Ingredient Dictionary

TIGLIC ACID

Tiglic acid is a 2-methylbut-2-enoic acid having its double bond in trans-configuration.

Definition

Tiglic acid is a 2-methylbut-2-enoic acid having its double bond in trans-configuration. It has a role as a plant metabolite. It is functionally related to a crotonic acid.

Source: PubChem

US FDA substance register · UNII I5792N03HC · registered name 2,3-DIMETHYLACRYLIC ACID, (E)- · single chemical substance

Source: US FDA Unique Ingredient Identifier (UNII)

Cosmetic roles

Gives the product a scentPERFUMING

Safety & regulatory references

Not classified under Korea’s toxic-substance GHS list · existing chemical substance

Source: Korea toxic substances GHS register (NIER)

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

Names & identifiers

TIGLIC ACIDINCI2-Butenoic acid, 2-methyl-, (2E)-Synonym

CAS No.chemical registry number: 80-59-1
EC No.EU chemical inventory number: 201-295-0
DTXSIDUS EPA chemical ID: DTXSID80883257
DTXCIDUS EPA compound ID: DTXCID201022801

IUPAC: (2E)-2-Methylbut-2-enoic acid
Molecular formula: C5H8O2
Molecular weight: 100.117 g/mol

Measured properties

Appearance: solid
Colour: white
pH: 5.04
Melting/freezing point: 63~65 ℃
Initial boiling point and range: 198.4 ℃
Flash point: 96 ℃
Vapour pressure: 0.15 ㎜Hg
Relative density: 0.9
n-Octanol/water partition coefficient (Kow): 1.40
Molecular weight: 100.12

Values measured on the substance itself. The KOSHA data are a reference for writing and reviewing safety data sheets, not a specification for a commercial raw material.

Source: KOSHA safety data sheets (Korea)

What products actually use it for

What the 5 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.

Fragrance3
Flavouring and nutrient2

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

SkinIrr2
Skin Irritation · QSAR Predicted