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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Phototransformation in air

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Administrative data

Endpoint:
phototransformation in air
Type of information:
calculation (if not (Q)SAR)
Remarks:
Migrated phrase: estimated by calculation
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Scientifically acceptable method

Data source

Reference
Reference Type:
other: model calculation report
Title:
Unnamed
Year:
2012
Report date:
2012

Materials and methods

Principles of method if other than guideline:
Calculation using SRC AOP v1.92
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
(2E)-3-({3-carboxy-3-[(2-ethylhexyl)amino]propanoyl}(2-ethylhexyl)carbamoyl)prop-2-enoic acid; (2E)-3-[(2-ethylhexyl)carbamoyl]prop-2-enoic acid; (2E)-4-{2-[bis(2-hydroxyethyl)amino]ethoxy}-4-oxobut-2-enoic acid; 2-[(2-hydroxyethyl)amino]ethyl (2E)-3-[(2-ethylhexyl)carbamoyl]prop-2-enoate
EC Number:
939-488-3
Cas Number:
1471311-93-9
Molecular formula:
C18 H36 N2 O6
IUPAC Name:
(2E)-3-({3-carboxy-3-[(2-ethylhexyl)amino]propanoyl}(2-ethylhexyl)carbamoyl)prop-2-enoic acid; (2E)-3-[(2-ethylhexyl)carbamoyl]prop-2-enoic acid; (2E)-4-{2-[bis(2-hydroxyethyl)amino]ethoxy}-4-oxobut-2-enoic acid; 2-[(2-hydroxyethyl)amino]ethyl (2E)-3-[(2-ethylhexyl)carbamoyl]prop-2-enoate
Details on test material:
- Name of test material (as cited in study report): 2-Butenoic acid, 4-[(2-ethylhexyl)amino]-4-oxo-, (Z)-, compd. with 2,2,2-nitrilotris[ethanol] (1:1)
- Analytical purity: pure substance

Study design

Estimation method (if used):
PHOTOCHEMICAL REACTION WITH OH RADICALS
- Concentration of OH radicals: 500000 molecules/cm3
- Degradation rate constant: 70.72E-12 cm3/molecules*s (Cis-isomer)
- Degradation rate constant: 71.65E-12 cm3/molecules*s (Trans-isomer)
- Computer programme: SRC AOP v1.92
- Other: assuming a 24-hour day

Results and discussion

Dissipation half-life of parent compoundopen allclose all
DT50:
5.45 h
Test condition:
Cis-isomer
DT50:
5.37 h
Test condition:
Trans-isomer

Applicant's summary and conclusion