Names | |
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Preferred IUPAC name
Tridecanoic acid | |
Other names
C13:0 (Lipid numbers)
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Identifiers | |
3D model (JSmol)
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ChEMBL | |
ChemSpider | |
ECHA InfoCard | 100.010.311 |
EC Number |
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PubChem CID
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RTECS number |
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UNII | |
CompTox Dashboard (EPA)
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Properties | |
C13H26O2 | |
Molar mass | 214.349 g·mol−1 |
Appearance | White crystals or powder |
Odor | Waxy-type |
Density | 0.983 g/cm3 (37 °C)[1] 0.8458 g/cm3 (80 °C)[2] |
Melting point | 41.5 °C (106.7 °F; 314.6 K)[2] |
Boiling point | 236 °C (457 °F; 509 K) at 100 mmHg 140 °C (284 °F; 413 K) at 1 mmHg[2] |
21 mg/L (0 °C) 33 mg/L (20 °C) 38 mg/L (30 °C) 53 mg/L (60 °C)[3] | |
Solubility | Soluble in alcohol, ether, CH3COOH[2] |
Solubility in acetone | 7.52 g/100 g (0 °C) 78.6 g/100 g (20 °C) 316 g/100 g (30 °C) 8.23 kg/100 g (40 °C)[3] |
Solubility in methanol | 12.6 g/100 g (0 °C) 148 g/100 g (20 °C) 515 g/100 g (30 °C)[3] |
Solubility in benzene | 42.4 g/100 g (10 °C) 117 g/100 g (20 °C) 354 g/100 g (30 °C)[3] |
Solubility in ethyl acetate | 10.1 g/100 g (0 °C) 70 g/100 g (20 °C) 281 g/100 g (30 °C)[3] |
Vapor pressure | 0.01 kPa (109 °C) 0.47 kPa (160 °C) 3.21 kPa (200 °C)[4] 100 kPa (311.5 °C)[2] |
Refractive index (nD)
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1.4286 (50 °C)[2] |
Viscosity | 0.583 cP (120 °C) 0.3991 cP (160 °C) 0.2934 cP (200 °C)[5] |
Structure | |
Monoclinic (37 °C)[1] | |
C2/c[1] | |
a = 59.88 Å, b = 4.9425 Å, c = 9.8118 Å[1] α = 90°, β = 93.8°, γ = 90°
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Thermochemistry | |
Heat capacity (C)
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387.6 J/mol·K[4] |
Std enthalpy of
formation (ΔfH⦵298) |
−807.2 kJ/mol (liquid)[4] |
Std enthalpy of
combustion (ΔcH⦵298) |
8024.2 kJ/mol (liquid)[4] |
Hazards | |
Occupational safety and health (OHS/OSH): | |
Main hazards
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Irritant |
GHS labelling: | |
[6] | |
Warning | |
H315, H319, H335[6] | |
P261, P305+P351+P338[6] | |
NFPA 704 (fire diamond) | |
Flash point | 113 °C (235 °F; 386 K)[6] |
Lethal dose or concentration (LD, LC): | |
LD50 (median dose)
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130 mg/kg (mice, intravenous)[7] |
Related compounds | |
Related compounds
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Dodecanoic acid, Tetradecanoic acid |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Tridecylic acid, or tridecanoic acid, is the organic compound with the formula CH3(CH2)11CO2H. It is a 13-carbon saturated fatty acid. It is a white solid.
A laboratory preparation involves permanganate oxidation of 1-tetradecene (CH3(CH2)12CH=CH2).[8]