Crotonic acid CAS#: 107-93-7; ChemWhat Code: 96517
Names & Identifiers |
| Product Name | Crotonic acid |
| Synonyms | TRANS-2-BUTENOIC ACID;TRANS-CROTONIC ACID;(2E)-2-Butenoic acid;(e)-2-butenoicaci;(E)-CH3CH=CHCOOH;(E)-Crotonic acid;(e)-crotonicaci;(e)-crotonicacid |
| CAS Registry Number | 107-93-7 |
| Molecular Formula | C4H6O2 |
| Molecular Weight | 86.09 |
| EINECS | 203-533-9 |
| Other Registry Numbers | |
| More Identifiers on PubChem | IUPA Names, InChI, InChI Key, Canonical SMILES, etc. |
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Chemical & Physical Properties |
| Melting point | 72 °C |
| Boiling Point | 185 °C |
| Density | 1.027 g/mL at 25 °C(lit.) |
| vapor Density | 2.97 (vs air) |
| vapor pressure | 0.19 mm Hg ( 20 °C) |
| Refractive Index | 1.4228 |
| FEMA | 3908 | (E)-2-BUTENOIC ACID |
| Flash Point | 190 °F |
| Storage | Store below +30°C. |
| Solubulity | H2O: soluble |
| pka | 4.69(at 25℃) |
| form | Crystalline Flakes |
| Color | White to light yellow |
| PH | 3 (10g/l, H2O, 20℃) |
| Explosive Limit | 15.1%, 171°F |
| Water Solubility | 94 g/L (25 ºC) |
| Merck | 14,2597 |
| BRN | 1719943 |
| More Properties From PubChem | Topological Polar Surface Area, Monoisotopic Mass, etc. |
| NIST Chemistry Reference | Crotonic acid(107-93-7) |
| EPA Substance Registry System | 2-Butenoic acid, (2E)-(107-93-7) |
Safety & Hazards(Codes & Phrases) |
| Hazard Codes | C,N,Xi |
| R Phrase | 21/22-34-50/53-36/37/38 |
| S Phrase | 26-36/37/39-45-61-37/39 |
| RIDADR | UN 2823 8/PG 3 |
| WGK Germany | 3 |
| RTECS | GQ2900000 |
| Storage Class | 8 |
| Packing Group | III |
| HS Code | 29161940 |
| 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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