Surface Tension

Calculate and reference surface tension values for various fluids. Surface tension is the energy required to stretch a unit change of surface area, defined as σ = Fs / l where σ is surface tension (N/m), Fs is stretching force (N), and l is unit length (m).

Fluid	Surface Tension (N/m)	Temperature/Notes
Water	0.072	20°C
Water, soapy	0.035	20°C (avg 0.025-0.045)
Water-d2, Heavy Water	0.071	20°C
Mercury, Quicksilver	0.485	25°C
Glycerol	0.064	25°C
Hydrazine	0.066	25°C
Ethylene glycol	0.0477	25°C
Diethylene glycol	0.045	25°C
Ethanolamine, glycinol	0.048	25°C
Formamide	0.057	25°C
Aniline, Benzenamine	0.042	25°C
Benzonitrile, Phenyl cyanide	0.039	25°C
Benzylamine	0.039	25°C
Isobenzene, Phenyl iodide	0.039	25°C
Bromine	0.041	25°C
Nitrobenzene	0.041	50°C
Furfural	0.043	25°C
Anisole, Methoxybenzene	0.035	25°C
Bromobenzene	0.035	25°C
p-Cresol	0.035	25°C
Ethyl benzoate	0.035	25°C
Clorobenzene, Phenyl chloride	0.033	25°C
Cyclohexanol	0.033	25°C
Acetic anhydride, Acetyl acetat	0.032	25°C
Carbon disulfide	0.032	25°C
Ethylbenzene, Phenylethane	0.029	25°C
Benzene, Annulene	0.028	25°C
Heptanoic acid, Enanthic acid	0.028	25°C
Toluene, Methylbenzene	0.028	25°C
m-Xylene	0.028	25°C
p-Xylene	0.028	25°C
o-Xylene	0.029	25°C
n-Propyl benzene	0.03	25°C
Acetic acid, Ethanoic acid	0.027	25°C
Carbon tetrachloride	0.027	25°C
Chloroform	0.0271	25°C
Hexadekane, Cetane	0.027	25°C
Hexanenitrile, Capronitrile	0.027	25°C
Cyclohexene	0.026	25°C
1-Chlorohexane, Hexyl chloride	0.026	25°C
1-Hexanol, Caproyl alcohol	0.026	25°C
1-Butanol, Butyl alcohol	0.025	25°C
Allyl alcohol	0.025	25°C
Butyl acetat	0.025	25°C
Diethyl sulfide, Ethyl sulfide	0.025	25°C
Ethyl bromide	0.025	25°C
Ethyl mercaptan	0.024	25°C
Isobutyric acid	0.025	25°C
Methyl acetat	0.025	25°C
Methyl formate	0.025	25°C
Pentyl acetat	0.025	25°C
Undecane, Hendecane	0.025	25°C
Acetaldehyde	0.021	25°C
Acetone, 2-Propanone	0.024	25°C
Bromoethane	0.024	25°C
1-Chloropentane	0.024	25°C
Cyclohexane	0.024	25°C
Decane	0.024	25°C
Dibutylamine	0.024	25°C
Ethyl acetate	0.024	25°C
n-Propyl alcohol	0.024	25°C
Trichloromethane, Chloroform	0.023	25°C
n-Butane	0.023	25°C
Butylamine	0.023	25°C
1-Propanol, Propyl alcohol	0.023	25°C
Isobutyl acetat. 2-Methylpropyl acetat	0.023	25°C
Ethanol, Ethyl Alcohol	0.022	25°C
Isopropanol, 2-propanol	0.022	25°C
Methanol, Methyl alcohol	0.022	25°C
Nonane	0.022	25°C
Cyclopentane	0.022	25°C
Ammonia, R-717	0.021	25°C
Octane	0.021	25°C
n-Heptane	0.02	25°C
Ethylamine, Ethanamine	0.019	25°C
n-Hexane	0.018	25°C
1-Hexene	0.018	25°C
Diethyl ether, Ethyl ether	0.017	25°C
Pentane	0.015	25°C
Chlorodifluoromethane, HCFC-22	0.008	25°C
Dichlorodifluoromethane, CFC-12	0.0086	25°C
Isobutane, 2-Methylpropane	0.01	25°C
Propane, LPG	0.007	25°C
Carbon dioxide	0.00056	25°C
Ethane	0.00048	25°C
Xenon	0.00044	10°C
Trifluormethane, Fluoroform	0.00003	25°C
Acetonitrile, Methyl cyanide	0.287	25°C
Pyridine	0.037	25°C
Formixc acis, Methanoic acid	0.037	25°C
Nitromethane, Nitrocarbol	0.036	25°C