SODIUM CARBONATE CAS N°: 497-19-8 - UNEP Chemicals
SODIUM CARBONATE CAS N°: 497-19-8 - UNEP Chemicals
SODIUM CARBONATE CAS N°: 497-19-8 - UNEP Chemicals
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OECD SIDS <strong>SODIUM</strong> <strong>CARBONATE</strong><br />
4. ECOTOXICITY Id <strong>497</strong>-<strong>19</strong>-8<br />
Date <strong>19</strong>.02.2003<br />
- Dosing rate: Not reported.<br />
- Exposure vessel type: 5 gallon glass jars with cork stoppers immersed in a<br />
constant temperature water bath.<br />
- Number of replicates, fish per replicate: 5 to 10 fish in each jar, depending<br />
on fish size.<br />
- Test temperature: <strong>19</strong>-21 C<br />
- Dissolved oxygen: 5-9 ppm<br />
- pH: measured but not further described.<br />
- Adjustment of pH: Not reported.<br />
- Intensity of irradiation: Not reported.<br />
- Photoperiod: Not reported.<br />
DURATION OF THE TEST: 96 hr.<br />
TEST PARAMETER: Death = cessation of gill movement and lack of<br />
response to a mechanical stimulus for a period of 5 minutes.<br />
SAMPLING: Not reported.<br />
MONITORING OF TEST SUBSTANCE CONCENTRATION: Not reported.<br />
Test substance : SOURCE: Baker analyzed<br />
PURITY: "Chemically pure".<br />
IMPURITY/ADDITIVE/ETC.: Not reported.<br />
ANY OTHER INFORMATION: Not reported.<br />
Reliability : (2) valid with restrictions<br />
Well documented publication. However results of all test concentrations not<br />
given and no analysis of test solutions.<br />
14.02.2003 (3)<br />
Type : static<br />
Species : Gambusia affinis (Fish, fresh water)<br />
Exposure period : 96 hour(s)<br />
Unit : mg/l<br />
NOEC : = 550<br />
LC50 : = 740<br />
Limit test : no<br />
Analytical monitoring : no data<br />
Method : other: Recommendations of Committee on Research were followed<br />
(Doudoroff et al., <strong>19</strong>51)<br />
Year : <strong>19</strong>57<br />
GLP : no<br />
Test substance : other TS: sodium carbonate<br />
Method : METHOD FOLLOWED: A 96 hr median tolerance limit test with female fish<br />
(N=10). The experiments were continued for at least 96 hours with checks<br />
made of the 24, 48, 72 and 96 hour survivors.<br />
GLP: No<br />
STATISTICAL METHODS: None<br />
METHOD OF CALCULATION: Plotting of survival against concentration of<br />
sodium carbonate on logarithmic paper<br />
ANALYTICAL METHODS: Not reported.<br />
Result : RESULTS: EXPOSED<br />
- Nominal/measured concentrations: No measured concentrations reported.<br />
- Effect data (Mortality): LC50 24hr=1200 mg/l. LC50 48hr=840 mg/l.<br />
- Concentration / response curve: Not reported, but a median tolerance limit<br />
was plotted on logarithmic paper (not shown in report).<br />
- Effect concentration vs. test substance solubility: Not reported.<br />
- Other effects: At 560 mg/l and below all fishes were normal for 96 hr. At<br />
1000 mg/l 3 were dead in 24 hr, 4 others at 48 hr, 2 others at 96 hr. The<br />
one remaining was in poor condition at the end of the test.<br />
RESULTS: CONTROL<br />
- Number/percentage of animals showing adverse effects: A control<br />
aquarium was always maintained with 10 fishes. Nothing furth er reported.<br />
RESULTS: TEST WITH REFERENCE SUBSTANCE<br />
- Not reported.<br />
<strong>UNEP</strong> Publications 39
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