| Chemical |
Ethyleneglycol monoethylether |
| CAS-number : |
110-80-5 |
| |
| Synonyms : |
| 2-Ethoxyethanol |
| 2-Etoksietaani |
| Etyleeniglykolimonoetyylieetteri |
| Etyyliglykoli |
| Glykomonoetyylieetteri |
| Sellosolvi. |
| |
| Sumformula of the chemical : |
| C4H10O2
|
| EINECS-number : |
| 2038041 |
| |
| Uses : |
Solvent for nitrocellulose, natural and syntethetic resins;
mutual for formulation of soluble oils; lacquers and lacquer
thinners, dyeing and printing textiles, varnish removers,
cleaning solutions, leather, anti-icing additive for aviation
fuels.
|
| |
| State and appearance : |
Colorless liquid.
|
| |
| Odor : |
Practically odorless.
|
| |
| Spesicif gravity (water=1) : |
| 0.9311 |
|
| |
| Melting point, °C : |
| -70 |
MITI 1992 |
| |
| Boiling point, °C : |
| 135.6 |
|
| 135 |
MITI 1992 |
| |
| Flashing point, °C : |
| 48.9 |
|
| |
| Volatilization : |
Relative volatility (nBuAc=1) = 0.38
|
| |
| Other physicochemical properties : |
Miscible with hydrocarbons, water, autoign temperature 237 °C.
Combustible.
|
| |
| Photochemical degradation in air : |
Photooxidation half-life in air:
2.23hr - 5.35hr, based upon measured rate constant for reaction
with hydroxyl radical in air (Howard 1991).
|
| |
| Photochemical degradation in water : |
Photooxidation half-life in water:
44yr - 1.1yr, based upon measured rate constant for reaction
with hyrdoxyl radical in water (Howard 1991).
|
| |
| Chemical oxygen demand, g O2/g : |
| 1.92 |
5 days, Bridie et al. 1979 |
| |
| Biochemical oxygen demand, g O2/g : |
| 1.03 |
5 days, Bridie et al. 1979 |
| |
| Half-life in air, days : |
| 2.23 |
53.5hr - 5.35hr, |
| 0.22 |
based upon photoxidation half-life in air. |
| |
Howard 1991 |
| |
| Half-life in soil, days : |
| 28 |
4we - 7d, |
| 7 |
scientific judgement baed upon estimated unacclimated aqueous aerobic biodegradation half-life. |
| |
Howard 1991 |
| |
| Half-life in water, days : |
| 28 |
4we - 7d, |
| 7 |
in surface water, scientific judgement upon estimated unacclimated aqueous aerobic biodegradation half-life. |
| 56 |
8we - 14d, |
| 14 |
in ground water, scientific judgement based upon estimated unacclimated aqueous aerobic biodegradation half-life. |
| |
Howard 1991 |
| |
| Aerobic degradation in water : |
Aerobic half-life:
4we - 7d, scientific judgement based upon estimated
unacclimated aqueous aerobic biodegradation screening test
data (Howard 1991).
|
| |
| Anaerobic degradation in water : |
Anaerobic half-life:
16we - 28d, scientific judgement based upon estimated
unacclimated aqueous aerobic biodegradation half-life (Howard
1991).
|
| |
| Total degradation in water : |
Biodegradation:
63-83% by BOD
period: 14d
substance: 100 mg/l
sludge: 30 mg/l
(MITI 1992)
|
| |
| Ready biodegradability : |
Confirmed to be biodegradable (Anon. 1987). |
| |
| LD50 values to mammals in oral exposure, mg/kg : |
| 3000 |
orl-rat |
| |
| LC50 values to fishes, mg/l : |
| 10000 |
> 10000, 96hr, Lepomis macrochirus |
| |
Menidia audens |
| |
Dawson et al. 1977 |
| |
-- |
| 5000 |
> 5000, 24hr, Carassius auratus |
| |
Bridie et al. 1979 |
| |
-- |
| 16400 |
7d, Poelicia reticulata, Könemann 1979 |
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. |
| 182 | Bridie, A.L. et al. 1979.
The acute toxicity of some
petrochemicals to goldfish.
Water Res. 13: 623. |
| 1680 | Bridie, A.L., Wolff, C.J.M. & Winter, M. 1979.
BOD and COD of
some petrochemicals.
Water Res. 13: 627 - 630. |
| 327 | Dawson, 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. |
| 3120 | Howard, 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.
|
| 761 | Könemann, W.H. 1979.
Quantitative structure-activity
relationships for kinetics and toxicity of aquatic pollutants and
their mixtures in fish.
Univ.
Utrecht, Netherlands. |
| 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.
|
