2-Ethylbutyric acid

Overview IFRA Botanical Request a quote

  • Identifiers

    CAS number
    88-09-5

    Molecular formula
    C6H12O2

    SMILES
    CCC(CC)C(=O)O

    Safety labels

    Acute Toxic
    Acute Toxic

    Irritant
    Irritant

    Retention indicies (RI)

    • Carbowax: 1657.0

  • Odor profile

    fruity 94.75%
    cheesy 77.25%
    sour 50.01%
    sweet 48.93%
    dairy 44.08%
    fatty 42.11%
    tropical 41.68%
    pungent 39.56%
    buttery 39.37%
    creamy 38.27%

    Scent© AI

  • Properties

    XLogP3-AA
    1.7 Well soluble in IAA, DEP, MMB

    Molecular weight
    116.16 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Moderate

    Melting point expt.

    • -15 °C

    Boiling point

    • 99.00 to 101.00 °C. @ 18.00 mm Hg

    Solubility expt.

    • 18 mg/mL at 20 °C
    • miscible with alcohol, ether; soluble in water 1 ml in 65 ml

  • Synonyms

    • 2-ETHYLBUTYRIC ACID
    • 2-Ethylbutanoic acid
    • 88-09-5
    • Diethylacetic acid
    • Butanoic acid, 2-ethyl-
    • Acetic acid, diethyl-
    • 3-Pentanecarboxylic acid
    • 2-Ethyl butanoic acid
    • Butyric acid, 2-ethyl-
    • alpha-Ethylbutyric acid
    • alpha-Ethylbuytyric acid
    • diethyl acetic acid
    • Kyselina diethyloctova
    • 2-Ethyl-butyric acid
    • FEMA No. 2429
    • .alpha.-Ethylbutyric acid
    • 2-ethyl-butanoic acid
    • NSC 11765
    • Kyselina diethyloctova [Czech]
    • EINECS 201-796-4
    • IDY8B990KE
    • BRN 1098634
    • DTXSID2041418
    • AI3-04629
    • 2-Ethyl-n-butyric acid
    • NSC-11765
    • (C2H5)2CHCOOH
    • DIETHYLACETIC ACID [MI]
    • DTXCID0021418
    • 2-ETHYLBUTYRIC ACID [FCC]
    • 2-ETHYLBUTYRIC ACID [FHFI]
    • 4-02-00-00950 (Beilstein Handbook Reference)
    • a-Ethylbutyric Acid
    • WLN: QVY2&2
    • 3-Pentane-Carboxylic Acid
    • UNII-IDY8B990KE
    • Diathylessigsaure
    • ethylbutyric acid
    • diethyl-acetic acid
    • 2-Ethylbutanoicacid
    • 2Ethylbutanoic acid
    • MFCD00002670
    • 2Ethyl butanoic acid
    • Acetic acid, diethyl
    • alphaEthylbutyric acid
    • Butyric acid, 2ethyl
    • 3Pentanecarboxylic acid
    • Butanoic acid, 2ethyl
    • pentane-3-carboxylic acid
    • 2-Ethylbutyric acid, 8CI
    • SCHEMBL6114
    • 2-Ethylbutyric acid, 99%
    • CHEMBL184290
    • FEMA 2429
    • NSC8758
    • CHEBI:173424
    • NSC-8758
    • NSC11765
    • STR03488
    • Tox21_301054
    • BBL018400
    • LMFA01020077
    • MSK000713
    • s6057
    • STL168031
    • AKOS000120398
    • CS-W004154
    • HY-W004154
    • CAS-88-09-5
    • NCGC00248269-01
    • NCGC00254956-01
    • 2-Ethylbutyric acid, >=98%, FCC, FG
    • DB-057043
    • E0070
    • EN300-20446
    • E77046
    • Q10844268
    • F2191-0102
    • Z104478232
    • 201-796-4
1 4

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
Guava fruit (Egypt) 91770-12-6 Psidium guajava L., fam. Myrtaceae 0.45%