Amyl isobutyrate

Overview IFRA Botanical Request a quote

  • Identifiers

    CAS number
    2445-72-9

    Molecular formula
    C9H18O2

    SMILES
    CCCCCOC(=O)C(C)C
    OO

    Safety labels

    Flammable
    Flammable

    Retention indicies (RI)

    • DB5: 1055.5
    • Carbowax: 1237.0

  • Odor profile

    fruity 98.39%
    apple 76.0%
    sweet 74.28%
    pineapple 70.48%
    tropical 65.99%
    banana 64.41%
    green 58.07%
    ripe 51.22%
    ethereal 50.77%
    pear 50.06%

    Scent© AI

  • Properties

    XLogP3-AA
    3.0 Well soluble in DEP, BB, IAA

    Molecular weight
    158.24 g/mol

    Vapor pressure est.

    • 0.9842 hPa @ 20°C
    • 1.4283 hPa @ 25°C

    Evaporation rate
    Fast

    Boiling point est.
    177°C

  • Synonyms

    • Amyl isobutyrate
    • Pentyl isobutyrate
    • 2445-72-9
    • Pentyl 2-methylpropanoate
    • Propanoic acid, 2-methyl-, pentyl ester
    • Isobutyric acid, pentyl ester
    • Pentyl 2-methylpropionate
    • 7UEX06WJZW
    • EINECS 219-494-6
    • AI3-06017
NaN -Infinity

IFRA Standard 51

Recommendation
No restriction
Maximum acceptable concentrations in the finished product (%)
Category 1
Products applied to the lips
 No restriction Category 7A
Rinse-off products applied to the hair with some hand contact
 No restriction
Category 2
Products applied to the axillae
 No restriction Category 7B
Leave-on products applied to the hair with some hand contact
 No restriction
Category 3
Products applied to the face/body using fingertips
 No restriction Category 8
Products with significant anogenital exposure
 No restriction
Category 4
Products related to fine fragrance
 No restriction Category 9
Products with body and hand exposure, primarily rinse off
 No restriction
Category 5A
Body lotion products applied to the body using the hands (palms), primarily leave on
 No restriction Category 10A
Household care products with mostly hand contact
 No restriction
Category 5B
Face moisturizer products applied to the face using the hands (palms), primarily leave on
 No restriction Category 10B
Household care products with mostly hand contact, including aerosol/spray products (with potential leave-on skin contact)
 No restriction
Category 5C
Hand cream products applied to the hands using the hands (palms), primarily leave on
 No restriction Category 11A
Products with intended skin contact but minimal transfer of fragrance to skin from inert substrate without UV exposure
 No restriction
Category 5D
Baby Creams, baby Oils and baby talc
 No restriction Category 11B
Products with intended skin contact but minimal transfer of fragrance to skin from inert substrate with potential UV exposure
 No restriction
Category 6
Products with oral and lip exposure
 No restriction Category 12
Products not intended for direct skin contact, minimal or insignificant transfer to skin
 No restriction

Botanical

Name CAS Botanical Proportion
Juniperus foetidissima leaf Juniperus foetidissima Willd., fam. Cupressaceae 0.1%
Juniperus rigida (Japan) 2 Juniperus rigida Mig., fam. Cupressaceae 0.1%
Juniperus rigida (China) Juniperus rigida Mig., fam. Cupressaceae 0.6%
Clary sage (Spain) 8016-63-5 Salvia sclarea L., fam. Lamiaceae (Labiatae) 0.01%
Juniper leaf (Sweden) 8012-91-7 Juniperus communis L., fam. Cupressaceae 0.2%
Carob bean extract 1 9000-40-2 Ceratonia siliqua L., fam. Leguminoseae 0.4%
Pistacia lentiscus (Italy) 1a CO2-extract 90082-83-0 Pistacia lentiscus L., fam. Anacardiaceae 1.1%
Pistacia lentiscus (Italy) 2a CO2 extract berry 90082-83-0 Pistacia lentiscus L., fam. Anacardiaceae 1.9%
Pistacia lentiscus (Italy) 3a CO2 extract leaf 90082-83-0 Pistacia lentiscus L., fam. Anacardiaceae 1.1%