Regulatory data is for reference only. Always verify with the official regulator before making formulation decisions. Last refreshed: 7/12/2026.
Ingredients/1,4-Dichlorobut-2-ene
1,4-Dichlorobut-2-eneCAS 764-41-0
EU CosIng Annex II — prohibited
Regulatory status
| Source | Status | Annex / Details | Limit / Conditions | Last updated |
|---|---|---|---|---|
| EU CosIng | prohibited | Annex II | — |
What this means
1,4-Dichlorobut-2-ene has regulatory signals in EU CosIng. Review the source links above for the official conditions and latest updates.
Common questions
- Is 1,4-Dichlorobut-2-ene restricted in EU cosmetics?
- 1,4-Dichlorobut-2-ene is prohibited in EU cosmetics according to EU CosIng Annex II.
- What is the CAS number for 1,4-Dichlorobut-2-ene?
- The CAS number for 1,4-Dichlorobut-2-ene is 764-41-0.
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