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Reference substances

Reference substances

Currently viewing:
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

Inventory

EC number:
215-662-8
EC name:
Naphthenic acids
CAS number:
1338-24-5
CAS number:
1338-24-5
Synonyms
Names:
Naphthenic acids
Identifier:
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
Identifier:
IUPAC name
Naphthenic acids
Identifier:
IUPAC name
Naphthenic acids, consisting of an acidic (naphthenic) fraction (70-95%) composed mainly of C8-C20 and 0-3 rings and a non-acidic (petroleum) fraction (5-30%), composed mainly of C12-C22, <10% aromatics, with a boiling range of approximately 160-350°C.
Identifier:
other: 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 Result of high resolution mass spectroscopy of 4 naphthenic acids samples from different suppliers/sources: Ring distribution of aliphatic fraction: Z = 0 15-30% Z = -2 35-50% Z = -4 10-25% Z = -6 1-7% Z = -8 0-2% Z <= -6 1-5% (unsaturated compounds) Z >= -8 0-2% (unsaturated compounds) C<= 18 8-15% (N-containing compounds) C > 18 0-2% (N-containing compounds) Unknown 0-2% Distribution of carbon number (n) of 4 naphthenic acids samples from different suppliers/sources (n):C4-C27 (main: C8-C20)
Identifier:
other: 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, a molecular formula is not relevant.
Identifier:
other: SMILES notation
not applicable
Identifier:
other: InChl
not applicable
Naphthenic acids, consisting of an acidic (naphthenic) fraction (70-95%) composed mainly of C8-C20 and 0-3 rings and a non-acidic (petroleum) fraction (5-30%), composed mainly of C12-C22, <10% aromatics, with a boiling range of approximately 160-350°C.

Molecular and structural information

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
Molecular weight:
ca. 140 - ca. 311
SMILES notation:
CCC1CCC(CCC(=O)O)C1
InChl:
InChI=1/C10H18O2/c1-2-8-3-4-9(7-8)5-6-10(11)12/h8-9H,2-7H2,1H3,(H,11,12)
Structural formula:
Chemical structure

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