Octane

  • Identifiers

    CAS mumber
    111-65-9

    Molecular formula
    C8H18

    SMILES
    CCCCCCCC

    Retention indicies (RI)

    • DB5: 800.0
    • Carbowax: 800.0

  • Properties

    XLogP3-AA
    3.9 Well soluble in BB, DEP, IPM

    Molecular weight
    114.23 g/mol

    Melting points

    • -70.2 °F (USCG, 1999)
    • -56.73 °C
    • -56.8 °C
    • -56.8 °C
    • -70 °F
    • -70 °F

    Boiling points

    • 258.1 °F at 760 mmHg (USCG, 1999)
    • 125.62 °C
    • 125.00 to 126.00 °C. @ 760.00 mm Hg
    • 126 °C
    • 258 °F
    • 258 °F

    Flash points

    • 56 °F (USCG, 1999)
    • 56 °F (13 °C) (Closed cup)
    • 72 °F (22 °C) (Open cup)
    • 13 °C c.c.
    • 56 °F
    • 56 °F

    Solubilities

    • 7e-05 % at 77 °F (NIOSH, 2024)
    • In water, 0.66 mg/L at 25 °C
    • Soluble in ethyl ether; miscible with ethanol, acetone, benzene
    • Miscible with benzene, petroleum ether, gasoline; soluble in ether; slightly soluble in alcohol
    • 0.00066 mg/mL
    • Solubility in water: none
    • (77 °F): 0.00007%

  • Synonyms

    • octane
    • n-octane
    • 111-65-9
    • Oktan
    • Oktanen
    • Ottani
    • n-Oktan
    • Oktanen [Dutch]
    • Oktan [Polish]
    • Ottani [Italian]
    • HSDB 108
    • UNII-X1RV0B2FJV
    • X1RV0B2FJV
    • NSC 9822
    • EINECS 203-892-1
    • MFCD00009556
    • DTXSID0026882
    • CHEBI:17590
    • AI3-28789
    • NSC-9822
    • DTXCID406882
    • CH3-[CH2]6-CH3
    • EC 203-892-1
    • Heptane, methyl-
    • Octane, all isomers
    • CH3-(CH2)6-CH3
    • Octane; NSC 9822; n-Octane
    • octano
    • Normal octane
    • normal-Octane
    • octan
    • Octanes
    • Octil
    • MG8
    • OTTANE
    • N-OCTANE [HSDB]
    • OCTANE [MI]
    • bmse000480
    • Octane, analytical standard
    • WLN: 8H
    • Octane, anhydrous, >=99%
    • Octane, reagent grade, 98%
    • n-C8H18
    • Octane, p.a., 99.0%
    • CHEMBL134886
    • NSC9822
    • HY-Y1690
    • Tox21_202452
    • c0044
    • LMFA11000002
    • AKOS015904009
    • NCGC00249228-01
    • NCGC00260001-01
    • CAS-111-65-9
    • FO166499
    • LS-13532
    • NS00006444
    • O0022
    • O0118
    • O0151
    • Octane, puriss. p.a., >=99.0% (GC)
    • A10542
    • C01387
    • Q150681
    • F0001-0244
    • EEE64B73-0375-4303-AFD5-0795361807FF
    • InChI=1/C8H18/c1-3-5-7-8-6-4-2/h3-8H2,1-2H
    • Octane, electronic grade, >=99.999% metals basis, >=99% (CP)
    • 203-892-1
    • 31372-91-5
    • 9065-92-3
1 3

Botanical

Name CAS Botanical Proportion
Cassie absolute (blossom) 8023-82-3 Acacia farnesiana (L.) Willd., fam. Mimosaceae (Leguminosae) 0.02%
Celery plant 8015-90-5 Apium graveolens L. var. dulce, fam. Apiaceae (Umbelliferae) 0.1%
Ageratum conyzoides (Ghana) 85480-32-6 Ageratum conyzoides L., fam. Asteraceae (Compositae) 0.01%
Sederitis dichotoma (Turkey) Sideritis dichotoma Huter, fam. Lamiaceae (Labiatae) 0.01%
Guava leaf 2 91770-12-6 Psidium guajava L., fam. Myrtaceae 0.36%
Genet headspace 2 8023-80-1 Spartium junceum L., fam. Leguminosae (Papilionaceae) 0.01%
Machilus bombycina Machilus bombicyna King, fam. Lauraceae 0.2%
Dill herb (Reunion Island) 8006-75-5 Anethum graveolens L., fam. Apiaceae (Umbelliferae) 0.01%
Artemisia verlotiorum (France) Artemisia verlotiorum Lamotte, fam. Asteraceae (Compositae) 0.01%
Mullilam leaf (India) Zanthoxylum rhetsa D.C. syn. Z. limonella (Dennst.) Alston, fam. Rutaceae 0.01%
Carob bean extract 1 9000-40-2 Ceratonia siliqua L., fam. Leguminoseae 2.4%
Turmeric (India) 5b leaf 8024-37-1 Curcuma longa L., cv. Roma (C. domestica Val.), fam. Zingiberaceae 0.6%