Korean: 메틸트랜스-2-부테노에이트 · CAS 623-43-8 ·
Prohibited MFDS prohibited ingredients
Source: MFDS — cosmetic ingredient use restrictions · checked Oct 17, 2026
No specific rule on file.
No specific rule on file. The FDA regulates few cosmetic ingredients by name; no rule does not mean approval.
How Methyl trans-2-butenoate is treated in 5 more markets, from the overseas cosmetic regulation database compiled by Korea's MFDS. Always confirm with the regulator of that country before selling there.
| Market | Status | Conditions |
|---|---|---|
| CN China | Prohibited | — |
| AS ASEAN (10 countries) | Prohibited only in certain forms or uses | MFDS summary (Korean): when used as a fragrance ingredient^착향성분으로 사용될경우에 한함 |
| CA Canada | Prohibited | — |
| BR Brazil | Prohibited only in certain forms or uses | MFDS summary (Korean): when used as a fragrance ingredient^착향 성분으로 사용될경우에 한함 |
| AR Argentina | Prohibited only in certain forms or uses | MFDS summary (Korean): when used as a fragrance ingredient^착향 성분으로 사용될경우에 한함 |
Source: MFDS cosmetic ingredient use restrictions — overseas regulations · checked Oct 17, 2026
Methyl trans-2-butenoate 메틸트랜스-2-부테노에이트
Information only, not medical advice. Rules change — always check the linked official source. If you are pregnant, have a skin condition or allergies, ask a dermatologist or pharmacist.
We found no specific rule for it in the EU's CosIng records. That is not an approval or a safety statement.
In Korea's MFDS records it is listed as “Prohibited” (MFDS — cosmetic ingredient use restrictions).
We found no specific rule for it in the FDA's records. That is not an approval or a safety statement.
Korea's MFDS standard Korean name is 메틸트랜스-2-부테노에이트.
CAS 623-43-8 (from official records).