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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Environmental fate & pathways

Endpoint summary

Administrative data

Description of key information

Additional information

ABIOTIC DEGRADATION IN AIR

DIRECT PHOTOLYSIS in air
The registration substance does not absorb light >290 nm (ozone band) and therefore a direct photolysis in air will not occur.

INDIRECT PHOTOLYSIS in air

OH radical induced indirect photolysis of the registration substacne can be estimated with US EPA AOPWIN Program estimating low degradation half-lives.(24 hour day and OH radical concentration of 500000 radicales/cm3). For the C12-C18 saturated homologue half-life 7.1 - 8.4 h are calculated (OH radical reaction).

Table: OH reaction half-lives of the C16 and C18 chain homologues of the registration substance can calculated with US EPA AOPWIN.

 Chain length Half-life in OH radical initiated photodegradation (h) 
 C16  7.5
 C18  7.1

ABIOTIC DEGRADATION IN WATER


HYDROLYSIS

The registration substance has no functional groups which could be hydrolyzed under envrionmental conditions as stated in OECD Guideline 111. In addition the registration substance is readily biodegradable.

 

DIRECT PHOTOLYSIS in water
The registration substance does not absorb light >290 nm (ozone band) and therefore a direct photolysis in water will not occur.

INDIRECT PHOTOLYSIS in water

In principal OH radical initiated photodegradation in water is possible..

 

ABIOTIC DEGRADATION IN SOIL

 

DIRECT PHOTOLYSIS in soil

The registration substance does not absorb light >290 nm (ozone band) and therefore a direct photolysis on soil surface will not occur.

INDIRECT PHOTOLYSIS in soil

OH radical induced indirect photolysis of registration substance in air can be calculated with the US EPA AOPWIN Program estimating low degradation half-lives (see chapter 5.1.1). Therefore the registration substance may be degraded on soil porewater by indirect photolysis but as the the registration substance is rapildly biodegraded in aerobic soils (see IUCLID Section 5.2.3) indirect photolysis will play a minor role in degradation.