Ingredient Dictionary

ISOAMYL ISOBUTYRATE

Isoamyl isobutyrate is a fatty acid ester obtained by the formal condensation of isoamylol with isobutyric acid.

Definition

Isoamyl isobutyrate is a fatty acid ester obtained by the formal condensation of isoamylol with isobutyric acid. It has a role as a metabolite. It is functionally related to an isoamylol and an isobutyric acid.

Source: PubChem

US FDA substance register · UNII RF0ZT103EG · registered name ISOAMYL ISOBUTYRATE · 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

ISOAMYL ISOBUTYRATEINCIPropanoic acid, 2-methyl-, 3-methylbutyl esterSynonym

CAS No.chemical registry number: 2050-01-3
EC No.EU chemical inventory number: 218-078-1
DTXSIDUS EPA chemical ID: DTXSID0062131
DTXCIDUS EPA compound ID: DTXCID3036311

IUPAC: 3-Methylbutyl 2-methylpropanoate
Molecular formula: C9H18O2
Molecular weight: 158.241 g/mol

Measured properties

Boiling point: 168.00 to 171.00 °C. @ 760.00 mm Hg
Appearance: liquid
Colour: colourless
Melting/freezing point: -70 ℃
Initial boiling point and range: 168.5 ℃
Flash point: 50 ℃
Vapour density: 5.4
Relative density: 0.853 (20℃)
n-Octanol/water partition coefficient (Kow): 3.170
Molecular weight: 158.24

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 7 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.

Fragrance5
Flavouring and nutrient2

Source: US EPA CompTox dashboard