ethyl (3-cyanomethyl-3,4-dihydro-4-oxophthalazin-1-yl)acetate

Severity 4/10

cosmetic ingredient

Is ethyl (3-cyanomethyl-3,4-dihydro-4-oxophthalazin-1-yl)acetate safe?

ethyl (3-cyanomethyl-3,4-dihydro-4-oxophthalazin-1-yl)acetate carries moderate concerns worth knowing about (allergy risk).

Documented concerns

Each concern below is drawn from official data — see the cited sources ↓

Allergy risk

4/10

Classified by EU CLP Skin Sens. 1.

Official regulatory status

Pulled directly from official regulatory datasets and expert reviews — not our own judgement.

CIR: reviewed safe

Sources

Each authority below is shown only because our ingested copy of its data lists ethyl (3-cyanomethyl-3,4-dihydro-4-oxophthalazin-1-yl)acetate — not because we asserted it. Follow a link to verify the classification or regulation directly.

CIR ↗

CIR conclusion from the Cosmetic Ingredient Review (CIR) Quick Reference Table — cir-safety.org (snapshot in data/sources/)(point-in-time snapshot; CIR's live record may have been updated since).

See our methodology for how these map to concern levels. Informational only — not medical advice.

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