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 />
concentration<br />
[mg/L]<br />
--------------------- --------------<br />
control 126<br />
25.0 135<br />
50.0 125<br />
100 0**<br />
--------------------- --------------<br />
**:Significantly different from Control at p less than 0.01<br />
RESULTS: TEST WITH REFERENCE SUBSTANCE- Results: K2Cr2O7<br />
pure grade: 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: Chlorella vulgaris, 0.1 - 0.2 mgC/day/individual<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 hydrolysed after 21 days.<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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