |
| RTECS | AP0700000 |
| HS Code | 29171990 |
| Hazard Class | 6.1 |
| Packing Group | I |
2-Butynedioic acid monopotassium salt - Reference Information
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| category | toxic substances |
| toxicity grade | high toxicity |
| Acute toxicity | oral-mouse LD50: 63 mg/kg; Intraperitoneal-mouse LD50:32 mg/kg |
| flammability hazard characteristics | flammability; Thermal decomposition releases toxic potassium oxide and irritating smoke |
| storage and transportation characteristics | warehouse ventilation and low temperature drying |
| extinguishing agent | dry powder, foam, sand, carbon dioxide, water mist |
Last Update：2024-04-10 22:29:15
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