Registration Dossier
Registration Dossier
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EC number: 249-828-6 | CAS number: 29761-21-5
Ecotoxicological Summary
Administrative data
Hazard for aquatic organisms
Freshwater
- Hazard assessment conclusion:
- no hazard identified
Marine water
- Hazard assessment conclusion:
- no hazard identified
STP
- Hazard assessment conclusion:
- no data: aquatic toxicity unlikely
Sediment (freshwater)
- Hazard assessment conclusion:
- no hazard identified
Sediment (marine water)
- Hazard assessment conclusion:
- no hazard identified
Hazard for air
Air
- Hazard assessment conclusion:
- no hazard identified
Hazard for terrestrial organisms
Soil
- Hazard assessment conclusion:
- no hazard identified
Hazard for predators
Secondary poisoning
- Hazard assessment conclusion:
- no potential to cause toxic effects if accumulated (in higher organisms) via the food chain
Additional information
Conclusion on classification
The short-term LC50 or EC50 values are 0.15, 0.042 and >0.1 mg/l, for fish, aquatic invertebrates and algae, respectively. All these toxicity values are well above the water solubility (11.2 ug/l) of isodecyl diphenyl phosphate (IDDPP), indicating that acute toxicity is not expected at the limit of solubility.
Poorly water soluble substances which do not exert acute toxicity at their limit of solubility may require a precautionary classification of R53 ‘May cause long term adverse effects in the aquatic environment’ under the DSD and Chronic Category 4 under the CLP Regulations. However, this precautionary stance is not required for IDDPP as data are available to demonstrate that it is readily biodegradable.
IDDPP is therefore not classified in respect of the environment under either Directive 67/548/EEC or Regulation 1272/2008/EC .
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