Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Ecotoxicological information

Ecotoxicological Summary

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Administrative data

Hazard for aquatic organisms

Freshwater

Hazard assessment conclusion:
PNEC aqua (freshwater)
PNEC value:
1 mg/L
Assessment factor:
10

Marine water

Hazard assessment conclusion:
PNEC aqua (marine water)
PNEC value:
1 mg/L
Assessment factor:
10

STP

Hazard assessment conclusion:
PNEC STP
PNEC value:
100 mg/L
Assessment factor:
10

Sediment (freshwater)

Hazard assessment conclusion:
PNEC sediment (freshwater)
PNEC value:
3.6 mg/kg sediment dw
Extrapolation method:
equilibrium partitioning method

Sediment (marine water)

Hazard assessment conclusion:
PNEC sediment (marine water)
PNEC value:
3.6 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:
3.33 mg/kg soil dw
Assessment factor:
100

Hazard for predators

Secondary poisoning

Hazard assessment conclusion:
PNEC oral
PNEC value:
0.01 g/kg food
Assessment factor:
30

Additional information

Conclusion on classification

The harmonised classification of the substance is Aquatic Chronic 2 according to Annex VI of Regulation (EC) No 1272/2008 (CLP Regulation, ATP01).


 


This harmonised classification is not in agreement with the data presented in the dossier as the substance should not be classified instead of Aquatic Chronic 2 based on data from the dossier.


- The substance is not readily biodegradable,


- The lowest acute EC50 value is higher than 1 mg/L (EC50= 129 mg/L, algae)


- The lowest chronic EC10/NOEC value is comprised between 1 and 10 mg/L (7d-NOErC = 10 mg/L, aquatic plants:Lemna minor, section 6.1.6)


A declassification dossier for aquatic chronic 2 for sodium chlorate has been submitted under the registry of CLH intentions to ECHA by Sweden in 2019: https://echa.europa.eu/fr/registry-of-clh-intentions-until-outcome/-/dislist/details/0b0236e183552bed