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EC number: 267-956-0
CAS number: 67953-76-8
X ray studies showed that there was no
influence of HEDP on morphology and length of bones.
Food consumption and body weight increased
slightly in comparison with the control group.
No treatment related effects were observed
in the following evaluations:
macroscopical and microscopical examinations
blood chemistry (including determination of
magnesium, iron and zinc in serum)
bone marrow smears
organ weight determination
determination of calcium and phosphor in
trachaea and tibia
Table 1 Distribution of ¹⁴C after 2 year exposure to 3.3 ppm ¹⁴C-HEDP
in drinking water
¹⁴C-activity in % overall intake
¹⁴C-activity, relative distribution (%)
5.7 ± 5.4 x 10ˉ³
7.6 ± 1.2 x 10ˉ³
1.3 ± 0.2 x 10ˉ⁵
1.0 ± 0.7 x 10ˉ⁴
4.2 ± 1.2 x 10ˉ⁵
2.6 ± 1.1 x 10ˉ⁴
2.1 ± 0.5 x 10ˉ⁵
4.7 ± 4.7 x 10ˉ⁶
3.1 ± 0.1 x 10ˉ⁵
4.0 ± 1.7 x 10ˉ⁵
2.8 ± 1.9 x 10ˉ⁶
2.2 ± 0.5 x 10ˉ⁵*
6.6 ± 0.9 x 10ˉ⁶
2.3 ± 0.8 x 10ˉ⁵
1.0 ± 0.6 x 10ˉ⁵
5.6 ± 1.9 x 10ˉ⁶
1.7 ± 1.3 x 10ˉ⁵*
Sum without stomach and intestine
8.0 ± 1.1 x 10ˉ³
1.4 ± 0.7 x 10ˉ²
* Tissue weight not known
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