2-Butynoic acid CAS#: 590-93-2; ChemWhat Code: 59996
Names & Identifiers |
| Product Name | 2-Butynoic acid |
| Synonyms | 1-Propynecarboxylic acid;3-Methylpropiolic acid;2-BUTYNOIC ACID;BUT-2-YNOIC ACID;TETROLIC ACID;2-Butynoicacid,98%;2-BUTYNOIC ACID 98%;Methylacetylenecarboxylic acid |
| CAS Registry Number | 590-93-2 |
| Molecular Formula | C4H4O2 |
| Molecular Weight | 84.07 |
| EINECS | 209-695-7 |
| Other Registry Numbers | ; |
| IUPA Names, InChI, InChI Key, Canonical SMILES, etc.: | IUPA Names, InChI, InChI Key, Canonical SMILES, etc. |
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Chemical & Physical Properties |
| Melting point | 78-80 °C(lit.) |
| Boiling Point | 200-203°C |
| Density | 0,9641 g/cm3 |
| Flash Point | 200-203°C |
| Storage | 2-8°C |
| Solubulity | water: soluble50mg/mL, clear to very slightly hazy, Colorless to very faintly yellow |
| form | Powder |
| pka | 2.62(at 25℃) |
| Color | White to yellow |
| Water Solubility | Soluble in water. Slightly soluble in methanol and chloroform. |
| BRN | 1740205 |
| More Properties From PubChem | Topological Polar Surface Area, Monoisotopic Mass, etc. |
| NIST Chemistry Reference | 2-Butynoic acid(590-93-2) |
| EPA Substance Registry System | 2-Butynoic acid(590-93-2) |
Safety & Hazards(Codes & Phrases) |
| Hazard Codes | C |
| R Phrase | 34-20/21/22 |
| S Phrase | 26-27-36/37/39-45 |
| RIDADR | UN 3261 8/PG 2 |
| WGK Germany | 3 |
| TSCA | Yes |
| Storage Class | 8 |
| Packing Group | II |
| More Safety & Hazards From PubChem | Signal, GHS Hazard Statements, Precautionary Statement Codes, etc. |
Literature |
| Literature on PubChem | Synthesis References, Metabolite References, etc. |
Patents |
| Patents on PubChem | Related Patents Of This Product |
Transportation, Storage & Usage |
| Transportation | No Information |
| Storage | No Information |
| Usage | No Information |
Spectral Properties |
| No Information |
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