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EC number: 205-597-3
CAS number: 143-28-2
INPUT DATA USED:
Molecular weight 268.5
Data temperature 25 deg C
Log Kow 7.07
Water Solubility 0.0077 mg/l
Vapour pressure 0.00198 Pa
Melting point 17 deg C
half life in air 4.8 h
half life in water and soil 720 h
The % environmental distribution calculated from the above parameters using the MacKay level 1 model is as follows:
The Level III program has also been used, with the default
model, using the same input parameters.The distribution between compartments obtained is as follows:
Release: To air To water To soil
% in air 8.01 0.000579 9.86E-06
% in water 1.17 2.65 0.0105
% in sediment 42.9 97.3 0.383
% in soil 47.9 0.00347 99.6
The results reflect that the ultimate fate of 9Z-octadecen-1-ol is dependent on its route of release into the environment. 9Z-octadecen-1-ol released to air would partially precipitate to soil and water. There is relatively little movement between soil and water, because transfer via the air compartment is very slow, for a substance of low volatility.In water, the adsorption coefficient of 9Z-octadecen-1-ol results in significant adsorption to sediment.
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