What is this ingredient?

미국 FDA 물질 등록 · UNII I1XGH66S8P · 등록명 .GAMMA.-NONALACTONE · 단일 화학물질

All ingredients

Ingredient Dictionary

GAMMA-NONALACTONE

How much products actually contain

No product states its amount yet.

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

Products using this ingredient

12 of 18 confirmed · likeliest to carry enough first · See all 18

Definition

US FDA substance register · UNII I1XGH66S8P · registered name .GAMMA.-NONALACTONE · single chemical substance

Source: US FDA Unique Ingredient Identifier (UNII)

Cosmetic roles

Listed as a fragrance-composition material (not a claim that it adds scent)FRAGRANCEKeeps skin in good condition (CosIng catch-all)SKIN CONDITIONINGGives 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)

Other restriction: ban substances that deplete the ozone layer

Source: EU CosIng ingredient list

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

Official labels & definitions

JCIA labelling name ノナラクトン: 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-NONALACTONEINCI감마-노나락톤Korean label name (MFDS standard)2(3H)-Furanone, dihydro-5-pentyl-SynonymノナラクトンJapanese labelling name

CAS No.chemical registry number: 104-61-0
EC No.EU chemical inventory number: 203-219-1
DTXSIDUS EPA chemical ID: DTXSID0034229
DTXCIDUS EPA compound ID: DTXCID8014229

IUPAC: 5-Pentyloxolan-2-one
Molecular formula: C9H16O2
Molecular weight: 156.225 g/mol

Measured properties

Appearance: CBI, Liquid, Dry Powder · Colorless to pale straw-yellow liquid with an odor of coconut, [HSDB]
Odour: Strong odor reminiscent of coconut
Boiling point: BP: 134 °C at 12 mm Hg · The boiling point at 1.7 kPa is 136 °C.
Solubility: Soluble in alcohol, most fixed oils, propylene glycol, 1:1 in 60% alcohol · Soluble in five volumes of 50% alcohol, soluble in most fixed oils and mineral oil, practically insoluble in glycerol
Density: 0.958-0.966 at 25 °C · 0.958-0.966
pH: Acid value max: 2.0
Initial boiling point and range: 270.2 ℃
Flash point: 126 ℃(c.c., ± 0.2 @)
Flammability (solid, gas): combustible
Vapour pressure: 0.282 ㎩ (@ 25 ℃)
Water solubility: 2.18 g/ℓ (@ 20 ℃)
Vapour density: 5.39
Relative density: 0.965 (@ 19.9 ℃)
n-Octanol/water partition coefficient (Kow): 2.5 (@ 25 ℃)
Auto-ignition temperature: 256 ℃ (@ 1027 mBar)
Viscosity: 10 cP
Molecular weight: 156.25

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 347 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.

Fragrance338
Deodorizer3
Flavouring and nutrient3
Solvent1
Processing aids not otherwise specified1
Softener and conditioner1

Source: US EPA CompTox dashboard

Irritation and sensitisation studies

1 skin studies and 2 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 3 studies

Category 6.3A (Category 2)
Skin Irritation · Read Across
Studies Indicate No Significant Irritation
eye irritation: in vivo · Screening · OECD Guideline 405 (Acute Eye Irritation / Corrosion) according to
Category 6.4A (Category 2A)
Eye Irritation · Read Across