| Chemical |
Acetophenone |
| CAS-number : |
98-86-2 |
| |
| Synonyms : |
| acetylbenzene |
| asetofenoni |
| hypnone |
| Methylphenylketone |
| phenylmethylketone |
| |
| Sumformula of the chemical : |
| C8H8O |
| EINECS-number : |
| 2027087 |
| |
| Uses : |
Manufacturing source: organic chemical industry: coal
processing industry.
Uses and formulation: perfume manufacturing; solvent for
synthesis of pharmaceuticals, rubber, chemicals, dyestuffs and
corrosion inhibitors; plasticizer manufacturing; tobacco
flavourant; intermediate in synthesis of pharmaceuticals.
Natural sources (water and air): oils of castoreum and labdanum
resin; buds of balsam poplar; heavy oil fraction of coal tar.
Manmade sources: in gasoline exhaust: < 0.1 to 0.4 ppm
|
| |
| State and appearance : |
Colourless liquid.
|
| |
| Odor : |
Sweet almond, pleasant.
Threshold Odour Concentration: 0.01 mg/m3 = 2 ppb
average: 0.17 ppm, range: 0.0039 to 2.02,17 panellists
absolute perception limit: 0.30 ppm
50 % recognition: 0.60 ppm
100 % recognition: 0.60 ppm
Odour index: 2183
USSR: human odour perception: 0.01 mg/m3
human reflex response: no response: 0.003 mg/m3
adverse response: 0.007 mg/m3
animal chronic exposure: adverse effect: 0.07 mg/m3
(Verschueren 1983)
Quality: sweet, almond
Hedonic tone: pleasant
Threshold odour concentration
absolute: 0.30 ppm
50 % recognition: 0.60 ppm
100 % recognition: 0.60 ppm
Odour index 100 % recogniton: 2 183
(Hellman & Small 1974)
|
| |
| Molecular weight : |
120.1 |
| |
| Spesicif gravity (water=1) : |
| 1.03 |
at 20/4 °C |
| |
| Vapor density (air=1) : |
| 4.14 |
|
| |
| Conversion factor, 1 ppm in air=_mg/m3 : |
| 4.99 |
mg/m3 |
| |
| Conversion factor, 1 mg/m3 in air=_ppm : |
| 0.2 |
ppm |
| |
| Vapor pressure, mmHg : |
| 1 |
15 °C |
| |
| Water solubility, mg/l : |
| 5500 |
|
| |
| Melting point, °C : |
| 19 |
|
| |
| Boiling point, °C : |
| 202 |
|
| |
| Log octanol/water coefficient, log Pow : |
| 1.58 |
|
| 1.73 |
ANON 1986 |
| 1.59 |
Schwarzenbach & Westall 1981 |
| 1.63 |
Sangster 1989 |
| |
| Log organic C/water coefficient, log Pcw : |
| 1.63 |
exptl, Schwarzenbach & Westall 1981 |
| 1.63 |
calcd, Schwarzenbach & Westall 1981 |
| |
| Log soil sorption coefficient, log Kom : |
| 1.63 |
Sabljic 1987 |
| |
| Total degradation in water : |
Biodegradation:
64.7% by BOD
period: 14d
substance: 100 mg/l
sludge: 30 mg/l
(MITI 1992)
|
| |
| Ready biodegradability : |
Confirmed to be biodegradable (Anon. 1987). |
| |
| EC50 values to microorganism, mg/l : |
| 1922 |
Biodegradation inhibition, |
| |
Vaishnav 1986 |
| |
| LC50 values to fishes, mg/l : |
| 155 |
96hr,Pimephales promelas,Verschueren |
| |
1983 |
| 236 |
srv,act,96hr,Pimephales promelas, |
| |
Broderius & Kahl 1985 |
| |
-- |
| 162 |
96 hr, Pimephalos promelas, Brooke et al. 1984 |
| |
| EC50 values to fishes, mg/l : |
| 162 |
96 hr, mbt, Pimephalos promelas, Brooke et al. 1984 |
| |
| Other information of water organisms : |
Taste in fish: 0.5 mg/l (Verschueren 1983).
|
References |
| 1848 | Anon. 1987a.
The list of the existing chemical substances tested
on biodegradability by microorganisms or bioaccumulation in
fish body by Chemicals Inspection & Testing Institute.
Ministry
of International Trade and Industry, MITI.
Japan. |
| 2283 | Anon.1986a.
Evaluation of the OECD laboratory intercomparison
testing on the determination of the partition coefficient
n-octanol-water by reverse phase HPLC.
Report.
Fraunhofer-Institut für Umweltchemie und Ökotoxikologie. |
| 3295 | Brooke, L.
T. et al. 1984.
Acute toxicities of organic
chemicals to fathead minnows (Pimephales promelas); Vol 1.
Center for Lake Superior Environmental Studies University of
Wisconsin-Superior, Superior, Wisconsin, U.S.A.
|
| 1673 | Hellman, T.M. & Small, F.H. 1974.
Characterization of the odour
properties of 101 petrochemicals using sensory methods.
J.
Air
Pollut.
Control Assoc. 24: 979 - 982. |
| 3105 | MITI 1992.
Biodegradation and bioaccumulation data of existing
chemicals based on the CSCL Japan.
Compild under the Safety
Division Basic Industries Bureau Ministry of International
Trade & Industry, Japan.
Edited by Chemicals Inspection &
Testing Institute, Japan.
|
| 2324 | Sabljic, A. 1987.
On the prediction of soil sorption
coefficients of organic pollutants from molecular structure:
application of molecular topology model.
Environ.
Sci.
Technol.
21: 358 - 366. |
| 3104 | Sangster, J. 1989.
Octanol-water partition coefficients of
simple organic compounds.
J.
Phys.
Chem.
Ref.
Data, Vol 18, No.
3: 1111 - 1229. |
| 2435 | Schwarzenbach, R.
P. and Westall J. 1981.
Transport of nonpolar
organic compounds from surface water to groundwater.
Laboratory
sorption studies.
Environmental Science & Technology 15(11):
1360 - 1367. |
| 2416 | Vaishnav, D.
D. 1986.
Chemical structure-biodegradation
inhibition and fish acute toxicity relationships for narcotic
industri chemicals.
Toxicity Assessment 1: 227. |
| 1468 | Verschueren, K. 1983.
Handbook of environmental data of
organic chemicals.
Van Nostrand Reinhold Co.
Inc., New York.
1310 s. |
| 2413 | Walker, J.
D. 1987.
Effects of chemicals on microorganisms.
Journal WPCF 59 (6): 614 - 625. |
