Registration Dossier
Registration Dossier
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EC number: 268-006-8 | CAS number: 67989-22-4 This substance is identified in the Colour Index by Colour Index Constitution Number, C.I. 42535, molybdatephosphate salt.
Ecotoxicological Summary
Administrative data
Hazard for aquatic organisms
Freshwater
- Hazard assessment conclusion:
- PNEC aqua (freshwater)
- PNEC value:
- 5.6 µg/L
- Assessment factor:
- 100
- Extrapolation method:
- assessment factor
Marine water
- Hazard assessment conclusion:
- PNEC aqua (marine water)
- PNEC value:
- 0.56 µg/L
- Assessment factor:
- 1 000
- Extrapolation method:
- assessment factor
STP
- Hazard assessment conclusion:
- no emission to STP expected
Sediment (freshwater)
- Hazard assessment conclusion:
- no exposure of sediment expected
Sediment (marine water)
- Hazard assessment conclusion:
- no exposure of sediment expected
Hazard for air
Air
- Hazard assessment conclusion:
- no hazard identified
Hazard for terrestrial organisms
Soil
- Hazard assessment conclusion:
- no exposure of soil expected
Hazard for predators
Secondary poisoning
- Hazard assessment conclusion:
- insufficient hazard data available (further information necessary)
Additional information
Conclusion on classification
With respect to acute toxicity it is noted that the one out of two available acute Daphnia Magna
immobilisation studies indicated significant toxicity to aquatic invertebrates (EC50<0.01 mg/L). However
the other study in Daphnia indicated no significant toxicity (EC50>100 mg/L). Furthermore in
a long term Daphnia Magna reproduction test no immobilisation was seen at 1 mg/L over 21 days. The
Daphnia Magna reproduction test is considered as most reliable of the available studies on the basis
that this study indicated low potential for immobilisation. It is concluded that the substance presents little
concern for acute toxicity in aquatic species. Therefore the substance will not be classified for acute
aquatic toxicity. Based on result from Daphnia Magna reproduction study (OECD 211) and as noted in
the Aquatic toxicity endpoint summary the NOEL for long term exposure in aquatic invertebrates was
0.56 mg/L and this was found the most sensitive species. In accordance with Annex I Table 4.1.0 (b) (i)
of the CLP Regulation a classification of Chronic Cat 2 will be applied.
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