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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Administrative data

Hazard for aquatic organisms

Freshwater

Hazard assessment conclusion:
PNEC aqua (freshwater)
PNEC value:
0.86 µg/L
Assessment factor:
1 000
Extrapolation method:
assessment factor
PNEC freshwater (intermittent releases):
8.6 µg/L

Marine water

Hazard assessment conclusion:
PNEC aqua (marine water)
PNEC value:
0.086 µg/L
Assessment factor:
10 000
Extrapolation method:
assessment factor

STP

Hazard assessment conclusion:
PNEC STP
PNEC value:
90 000 µg/L
Assessment factor:
10
Extrapolation method:
assessment factor

Sediment (freshwater)

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

Sediment (marine water)

Hazard assessment conclusion:
PNEC sediment (marine water)
PNEC value:
0.35 µg/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:
0.2 µg/kg soil dw
Extrapolation method:
equilibrium partitioning method

Hazard for predators

Secondary poisoning

Hazard assessment conclusion:
no potential for bioaccumulation

Additional information

Conclusion on classification

Aquatic acute toxicity  
96 h, LC50 (Danio rerio):

>1.46 mg/L (geometric mean measured concentration; Aluminium hydroxide diacetate hydrate)
>1.31 mg/L (geometric mean measured concentration; calculated value for anhydrous substance)

48 h, EC50 (Daphnia magna):

>0.96 mg/L (geometric mean measured concentration; Aluminium hydroxide diacetate hydrate)
>0.86 mg/L (geometric mean measured concentration; calculated value for anhydrous substance)

72 h, ErC50 (Raphidocelis subcapitata):

1.02 mg/L (geometric mean measured concentration; Aluminium hydroxide diacetate hydrate)
0.92 mg/L (geometric mean measured concentration; calculated value for anhydrous substance)  

Aquatic chronic toxicity  
72 h, ErC10 (Raphidocelis subcapitata):

0.73 mg/L (geometric mean measured concentration; Aluminium hydroxide diacetate hydrate)
0.66 mg/L (geometric mean measured concentration; calculated value for anhydrous substance)


Biodegradation: readily biodegradable  

Classification according to CLP  
The available experimental test data are reliable and suitable for classification purposes under Regulation (EC) No 1272/2008. Based on the results of a suitable read across substance, the test substance is considered to be ready biodegradable. Based on the algae EC50 values <1 mg/L, aluminium hydroxide diacetate hydrate and the anhydrous substance have to be classified for short-term toxicity, Category 1, H400 (Very toxic to aquatic life). Based on the algae EC10 the aluminium hydroxide diacetate hydrate and the anhydrous substance have to be classified for long-term toxicity, Category 3, H412 (Harmful to aquatic life with long lasting effects) according to Regulation (EC) No 1272/2008 (CLP) as amended for the twelfth time in Regulation (EU) No 2019/521.