| FEMA | N/A |
| CAS | 126-99-8 |
| EINECS | 204-826-4 |
| JECFA Food Flavoring | N/A |
| CoE Number | N/A |
| Organoleptic Notes |
|
| Odor | N/A |
| Flavor | N/A |
| Material Notes | toxic, possibly carcinogenic, monomer of neoprene, a synthetic rubber; causes damage to skin, lungs, cns, kidneys, liver, blood cells and fetuses. synonym: 2-chlorobutadiene. |