Tulipalin A

Also known as: EINECS 208-931-6, NSC 205367, UNII-362Y256BOL, 3-Methylenedihydro-2(3H)-furanone, Dihydro-3-methylene-2(3H)-furanone (+4 more)

INCI: TULIPALIN A (Α-METHYLENE-Γ-BUTYROLACTONE)

Tulipalin A (CAS 547-65-9) is a cosmetic cosmetic ingredient functioning as Skin protecting (CosIng listed function). EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in industrial chemical safety and pharmaceutical data.

View industrial chemical safety profile for CAS 547-65-9 →

Auto-generated CPSR Part A draft with source citations
Function
Skin protecting (CosIng listed function)
Safety Rating
POOR

Chemistry & Identifiers

Formula
C5H6O2
MW
98.1 g/mol
PubChem CID
68352
IUPAC Name
3-methylideneoxolan-2-one
InChIKey
GSLDEZOOOSBFGP-UHFFFAOYSA-N

Regulatory Status

EU EU Status permitted
US US Status permitted
US Notes Not specifically regulated; no CIR safety assessment found

For full compliance data across multiple jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety, dermal absorption, and sensitization profile summaries for Tulipalin A.

Calculate MoS for your specific formulation with the MoS Calculator.

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Humectant

Expert Verdict

Expert safety assessment and concern-level summary for Tulipalin A.

Regulatory Flags

potential-allergen

Known Synonyms

EINECS 208-931-6 NSC 205367 UNII-362Y256BOL 3-Methylenedihydro-2(3H)-furanone Dihydro-3-methylene-2(3H)-furanone alpha-Methylene butyrolactone alpha-methylene gamma-butyrolactone alpha-methylene-gamma-butyrolactone alpha-methylidene-gamma-butyrolactone

Chemical Function

Humectant

Cross-Vertical Safety Context

Same-CAS public records found in pharmaceutical data.

SOURCE ChEMBL / DrugCentral / FAERS DB_PHARMA CAS match

Pharmaceutical Data

Same-CAS rows from the pharmaceutical spoke database.

Compound
TULIPALINE A
ChEMBL ID
CHEMBL275748
View full pharmaceutical profile →

Frequently Asked Questions

Is Tulipalin A safe in cosmetics?

Tulipalin A has a safety rating of "POOR" in our database. EU status: permitted. US status: permitted.

Is Tulipalin A allowed in the EU?

Tulipalin A EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Tulipalin A do in cosmetics?

Tulipalin A functions as: Skin protecting (CosIng listed function). It is classified as a cosmetic ingredient in our database. CAS number: 547-65-9.

Is Tulipalin A used outside cosmetics?

Tulipalin A also appears in industrial chemical safety and pharmaceutical data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.

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