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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Endpoint:
phototransformation in air
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1987
Report date:
1987

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: Pesticide Assessment Guidelines U.S. EPA 540/9-82-021
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
EPTC
EC Number:
212-073-8
EC Name:
EPTC
Cas Number:
759-94-4
Molecular formula:
C9H19NOS
IUPAC Name:
N,N-dipropyl(ethylsulfanyl)formamide

Study design

Light source:
other: artificial UV source

Results and discussion

Preliminary study:
The level of EPTC in dark control remained constant throughout the 33 day- period, confirming that the compound is stable hydrolytically under test conditions. The pseudo-first order photolysis rate is 0,00788 and the half-life is 88 days.
Test performance:
The level of EPTC in dark control remained constant throughout the 33 day- period, confirming that the compound is stable hydrolytically under test conditions. The pseudo-first order photolysis rate is 0,00788 and the half-life is 88 days.

Applicant's summary and conclusion

Conclusions:
The level of EPTC in dark control remained constant throughout the 33 day- period, confirming that the compound is stable hydrolytically under test conditions. The pseudo-first order photolysis rate is 0,00788 and the half-life is 88 days.
The photolysis rate of EPTC in aqueous solution at pH 7 at 25 C has been determined.
Executive summary:

The level of EPTC in dark control remained constant throughout the 33 day- period, confirming that the compound is stable hydrolytically under test conditions. The photolysis rate of EPTC in aqueous solution at pH 7 at 25 C has been determined. The pseudo-first order photolysis rate is 0,00788 and the half-life is 88 days.