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


29.3.2024

Data bank of environmental properties of chemicals


Chemical
Ethyleneglycol monomethylether
CAS-number :
109-86-4
 
Synonyms :
2-methoxyethanol.
2-metoksietanoli
Etyleeniglykolimonometyylieetteri
methylcellusolve
metyyliglykoli
 
Sumformula of the chemical :
C3H8O2
EINECS-number :
2037137
 
Uses :
Solvent for nitrocellulose, cellulose acetate, alcohol-soluble
dyes, natural and synthetic resins, solvent mixtures, lacquers,
enamels, varnishes, leather, perfume fixtive, wood stains,
sealing moisture-proof cellophane, jet fuel deicing additive.
 
State and appearance :
Colorless liquid, stable.
 
Odor :
Mild agreeable odor.
 
Spesicif gravity (water=1) :
0.9663 
 
Water solubility, mg/l :
  Infinite
100000  >100000, MITI 1992
 
Melting point, °C :
-10  <-10, MITI 1992
 
Boiling point, °C :
125 
122  122-126, MITI 1992
 
Flashing point, °C :
43.3 
 
Volatilization :
Relative volatility (nBuAc=1) = 0.70
 
Other physicochemical properties :
Miscible with hydrocarbons, alcohols, ketones, glycols and
water. 
Autoign temperature 288 °C. 
Combustible.
 
Photochemical degradation in air :
Photooxidation half-life:
57hr - 5.7hr, scientific judgement based upon estimated rate
constant for reaction with hydroxyl radicals in air (Howard 
1991).
 
Photochemical degradation in water :
Photooxidation in water:
54yr - 308d, based upon measure rate constants for reaction 
with hydroxyl radicals in water (Howard 1991). 
 
Chemical oxygen demand, g O2/g :
1.69  5 days, Bridie et al. 1979
 
Biochemical oxygen demand, g O2/g :
0.12  5 days, Bridie et al. 1979
 
Half-life in air, days :
2.4  57hr - 5.7hr,
0.24  scientific judgement upon estimated rate constant for reaction with hydroxyl radicals in air.
  Howard 1991
 
Half-life in soil, days :
28  4we - 7d,
scientific judgement based upon estimated unacclimated aqueous aerobic biodegradationhalf-life.
  Howard 1991
 
Half-life in water, days :
28  4we - 7d,
in surface water: scientific judgement based upon estimated unacclimated aqueous aerobic biodegradation half-life.
56  8we - 14d,
14  scientific judgement based estimated unacclimated aqueous aerobic biodegradation half-life.
  Howard 1991
 
Aerobic degradation in water :
Aerobic half-life:
4we - 7d, scientific judgement based upon unacclimated aerobic 
aqueous screening test data (Howard 1991).
 
Anaerobic degradation in water :
Anaerobic half-life:
16we - 4we, scientific judgement based upon estimated
unacclimated aqueous aerobic biodegradation half-life (Howard 
1991).
 
Total degradation in water :
Biodegradation:
73-94% by BOD
period: 14d
substance: 100 mg/l
sludge: 30 mg/l
(MITI 1992)
 
LD50 values to mammals in oral exposure, mg/kg :
2140 
 
LOEC values to algae, mg/l :
100  rpd, schr, Microcystis aeruginosa
  Bringmann & Kühn 1976
 
LC50 values to fishes, mg/l :
10000  > 10000, 96hr, Lepomis macrochirus
  Menidia audens
  Dawson et al. 1977
  --
15520  96hr, Salmo gairdneri, Verschueren 1983
  --
17400  7d, Poelicia reticulata, Könemann 1979
  --
5000  > 5000, 24hr, Carassius auratus
  Bridie et al. 1979

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).
327Dawson, G.W., Jennings, A.L., Drozdowski, D. & Rider, E. 1977a. The acute toxicity of 47 industrial chemicals to fresh and saltwater fishes. J. Hazardous Materials 1 (1975/77): 303 - 318.
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.
3105MITI 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.
1468Verschueren, K. 1983. Handbook of environmental data of organic chemicals. Van Nostrand Reinhold Co. Inc., New York. 1310 s.

 
 
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