Regulatory data is for reference only. Always verify with the official regulator before making formulation decisions. Last refreshed: 10/12/2026.
Ingredients/Diazomethane
DiazomethaneCAS 334-88-3
EU CosIng II — prohibitedASEAN II — prohibitedChina NMPA — prohibitedUK OPSS — prohibitedBrazil ANVISA — prohibited
Is Diazomethane restricted in cosmetics?
Diazomethane 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
- 334-88-3
- INCI
- Diazomethane
- 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
Diazomethane 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 Diazomethane yet.
Common questions
- Is Diazomethane restricted in EU cosmetics?
- Diazomethane is prohibited in EU cosmetics according to EU CosIng Annex II.
- Is Diazomethane restricted under the ASEAN Cosmetic Directive?
- Diazomethane is prohibited under the ASEAN Cosmetic Directive Annex II.
- Is Diazomethane restricted in China NMPA?
- Diazomethane is prohibited in cosmetics under China NMPA.
- Is Diazomethane restricted in UK OPSS?
- Diazomethane is prohibited in cosmetics under UK OPSS.
- Is Diazomethane restricted in Brazil ANVISA?
- Diazomethane is prohibited in cosmetics under Brazil ANVISA.
- What is the CAS number for Diazomethane?
- The CAS number for Diazomethane is 334-88-3.
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