Evaluation of Analytical Chemical Methods for Detection of Estrogens in the Environment
Substance
Structure
Molecular
weight
Water
solubility
(mg/L at
20 °C)
Vapour
pressure
(mm Hg)
Log Kow
Estrone (E1)
O
CH3
O
H
H
H
H
270.4
13
2.3·10-10
3.43
17ß-estradiol
(E2)
CH3
OH
O
H
272.4
13
2.3·10-10
3.94
17α-estradiol
(E2-17 α
)
CH3
OH
O
H
272.4
-
-
4.01
17α-
ethinylestradiol
(EE2)
CH
OH
CH3
O
H
H
H
H
296.4
4.8
4.5·10-11
4.15
Mestranol
(MeEE2)
CH
OH
CH3
O
C
H3
310.4
0.3
7.5·10-10
4.67
Estriol (E3)
OH
CH3
OH
O
H
288.4
13
6.7·10-15
2.81
- Data not available.
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