Stearic Acid

Overview IFRA Botanical Request a quote

  • Identifiers

    CAS number
    57-11-4

    Molecular formula
    C18H36O2

    SMILES
    CCCCCCCCCCCCCCCCCC(=O)O
    HOOC

    Safety labels

    Irritant
    Irritant

    Retention indicies (RI)

    • DB5: 2170.0
    • Carbowax: 3120.0

  • Odor profile

    waxy 81.92%
    fatty 75.79%
    oily 43.56%
    odorless 29.7%
    creamy 28.82%
    dairy 26.08%
    soapy 22.1%
    milky 22.08%
    meaty 21.31%
    savory 20.61%

    Scent© AI

    Odor threshold>

    • Odor Threshold Low: 20.0 [mmHg]. Odor threshold (detection) = 20 ppm
    • Aroma threshold values: Detection: 20 ppm

  • Properties

    XLogP3-AA
    7.4 Well soluble in DOA, IPM, IPP

    Molecular weight
    284.5 g/mol

    Vapor pressure est.

    • 0 hPa @ 20°C
    • 0 hPa @ 25°C

    Evaporation rate
    Ultra slow

    Melting point expt.

    • 156.7 °F (NTP, 1992)
    • 68.8 °C
    • 69.3 °C
    • 69-72 °C
    • 156.7 °F

    Boiling point

    • 721 °F at 760 mmHg (NTP, 1992)
    • 383 °C
    • 371 °C
    • 721 °F

    Flash point expt.

    • 385 °F (NTP, 1992)
    • 113 °C (235 °F) - closed cup
    • 385 °F (196 dec C) (closed cup)
    • 196 °C
    • 385 °F

    Solubility expt.

    • 1 to 10 mg/mL at 73 °F (NTP, 1992)
    • 0.597 mg/L (at 25 °C)
    • In water, 0.568 mg/L at 25 °C
    • In water, 0.597 mg/L at 25 °C
    • Insoluble in water
    • Slightly soluble in ethanol, benzene; soluble in acetone, chloroform, carbon disulfide
    • For more Solubility (Complete) data for Stearic acid (6 total), please visit the HSDB record page.
    • 0.000597 mg/mL
    • Solubility in water: none
    • practically insoluble in water; soluble in alcohol, ether, chloroform
    • 1 g in 20 ml alcohol (in ethanol)

  • Synonyms

    • stearic acid
    • Octadecanoic acid
    • 57-11-4
    • n-Octadecanoic acid
    • Stearophanic acid
    • Cetylacetic acid
    • 1-Heptadecanecarboxylic acid
    • Pearl stearic
    • Stearex Beads
    • Octadecansaeure
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
Genet absolute 1 8023-80-1 Spartium junceum L., fam. Leguminosae (Papilionaceae) 3.0%
Saffron 1 8022-19-3 Crocus sativus L., fam. Iridaceae 0.1%
Hedychium coronarium flower (Japan) Hedychium coronarium Koenig, fam. Zingiberaceae 0.01%
Thyme 3 8007-46-3 Thymus vulgaris L., fam. Lamiaceae (Labiatae) 0.27%
Thyme 4 8007-46-3 Thymus vulgaris L., fam. Lamiaceae (Labiatae) 8.3%
Ambrette seed 2 8015-62-1 Hibiscus abelmoschus L. (Abelmoschus moschatus Moench), fam. Malvaceae 0.1%
Ambrette seed 4 8015-62-1 Hibiscus abelmoschus L. (Abelmoschus moschatus Moench), fam. Malvaceae 1.2%
Ambrette seed 3 8015-62-1 Hibiscus abelmoschus L. (Abelmoschus moschatus Moench), fam. Malvaceae 0.2%
Angelica root (Finland) 4 8015-64-3 Angelica archangelica L. var. archangelica, fam. Apiaceae (Umbelliferae) 0.4%
Angelica root (Finland) 3 8015-64-3 Angelica archangelica L. var. sativa, fam. Apiaceae (Umbelliferae) 0.3%
Agarwood smoke 1 Aquilaria agallocha Roxb., fam. Thymelaeaceae 0.35%
Ageratum houstonianum (India) Ageratum houstonianum Mill., fam. Asteraceae (Compositae) 0.01%
Coriander fruit (Cuba) 8008-32-4 Coriandrum sativum L., fam. Apiaceae (Umbelliferae) 0.2%
Celery seed (China) 3b 8015-90-5 Apium graveolens L., fam. Apiaceae (Umbelliferae) 0.07%
Passion fruit shell Passiflora edulis Sims, fam. Passifloraceae 2.0%
Pelargonium sidoides Pelargonium sidoides DC., fam. Geraniaceae 3.5%
Colocasia esculenta (Taro) Colocasia esculenta (L.) Schott, fam. Araceae 1.5%
Guava fruit (Cuba) 91770-12-6 Psidium guajava L., fam. Myrtaceae 4.0%
Oregano, spanish (Israel) 4 8007-11-2 Coridothymus capitatus Rchb. (Thymus capitatus Hoffm. et Link.), Lamiaceae 0.05%
Patchouli (China) 3a root 8014-09-3 Pogostemon cablin Benth., fam. Lamiaceae (Labiatae) 0.03%
Patchouli (China) 3b rhizome 8014-09-3 Pogostemon cablin Benth., fam. Lamiaceae (Labiatae) 0.25%
Anthoxanthum odoratum (Italy) 1b hay Anthoxanthum odoratum L., fam. Poaceae (Gramineae) 0.2%
Carapa guianensis Carapa guianensis Aubl., fam. Meliaceae 0.05%
Decalepis hamiltonii root (India) Decalepis hamiltonii (Wight & Arn), fam. Asclepiadaceae 0.41%
Rocket leaf 1 Eruca sativa L., fam. Brassicaceae 0.01%
Cassie absolute 1a extract 8023-82-3 Acacia farnesiana (L.) Willd., fam. Mimosaceae (Leguminosae) 0.5%
Guarea macrophylla ssp. tuberculata stem bark Guerea macrophylla Vahl. ssp. tuberculata Vellozo, fam. Meilaceae 1.9%