Crotonoyl chloride
ALDRICH/127787 - technical grade, 90%
Synonym: (E)-Crotonoyl chloride; trans-Crotonoyl chloride
CAS Number: 625-35-4
Empirical Formula (Hill Notation): C4H5ClO
Molecular Weight: 104.53
MDL Number: MFCD00000734
Linear Formula: CH3CH=CHCOCl
Product Type: Chemical
| assay | 90% |
| bp | 120-123 °C (lit.) |
| contains | 1500 ppm hydroquinone as stabilizer |
| density | 1.091 g/mL at 25 °C (lit.) |
| functional group | acyl chloride |
| grade | technical grade |
| InChI | 1S/C4H5ClO/c1-2-3-4(5)6/h |
| InChI key | RJUIDDKTATZJFE-NSCUHMNNSA |
| Quality Level | 200 ![]() |
| refractive index | n |
| SMILES string | CC=CC(Cl)=O |
| storage temp. | 2-8°C |
| Application: | Crotonoyl chloride was used in the synthesis of α,β-unsaturated ester. |
| Packaging: | 5, 100, 500 g in glass bottle |
| Symbol | ![]() ![]() GHS02,GHS05,GHS07 |
| Signal word | Danger |
| Hazard statements | H226 - H314 - H335 |
| Precautionary statements | P210 - P233 - P240 - P280 - P303 + P361 + P353 - P305 + P351 + P338 |
| Hazard Codes | C |
| Risk Statements | 10-34-37 |
| Safety Statements | 26-36/37/39-45-60 |
| RIDADR | UN 2920 3(8) / PGII |
| WGK Germany | WGK 3 |
| Flash Point(F) | 95.0 °F - closed cup |
| Flash Point(C) | 35 °C - closed cup |
| Purity | 90% |
| bp | 120-123 °C (lit.) |
| Density | 1.091 g/mL at 25 °C (lit.) |
| Refractive Index | n |
| Storage Temp. | 2-8°C |
| UNSPSC | 12352100 |




