Registration Dossier
Registration Dossier
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EC number: 204-171-4 | CAS number: 117-08-8
Ecotoxicological Summary
Administrative data
Hazard for aquatic organisms
Freshwater
- Hazard assessment conclusion:
- PNEC aqua (freshwater)
- PNEC value:
- 0.084 mg/L
- Assessment factor:
- 1 000
- Extrapolation method:
- assessment factor
- PNEC freshwater (intermittent releases):
- 0.84 mg/L
Marine water
- Hazard assessment conclusion:
- PNEC aqua (marine water)
- PNEC value:
- 0.008 mg/L
- Assessment factor:
- 10 000
- Extrapolation method:
- assessment factor
STP
- Hazard assessment conclusion:
- PNEC STP
- PNEC value:
- 1 000 mg/L
- Assessment factor:
- 10
Sediment (freshwater)
- Hazard assessment conclusion:
- PNEC sediment (freshwater)
- PNEC value:
- 0.303 mg/kg sediment dw
- Extrapolation method:
- equilibrium partitioning method
Sediment (marine water)
- Hazard assessment conclusion:
- PNEC sediment (marine water)
- PNEC value:
- 0.03 mg/kg sediment dw
- Extrapolation method:
- equilibrium partitioning method
Hazard for air
Air
- Hazard assessment conclusion:
- no hazard identified
Hazard for terrestrial organisms
Soil
- Hazard assessment conclusion:
- PNEC soil
- PNEC value:
- 0.011 mg/kg soil dw
- Extrapolation method:
- equilibrium partitioning method
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
According to Annex VI of Regulation (EC) No 1272/2008 (Index No. 607-242-00-1) tetrachlorophthalic anhydride, CAS no. 117 -08 -8, EC no. 204 -171 -4 is classified as Aquatic Acute 1, H400 “Very toxic to aquatic life” and Aquatic Chronic 1, H410 “Very toxic to aquatic life with long lasting effects”.
According to the information summarized in present dossier for tetrachlorophthalic anhydride, classification may be changed. A classification as Aquatic Acute 3, H402 “Harmful to aquatic life.” and Aquatic Chronic 3, H412 “Harmful to aquatic life with long lasting effects” is proposed for the following reasons:
- The most sensitive acute toxicity is to algae: 72h-EC50 of 84 mg/L and a NOEC of 25 mg/L.
- Not readily biodegradable with 0 % degradation observed in 28 days.
With the data listed above, tetrachlorophthalic anhydride should be classified to "Chronic Category 3" according to GHS [Regulation (EC) 1272/2008].
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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