Regulatory data is for reference only. Always verify with the official regulator before making formulation decisions. Last refreshed: 10/12/2026.
Ingredients/2,3,4-Trichlorobut-1-ene
2,3,4-Trichlorobut-1-eneCAS 2431-50-7
EU CosIng II — prohibitedASEAN II — prohibitedChina NMPA — prohibitedUK OPSS — prohibitedBrazil ANVISA — prohibited
Is 2,3,4-Trichlorobut-1-ene restricted in cosmetics?
2,3,4-Trichlorobut-1-ene is prohibited in EU CosIng, ASEAN, China NMPA, UK OPSS and Brazil ANVISA. Markets not named here hold no entry for it, which is not a clearance.
- CAS
- 2431-50-7
- INCI
- 2,3,4-Trichlorobut-1-ene
- Data refreshed
- 2026-10-12
Regulatory status
| Source | Status | Annex / Details | Limit / Conditions | Last updated |
|---|---|---|---|---|
| EU CosIng | prohibited | Annex II | — | — |
| ASEAN | prohibited | Annex II | — | — |
| China NMPA | prohibited | — | — | 10/7/2026 |
| UK OPSS | prohibited | — | Source: legislation.gov.uk retained EU Regulation 1223/2009 Annex Ii | 10/5/2026 |
| Brazil ANVISA | prohibited | — | — | 10/7/2026 |
What this means
2,3,4-Trichlorobut-1-ene has regulatory signals in EU CosIng, ASEAN, China NMPA, UK OPSS, Brazil ANVISA. Review the source links above for the official conditions and latest updates.
Recent regulatory changes
No recorded regulatory changes for 2,3,4-Trichlorobut-1-ene yet.
Common questions
- Is 2,3,4-Trichlorobut-1-ene restricted in EU cosmetics?
- 2,3,4-Trichlorobut-1-ene is prohibited in EU cosmetics according to EU CosIng Annex II.
- Is 2,3,4-Trichlorobut-1-ene restricted under the ASEAN Cosmetic Directive?
- 2,3,4-Trichlorobut-1-ene is prohibited under the ASEAN Cosmetic Directive Annex II.
- Is 2,3,4-Trichlorobut-1-ene restricted in China NMPA?
- 2,3,4-Trichlorobut-1-ene is prohibited in cosmetics under China NMPA.
- Is 2,3,4-Trichlorobut-1-ene restricted in UK OPSS?
- 2,3,4-Trichlorobut-1-ene is prohibited in cosmetics under UK OPSS.
- Is 2,3,4-Trichlorobut-1-ene restricted in Brazil ANVISA?
- 2,3,4-Trichlorobut-1-ene is prohibited in cosmetics under Brazil ANVISA.
- What is the CAS number for 2,3,4-Trichlorobut-1-ene?
- The CAS number for 2,3,4-Trichlorobut-1-ene is 2431-50-7.
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