Ingredient Dictionary

A-TERPINYL ACETATE

Alpha-Terpinyl acetate is a p-menthane monoterpenoid.

Definition

Alpha-Terpinyl acetate is a p-menthane monoterpenoid.

US FDA substance register · UNII 9RXE0I9F2J · registered name .ALPHA.-TERPINYL ACETATE, (±)- · 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

A-TERPINYL ACETATEINCI3-Cyclohexene-1-methanol, .alpha.,.alpha.,4-trimethyl-, acetateSynonym

CAS No.chemical registry number: 80-26-2
EC No.EU chemical inventory number: 201-265-7
DTXSIDUS EPA chemical ID: DTXSID2026496
DTXCIDUS EPA compound ID: DTXCID506496

IUPAC: 2-(4-Methylcyclohex-3-en-1-yl)propan-2-yl acetate
Molecular formula: C12H20O2
Molecular weight: 196.29 g/mol

Measured properties

Appearance: Liquid, CBI · colourless liquid with a sweet, refreshing, herbaceous odour
Boiling point: 115.00 °C. @ 2.00 mm Hg · 220 °C
Solubility: soluble in alcohol, most fixed oils, propylene glycol, mineral oil, slightly soluble in glycerol, insoluble in water · 1 ml in 5 ml 70% alcohol (in ethanol)
Density: 0.953-0.962
Melting/freezing point: 21.47 ℃
Initial boiling point and range: 240 ℃
Flash point: 83 ℃
Vapour pressure: 0.04 ㎜Hg
Relative density: 0.9659
n-Octanol/water partition coefficient (Kow): 3.96
Molecular weight: 196.29

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: PubChem · KOSHA safety data sheets (Korea)

What products actually use it for

What the 98 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.

Fragrance96
Flavouring and nutrient2

Source: US EPA CompTox dashboard

Irritation and sensitisation studies

4 skin studies and 1 eye studies are on record.

Classed as low3

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 5 studies

Category 6.3A (Category 2)
Skin Irritation · Read Across
Not likely to be sensitizing
skin sensitisation: in vivo (LLNA) · Screening · according to OECD Guideline 429 (Skin Sensitisation: Local Lymph Node Assay) according to EU Method B.42 (Skin Sensitisation: Local Lymph Node Assay) according to EPA OPPTS 870.2600 (Skin Sensitisation)
Studies Indicate No Significant Irritation
skin irritation: in vivo · Screening · OECD Guideline 404 (Acute Dermal Irritation / Corrosion) equivalent or similar to
Studies Indicate No Significant Irritation
skin irritation: in vivo · Screening · OECD Guideline 404 (Acute Dermal Irritation / Corrosion) according to
Category 6.4A (Category 2A)
Eye Irritation · Read Across