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Identification

Chemical structure
Display Name:
Naphthenic acids
EC Number:
215-662-8
EC Name:
Naphthenic acids
CAS Number:
1338-24-5
Molecular formula:
For the acidic (naphthenic) fraction: CnH2n+zO2, where n = carbon number and z = homologous group series number: z = 0 when no ring structures are present, z = -2 when 1 ring is present, z = -4 when 2 rings are present etc. For the non-acidic fraction: not applicable
IUPAC Name:
11-(decahydronaphthalen-2-yl)undecanoic acid; 11-cyclopentylundecanoic acid; 15-cyclohexylpentadecanoic acid; 3-(tetradecahydroanthracen-2-yl)propanoic acid; 4-(tetradecahydroanthracen-2-yl)butanoic acid; 7-(tetradecahydroanthracen-2-yl)heptanoic acid; 9-(octahydropentalen-2-yl)nonanoic acid; dodecahydro-1H-phenalene-1-carboxylic acid

Type of Substance

Composition:
UVCB
Origin:
petroleum product

Substance Identifiers open all close all

  • Crude naphthenic acids
  • Purified (distilled) naphthenic acids
  • Compositions

    Boundary Composition(s) open all close all

    State Form:
    liquid


    Constituent 1
    Reference substance name:
    Aromatic content
    IUPAC Name:
    Aromatic content
    Constituent 2
    Reference substance name:
    Acidic fraction, C8-C20, with 0-3 saturated C5 and C6-rings.
    Molecular formula:
    CnH2n+zO2, where n = carbon number and z = homologous group series number: z = 0 (no ring structures), z = -2 (1 ring), z = -4 (2 rings) etc.
    IUPAC Name:
    Acidic fraction, C8-C20, with 0-3 saturated C5 and C6-rings.
    Constituent 3
    Reference substance name:
    The non acidic fraction is composed of an aliphatic and an aromatic fraction, mainly C12-C22 structures.
    Molecular formula:
    not applicable; the non-acidic fraction covers several groups, each with its generic formula.
    IUPAC Name:
    The non acidic fraction is composed of an aliphatic and an aromatic fraction, mainly C12-C22 structures.

    Legal Entity Composition(s) open all close all

    State Form:
    liquid


    Constituent 1
    Reference substance name:
    Acidic fraction, C8-C20, with 0-3 saturated C5 and C6-rings.
    Molecular formula:
    CnH2n+zO2, where n = carbon number and z = homologous group series number: z = 0 (no ring structures), z = -2 (1 ring), z = -4 (2 rings) etc.
    IUPAC Name:
    Acidic fraction, C8-C20, with 0-3 saturated C5 and C6-rings.
    Constituent 2
    Reference substance name:
    Carboxylic acids, C8-C20
    Molecular formula:
    CnH2nO2 with a C range of C8-C20
    IUPAC Name:
    Carboxylic acids, C8-C20
    Constituent 3
    Chemical structure
    Reference substance name:
    Naphthenic acids, C8-C20, 1-ring
    Molecular formula:
    CnH2n-2O2, with a C-range of C8-C20.
    IUPAC Name:
    Naphthenic acids, C8-C20, 1-ring
    Constituent 4
    Reference substance name:
    Naphthenic acids, C8-C20, 2-rings
    Molecular formula:
    CnH2n-4O2, with a C-range of C8-C20.
    IUPAC Name:
    Naphthenic acids, C8-C20, 2-rings
    Constituent 5
    Reference substance name:
    Naphthenic acids, C8-C20, 3-rings
    Molecular formula:
    CnH2n-6O2, with a C-range of C8-C20
    IUPAC Name:
    Naphthenic acids, C8-C20, 3-rings
    Constituent 6
    Reference substance name:
    The non acidic fraction is composed of an aliphatic and an aromatic fraction, mainly C12-C22 structures.
    Molecular formula:
    not applicable; the non-acidic fraction covers several groups, each with its generic formula.
    IUPAC Name:
    The non acidic fraction is composed of an aliphatic and an aromatic fraction, mainly C12-C22 structures.
    Constituent 7
    Reference substance name:
    Aliphatic hydrocarbons, C12-C22
    Molecular formula:
    The aliphatic hydrocarbons,C12-C22 cover several groups, each with its generic formula. One group contains the alikanes without saturated rings. The molecular formula of this group is CnHn+2, with n range 12-22.
    IUPAC Name:
    Aliphatic hydrocarbons, C12-C22
    Constituent 8
    Reference substance name:
    Aromatic hydrocarbons, C12-C22
    Molecular formula:
    not applicable; the aromatic hydrocarbons,C12-C22 cover several groups, each with its generic formula. One example is the group of monoaromatics with a saturated side chain without saturated rings. The molecular formula of this group is CnHn-6, with n range 12-22.
    IUPAC Name:
    Aromatic hydrocarbons, C12-C22
    Constituent 9
    Reference substance name:
    Volatile organic compounds
    Molecular formula:
    not relevant, VOC is a group of substances with various molecular formulae
    IUPAC Name:
    Volatile organic compounds
    Constituent 10
    Reference substance name:
    Polyaromatic Hydrocarbon substances
    Molecular formula:
    not relevant; PAH is a group of substances with various molecular formulae
    IUPAC Name:
    Polyaromatic Hydrocarbon substances
    Constituent 11
    Chemical structure
    Reference substance name:
    Anthracene
    EC Number:
    204-371-1
    EC Name:
    Anthracene
    CAS Number:
    120-12-7
    Molecular formula:
    C14H10
    IUPAC Name:
    anthracene
    State Form:
    liquid


    Constituent 1
    Reference substance name:
    Acidic fraction, C8-C20, with 0-3 saturated C5 and C6-rings.
    Molecular formula:
    CnH2n+zO2, where n = carbon number and z = homologous group series number: z = 0 (no ring structures), z = -2 (1 ring), z = -4 (2 rings) etc.
    IUPAC Name:
    Acidic fraction, C8-C20, with 0-3 saturated C5 and C6-rings.
    Constituent 2
    Reference substance name:
    The non acidic fraction is composed of an aliphatic and an aromatic fraction, mainly C12-C22 structures.
    Molecular formula:
    not applicable; the non-acidic fraction covers several groups, each with its generic formula.
    IUPAC Name:
    The non acidic fraction is composed of an aliphatic and an aromatic fraction, mainly C12-C22 structures.
    Constituent 3
    Reference substance name:
    Aromatic content
    Molecular formula:
    not applicable; the aromatic content covers several groups, each with its generic formula.
    IUPAC Name:
    Aromatic content
    Constituent 4
    Chemical structure
    Reference substance name:
    Water
    EC Number:
    231-791-2
    EC Name:
    Water
    CAS Number:
    7732-18-5
    Molecular formula:
    H2O
    IUPAC Name:
    Water
    State Form:
    liquid


    Constituent 1
    Chemical structure
    Reference substance name:
    Acidic (naphthenic) fraction
    Molecular formula:
    CnH2n+zO2, where n = carbon number and z = homologous group series number: z = 0 when no ring structures are present, z = -2 when 1 ring is present, z = -4 when 2 rings are present etc.
    IUPAC Name:
    Acidic (naphthenic) fraction
    Constituent 2
    Reference substance name:
    Non acidic (unsaponifiable) fraction
    IUPAC Name:
    Non acidic (unsaponifiable) fraction


    Constituent 1
    Reference substance name:
    Acidic (naphthenic) fraction
    Molecular formula:
    CnH2n+zO2, where n = carbon number and z = homologous group series number: z = 0 when no ring structures are present, z = -2 when 1 ring is present, z = -4 when 2 rings are present etc.
    IUPAC Name:
    Acidic (naphthenic) fraction
    Constituent 2
    Reference substance name:
    Non acidic (unsaponifiable) fraction
    Molecular formula:
    Not applicable.
    IUPAC Name:
    Non acidic (unsaponifiable) fraction
    Constituent 3
    Chemical structure
    Reference substance name:
    Water
    EC Number:
    231-791-2
    EC Name:
    Water
    CAS Number:
    7732-18-5
    Molecular formula:
    H2O
    IUPAC Name:
    Water


    Constituent 1
    Chemical structure
    Reference substance name:
    Naphthenic acids
    EC Number:
    215-662-8
    EC Name:
    Naphthenic acids
    CAS Number:
    1338-24-5
    Molecular formula:
    For the acidic (naphthenic) fraction: CnH2n+zO2, where n = carbon number and z = homologous group series number: z = 0 when no ring structures are present, z = -2 when 1 ring is present, z = -4 when 2 rings are present etc. For the non-acidic fraction: not applicable
    IUPAC Name:
    11-(decahydronaphthalen-2-yl)undecanoic acid; 11-cyclopentylundecanoic acid; 15-cyclohexylpentadecanoic acid; 3-(tetradecahydroanthracen-2-yl)propanoic acid; 4-(tetradecahydroanthracen-2-yl)butanoic acid; 7-(tetradecahydroanthracen-2-yl)heptanoic acid; 9-(octahydropentalen-2-yl)nonanoic acid; dodecahydro-1H-phenalene-1-carboxylic acid

    Composition(s) generated upon use

    Other types of composition(s)