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Data bank of environmental chemicals     |     The Finnish Environment Institute (SYKE)
 


19.4.2024

Data bank of environmental properties of chemicals


Chemical
Isopropanol
CAS-number :
67-63-0
 
Synonyms :
2-propanol
2-propanoli
dimethylcarbinol
Isopropanoli
isopropyl alcoho
propan-2-ol
sec-propyl alcohol
 
Sumformula of the chemical :
C3H8O
EINECS-number :
2006617
 
Uses :
Solvent.
 
Odor :
Quality: sharp, musty
Hedonic tone: unpleasant
Threshold odour concentration
absolute: 3.20 ppm
50 % recognition: 7.50 ppm
100 % recognition: 28.2 ppm
Odour index 100 % recognition: 1 539
(Hellman & Small 1974)
 
Molecular weight :
60.11
 
Conversion factor, 1 ppm in air=_mg/m3 :
2.5  mg/m3, Verschueren 1983
 
Conversion factor, 1 mg/m3 in air=_ppm :
0.408  ppm, Verschueren 1983
 
Boiling point, °C :
82.5 
 
Log octanol/water coefficient, log Pow :
0.05  Sangster 1989
 
Henry's law constant, Pa x m3/mol :
1.131  calc. Yaws et al. 1991
 
Volatilization :
Relative volatility (nBuAc=1) = 2.30
 
Photochemical degradation in air :
Photooxidation half-life in air:
6.2hr - 72hr,
based upon measured rates for reaction with hydroxyl radicals  in
air (Howard 1991).
 
Photochemical degradation in water :
Photooxidation half-life in water:
197d - 22yr,
based upon measured rates for reaction with hydroxyl radicals  in
water (Howard 1991)
 
Chemical oxygen demand, g O2/g :
2.23  5 days, Bridie et al. 1979
 
Biochemical oxygen demand, g O2/g :
1.19  5 days, Bridie et al. 1979
 
Half-life in air, days :
0.26  6.2hr - 73hr,
based upon photooxidation half-life in air,
  Howard 1991
 
Half-life in soil, days :
24hr - 168hr,
scientific judgement based upon estimated
  unacclimated aerobic aqueous biodegradation
  half-life,
  Howard 1991
 
Half-life in water, days :
24hr - 168hr,
in surface water, scientific judgement based upon
  estimated unacclimated aerobic aqueous
  biodegradation half-life,
48hr - 336hr,
14  in ground water, scientific judgement based upon
  estimated unacclimated aerobic aqueous
  biodegradation half-life,
  Howard 1991
 
Aerobic degradation in water :
Aerobic half-life:
24hr - 168hr,
scientific judgement based upon unacclimated aerobic aqueous 
screening test data (Howard 1991)
 
Anaerobic degradation in water :
Anaerobic half-life:
96hr - 672hr,
scientific judgement based upon estimated aqueous aerobic 
biodegradation half-life and unacclimated anaerobic aqueous 
screening test data (Howard 1991)
 
LD50 values to mammals in oral exposure, mg/kg :
4797  orl-dog
3600  orl-mus
5045  orl-rat
  Sweet 1987
 
LD50 values to mammals in non-oral exposure , mg/kg :
2560  ipr-gpg
3444  ipr-hms
4477  ipr-mus
2735  ipr-rat
667  ipr-rbt
1509  ivn-mus
1088  ivn-rat
1184  ivn-rbt
12800  skn-rbt
  Sweet 1987
 
LDLo values to mammals in oral exposure, mg/kg :
3570  orl-hmn, Sweet 1987
 
LDLo values to mammals in non-oral exposure , mg/kg :
1963  ivn-cat
5120  ivn-dog
scu-mam
6000  scu-mus
  Sweet 1987
 
LCLo values to mammals in inhalation exposure, ppm :
12800  ihl-mus, 3hr
12000  ihl-rat, 8hr
  Sweet 1987
 
TDLo values to mammals in oral exposure, mg/kg :
11340  orl-rat, 45d preg.
  maternal effects
5040  orl-rat, 1-20d preg.
  effects on fertility
20160  orl-rat, 1-20d preg.
  effects on fertility
6480  orl-rat, effects on newborn
223  orl-hmn
14432  orl-man
  Sweet 1987
 
Effects on microorganisms :
Toxicity threshold (cell multiplication inhibition test):
bacteria (Pseudomonas putida): 1050 mg/l
(Bringmann & Kühn 1980a)
 
EC50 values to microorganism, mg/l :
30897  Biodegradation inhibition,
  Vaishnav 1986
 
LOEC values to algae, mg/l :
1000  rpd,schr, Microcystis aeruginosa,
  Bringmann & Kühn 1976
 
LC50 values to fishes, mg/l :
7060  7 d, Poelicia reticulata,
  Könemann 1979
  --
10400  96 hr, Pimephales promelas,
  Veith et al. 1983
  --
5000  > 5000, 24 hr, Carassius auratus
  Bridie et al. 1982
  --
9640  96 hr, Pimephales promelas
10400  96 hr, Pimephales promelas
6550  96 hr, Pimephales promelas, Brooke et al. 1984
 
EC50 values to fishes, mg/l :
9540  96 hr, mbt, Pimephales promelas
9490  96 hr, mbt, Pimephales promelas
6120  96 hr, mbt, Pimephales promelas, Brooke et al. 1984
 
Other information of water organisms :
Toxicity threshold (cell multiplication inhibition test):
green algae (Scenedesmus quadricauda): 1800 mg/l
protozoa (Entosiphon sulcatum): 4930 mg/l
(Bringmann & Kühn 1980a)

References
182Bridie, A.L. et al. 1979. The acute toxicity of some petrochemicals to goldfish. Water Res. 13: 623.
1680Bridie, A.L., Wolff, C.J.M. & Winter, M. 1979. BOD and COD of some petrochemicals. Water Res. 13: 627 - 630.
187Bringmann, G. & Kühn, R. 1976. Vergleichende Befunde der Schadwirkung wassergefährdender Stoffe gegen Bakterien (Pseudomonas putida) und Blaualgen (Microcystis aeruginosa). Gwf-Wasser-Abwasser 117(9).
188Bringmann, G. & Kühn, R. 1980a. Comparison of the toxicity thresholds of water pollutants to bacteria, algae and protozoa in the cell multiplication inhibition test. Water Res. 14: 231 - 241.
3295Brooke, 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.
1673Hellman, 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.
3120Howard, P.H., Boethling, R.S., Jarvis, W.F., Meylan, W.M. & Michalenko, E.M., Handbook of Environmental Degradation Rates, 1991. Lewis Publicers, Inc., Chelsea, Michigan, U.S.A., pp. 725.
761Könemann, W.H. 1979. Quantitative structure-activity relationships for kinetics and toxicity of aquatic pollutants and their mixtures in fish. Univ. Utrecht, Netherlands.
3104Sangster, J. 1989. Octanol-water partition coefficients of simple organic compounds. J. Phys. Chem. Ref. Data, Vol 18, No. 3: 1111 - 1229.
2101Sweet, D. 1987. Registry of toxic effects of chemical substances 1985 - 1986 edition. U.S. Department of health and human services.
2416Vaishnav, D. D. 1986. Chemical structure-biodegradation inhibition and fish acute toxicity relationships for narcotic industri chemicals. Toxicity Assessment 1: 227.
1456Veith, G.D. et al. 1983. Estimating the acute toxicity of narcotic industrial chemicals to fathead minnows. In: Aquatic toxicology and hazard assessment: sixth symposium. ASTM STP 803. Bishop, W.E. et al. (eds.). Am. Soc. Test. Mater, Philadelphia, Pa, 90.
1468Verschueren, K. 1983. Handbook of environmental data of organic chemicals. Van Nostrand Reinhold Co. Inc., New York. 1310 s.
2413Walker, J. D. 1987. Effects of chemicals on microorganisms. Journal WPCF 59 (6): 614 - 625.
3030Yaws, C., Yang, H-C. & Pan, X. 1991. Henry's law constants for 362 organic compounds in water. Chemical Engineering. November. p 179 - 185.

 
 
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