Ingredient Dictionary

TULIPALIN A

Alpha-methylene gamma-butyrolactone is a butan-4-olide having a methylene group at the 3-position.

Definition

Alpha-methylene gamma-butyrolactone is a butan-4-olide having a methylene group at the 3-position. It has a role as an anti-ulcer drug and a gastrointestinal drug.

Source: PubChem

US FDA substance register · UNII 362Y256BOL · registered name .ALPHA.-METHYLENE BUTYROLACTONE · single chemical substance

Source: US FDA Unique Ingredient Identifier (UNII)

alpha-Methylene-gamma-butyrolactone

Cosmetic roles

Protects skin from outside irritantsSKIN PROTECTING

Safety & regulatory references

Other restriction: ban substances that deplete the ozone layer

Source: EU CosIng ingredient list

More data — names, identifiers, properties, test records, literature

Names & identifiers

TULIPALIN AINCI튤리팔린AKorean label name (MFDS standard)

CAS No.chemical registry number: 547-65-9
EC No.EU chemical inventory number: 208-931-6
DTXSIDUS EPA chemical ID: DTXSID2074663
DTXCIDUS EPA compound ID: DTXCID4041783

IUPAC: 3-Methylideneoxolan-2-one
Molecular formula: C5H6O2
Molecular weight: 98.101 g/mol

What products actually use it for

What the 1 products reported to the US EPA with this ingredient use it for. Products outside cosmetics are included, so the top few rows are its main uses.

Humectant1

Source: US EPA CompTox dashboard

Irritation and sensitisation studies

1 skin studies and 0 eye studies are on record.

Classed as moderate1

The study conclusions largely agree (100%). These tests are on the raw material itself; irritation at the amount in a finished product is a different question.

See all 1 studies

SkinSens1
Skin Sensitization · QSAR Predicted