Ingredient Dictionary

GAMMA-UNDECALACTONE

Xi-gamma-Undecalactone is a lactone.

How much products actually contain

No product states its amount yet.

Of the products containing it, 9 list it before the 1% line and 24 after it (usually 1% or less).

Products using this ingredient

12 of 33 confirmed · likeliest to carry enough first · See all 33

Definition

Xi-gamma-Undecalactone is a lactone.

Source: PubChem

US FDA substance register · UNII QB1T0AG2YL · registered name .GAMMA.-UNDECALACTONE · single chemical substance

Source: US FDA Unique Ingredient Identifier (UNII)

Gamma-Undecalactone is the heterocyclic compound that conforms to the formula

Cosmetic roles

Skin conditioning not covered aboveSKIN CONDITIONING - MISCELLANEOUSGives the product a scentPERFUMINGListed as a fragrance-composition material (not a claim that it adds scent)FRAGRANCE

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

Official labels & definitions

JCIA labelling name ウンデカラクトン: 本品は、次の化学式で表されるラクトンである。

Source: JCIA labelling names (Japan)

Names & identifiers

GAMMA-UNDECALACTONEINCI감마-운데카락톤Korean label name (MFDS standard)2(3H)-Furanone, 5-heptyldihydro-SynonymウンデカラクトンJapanese labelling name

CAS No.chemical registry number: 104-67-6
EC No.EU chemical inventory number: 203-225-4
DTXSIDUS EPA chemical ID: DTXSID4034287
DTXCIDUS EPA compound ID: DTXCID2014287

IUPAC: 5-Heptyloxolan-2-one
Molecular formula: C11H20O2
Molecular weight: 184.279 g/mol

Measured properties

Appearance: Dry Powder, Liquid, CBI, Other Solid · Colorless to yellow liquid with a strong fruity odor like peaches, [Reference #1]
Boiling point: 297 °C
Solubility: soluble in alcohol, most fixed oils and propylene glycol, insoluble in glycerol and in water · 1 ml in 5 ml 60% alcohol (in ethanol)
Density: 0.942-0.945
Colour: colourless
Melting/freezing point: 10 ℃
Initial boiling point and range: 286 ℃
Flash point: 200 ℉
Vapour pressure: 0.00409 ㎜Hg
Water solubility: 128 ㎎/ℓ
Relative density: 0.9494
n-Octanol/water partition coefficient (Kow): 3.06
Molecular weight: 184.28

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 622 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.

Fragrance613
Flavouring and nutrient3
Deodorizer3
Processing aids not otherwise specified1
Softener and conditioner1
Solvent1

Source: US EPA CompTox dashboard

Irritation and sensitisation studies

4 skin studies and 2 eye studies are on record.

Classed as moderate2

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 6 studies

Classification not possible
Skin Sensitization · Screening
Classification not possible
Skin Irritation · Screening
SkinIrr2
Skin Irritation · QSAR Predicted
Category 6.3A (Category 2)
Skin Irritation · Read Across
Classification not possible
Eye Irritation · Screening
Studies Indicate No Significant Irritation
eye irritation: in vivo · Screening · OECD Guideline 405 (Acute Eye Irritation / Corrosion) according to