| Product Name | trans-Crotonyl chloride |
| CAS No. | 625-35-4 |
| Synonyms | (E)-2-Butenoyl chloride; 2-Butenoyl chloride,(2E)-; (2E)-but-2-enoyl chloride |
| InChI | InChI=1/C4H5ClO/c1-2-3-4(5)6/h2-3H,1H3/b3-2+ |
| Molecular Formula | C4H5ClO |
| Molecular Weight | 104.53 |
| Density | 1.091 |
| Boiling point | 120-123℃ |
| Flash point | 35℃ |
| Refractive index | 1.4585-1.4615 |
| Hazard Symbols |  C:Corrosive; |
| Risk Codes | R10:; R34:; |
| Safety | S16:; S24/25:; S28A:; |
625-35-4 trans-crotonyl chloride
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