Chemical |
Caprylic acid |
CAS-number : |
124-07-2 |
|
Synonyms : |
n-octoic acid |
n-octylic acid. |
Octanoic acid |
|
Sumformula of the chemical : |
CH3(CH2)6COOH
C8H16O2 |
EINECS-number : |
2046775 |
|
State and appearance : |
Colourless liquid or solid.
|
|
Odor : |
Characteristic, unpleasant, irritating.
In water: Threshold Odour Concentration: detection: 3.0 mg/kg
(Cherkinski 1961).
|
|
Molecular weight : |
144.21 |
|
Spesicif gravity (water=1) : |
0.91 |
at 20/4 °C |
|
Vapor density (air=1) : |
5 |
|
|
Conversion factor, 1 ppm in air=_mg/m3 : |
5.994 |
mg/m3 |
|
Conversion factor, 1 mg/m3 in air=_ppm : |
0.167 |
ppm |
|
Vapor pressure, mmHg : |
1 |
at 92 °C |
|
Water solubility, mg/l : |
2500 |
at 100 °C |
|
Melting point, °C : |
16 |
|
|
Boiling point, °C : |
237 |
|
|
pKa : |
4.89 |
Sangster 1989 |
|
Log octanol/water coefficient, log Pow : |
3.05 |
Sangster 1989 |
|
Effects on physiology of mammals : |
Dog: oral doses: 1 - 5 % in diet causes diarrhea (Patty 1967). |
|
Other information of water organisms : |
Lepomis macrochirus: chemical is too insoluble in water to be
toxic (Dowden 1960).
|
References |
1894 | Cherkinski, W. 1961.
Protection of natural waterbasins against
pollution with industrial wastewater.
Literature on water
supply and pollution control, Book No. 5, U.S.
Department of
Commerce, Office of Technical Service, Washington, D.C.,
TT-61-31601-5. |
354 | Dowden, B.F. 1960.
Cumulative toxicities of certain inorganic
salts to Daphnia magna as determined by median tolerance
limits.
Proc.
La.
Acad.
SCi. 23:77. |
1644 | Patty, F.A. 1967.
Industrial hygiene and toxicology.
Vol 2.
Interscience Publishers. |
3104 | Sangster, J. 1989.
Octanol-water partition coefficients of
simple organic compounds.
J.
Phys.
Chem.
Ref.
Data, Vol 18, No.
3: 1111 - 1229. |
1468 | Verschueren, K. 1983.
Handbook of environmental data of
organic chemicals.
Van Nostrand Reinhold Co.
Inc., New York.
1310 s. |