Cyanoguanidine CAS N°: 461-58-5
Cyanoguanidine CAS N°: 461-58-5
Cyanoguanidine CAS N°: 461-58-5
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OECD SIDS<br />
CYANOGUANIDINE<br />
4. ECOTOXICITY ID: <strong>461</strong>-<strong>58</strong>-5<br />
DATE: 25.02.2004<br />
(106) (106)<br />
------------------ ------------------------ ------------------------------------<br />
- Effect data (Immobilization):<br />
24 hr EiC50 > 1000 mg/L<br />
48 hr EiC50 > 1000 mg/L<br />
48 hr NOECi >= 1000 mg/L<br />
- Cumulative immobilisation:<br />
------------------ ------------------------ ------------------------------------<br />
Nominal<br />
Cumulative numbers of immobilized Daphniad<br />
concentration (% immobility)<br />
[mg/L] 24-hour 48-hour<br />
------------------ ------------------------ ------------------------------------<br />
Control 0 0<br />
(0) (0)<br />
------------------ ------------------------ ------------------------------------<br />
25 0 0 0<br />
(0) (0)<br />
------------------ ------------------------ ------------------------------------<br />
500 0 0<br />
(0) (0)<br />
------------------ ------------------------ ------------------------------------<br />
1000 0 0<br />
(0) (0)<br />
------------------ ------------------------ ------------------------------------<br />
RESULTS: TEST WITH REFERENCE SUBSTANCE<br />
- Reference substance: pure K2Cr2O7<br />
- Results: 48 hr EiC50 = 0.141 mg/L<br />
Test condition : TEST ORGANISMS<br />
- Source/supplier: Sheffield University (United Kingdom)<br />
- Age: juveniles less than 24 hr old<br />
- Feeding: Chlorella vulgaris, 0.1 - 0.2 mgC/day/individual<br />
- Pretreatment: 2 - 4 week<br />
- Feeding during test: none<br />
STOCK AND TEST SOLUTION AND THEIR PREPARATION<br />
- Vehicle, solvent: No solvent was used.<br />
STABILITY OF THE TEST CHEMICAL SOLUTIONS:<br />
<strong>Cyanoguanidine</strong> was stable, and not hydrolyzed after 48 hrs.<br />
REFERENCE SUBSTANCE: pure K2Cr2O7<br />
DILUTION WATER<br />
- Source: dechlorinated tap water<br />
- Aeration: aerated sufficiently<br />
- Alkalinity: 29.0 mg/L<br />
- Hardness: 40.5 mg/L as CaCO3<br />
- Residual chlorine: less than 0.02 mg/L as Cl<br />
- COD:
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