octadecanoic acid


octadecanoic acid, stearic acid
Links:🌍 Wikipedia, 📏 NIST, ⚗️ ChemSynthesis, 📖 PubMed
CAS:[57-11-4]
Formula:C18H36O2; 284.48 g/mol
InChiKey:QIQXTHQIDYTFRH-UHFFFAOYSA-N
SMILES:CCCCCCCCCCCCCCCCCC(O)=O
Molecular structure of octadecanoic acid
Density:0.847 g/mL
Molar volume:335.9 mL/mol
Refractive index:1.430
Molecular refractive power:86.75 mL/mol
Dielectric constant:2.29
Melting point:70 °C
Boiling point:370 °C
Antoine equation
P(Torr) vs T(°C)
Vapour pressure vs temperature
Log10 partition octanol / water:8.23
Hansen solubility parameter:δd: 8.0 (cal/ml)^0.5   δp: 1.6 (cal/ml)^0.5   δh: 2.7 (cal/ml)^0.5
1g dissolvs in:
3.99g diethyl ether;    4.20g carbon disulfide;    6.08g trichloromethane;    6.35g toluene;    7.94g pentyl acetate;    8.76g tetrachloromethane;    9.62g 3-methyl-1-butanol;    10.99g ethanol;    12.59g ethyl acetate;    20.16g 2-propanone;    79.37g nitrobenzene;    1,000.00g water;    2,941.18g water

Isomers

1-hexadecyl acetate
Molecular structure of 1-hexadecyl acetate
2-octyldecanoic acid
Molecular structure of 2-octyldecanoic acid
ethyl hexadecanoate
Molecular structure of ethyl hexadecanoate
methyl heptadecanoate
Molecular structure of methyl heptadecanoate
octadecanoic acid
Molecular structure of octadecanoic acid