Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
1.4 µg/L
Assessment factor:
1 000
PNEC freshwater (intermittent releases):
14 µg/L

Marine water

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

STP

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

Sediment (freshwater)

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

Sediment (marine water)

Hazard assessment conclusion:
PNEC sediment (marine water)
PNEC value:
0.133 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:
0.39 mg/kg soil dw
Extrapolation method:
equilibrium partitioning method

Hazard for predators

Secondary poisoning

Hazard assessment conclusion:
insufficient hazard data available (further information necessary)

Additional information

Conclusion on classification

The lowest acute EC/LC50 value in aquatic tests is the 96 h EC50 value of 1.4 mg/L for Danio rerio. The only long-tern effect value from aquatic studies is the 72 h NOEC of 0.14 mg/l (based on yield) for the green alga Pseudokirchnerella subcapitata.

 

Basic data for classification:

Lowest reliable acute L(EC)50 value:        1.4 mg/L for Danio rerio

Lowest reliable long-term NOEC value:    0.14 mg/L for Pseudokirchnerella subcapitata

Readily biodegradable                               no 

log Pow                                                    < 4

Special concern:                                        no

 

Self-classification according to Commission Regulation (EU) No 286-2011 of 11 March 2011 amending, for the purposes of its adaptation to technical and scientific progress, Regulation (EC) No 1272/2008:

Classification:                                           Aquatic Chronic 2 (H411)

Labelling            

Signal word:                                            Warning

Pictogram for environmental hazards:      GHS09

Reason for classification:                          acute L(EC)50 > 1 mg/L;

                                                               Chronic NOEC > 0.1 mg/l

                   not readily biodegradable

 

Self-classification according

to 67/548/EEC (DSD) Annex 1:           dangerous for the environment: N, R51/53

 

Hazard to the atmospheric environment:

(Hazardous to the ozone layer: This includes substances which are listed in Annex I to Regulation (EC) No 2037/2000 of the European Parliament and of the Council ofon substances that deplete the ozone layer (1) and its subsequent amendments):

tetrabutyl urea is not listed in Annex I of (EC) No 2037/2000.

 

M-Factor:                                              No