Registration Dossier
Registration Dossier
Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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.
Use of this information is subject to copyright laws and may require the permission of the owner of the information, as described in the ECHA Legal Notice.
EC number: 701-374-4 | CAS number: -
Phototransformation in air
Administrative data
- Endpoint:
- phototransformation in air
- Type of information:
- (Q)SAR
- Adequacy of study:
- key study
- Study period:
- 2004
- Reliability:
- 2 (reliable with restrictions)
- Justification for type of information:
- QSAR prediction: migrated from IUCLID 5.6
Data source
Referenceopen allclose all
- Reference Type:
- other: model results
- Title:
- EPISUITE 4.0 results for Diisodecylphenyl Phosphite (PDDP, CAS No. 25550-98-5)
- Author:
- USEPA
- Year:
- 2 010
- Reference Type:
- other: model results
- Title:
- EPISUITE 4.0 results for Diisodecylphenyl Phosphite (TDP, CAS No. 25448-25-3)
- Author:
- US EPA
- Year:
- 2 010
- Reference Type:
- other: model results
- Title:
- EPISUITE 4.0 results for Diphenyl isodecyl Phosphite (DPDP, CAS No. 26544-23-0)
- Author:
- US EPA
- Year:
- 2 010
Materials and methods
Test guideline
- Deviations:
- not specified
- Principles of method if other than guideline:
- Modeled results using EPISUITE 4.0 for the 3 constituent chemicals of the substance - diisodecylphenyl phosphite (DDPP), triisodecyl phosphite (TDP), and diphenyl isodecyl phosphite (DPDP).
- GLP compliance:
- no
Test material
- Reference substance name:
- Reaction products of triphenyl phosphite and isodecanol (1:2)
- EC Number:
- 701-374-4
- Cas Number:
- 25550-98-5
- Molecular formula:
- C26H47O3P
- IUPAC Name:
- Reaction products of triphenyl phosphite and isodecanol (1:2)
- Details on test material:
- 3 constituent chemicals - diisodecylphenyl phosphite (DDPP), triisodecyl phosphite (TDP), and diphenyl isodecyl phosphite (DPDP).
Constituent 1
Study design
- Light source:
- sunlight
- Details on test conditions:
- Atmospheric oxidation estimated using EPISUITE 4.0, AOP Program v1.92 Hydroxyl radical reaction. Assumes 12 hour day, 25 deg C., 1.5 x 106 OH/cm3
- Reference substance:
- no
Results and discussion
Dissipation half-life of parent compoundopen allclose all
- DT50:
- 0.15 d
- Test condition:
- Result for DDPP; 12-hr day, 25 deg. C, 1.5E6 OH/cm3
- DT50:
- 0.103 d
- Test condition:
- Result forTDP; 12-hr day, 25 deg. C, 1.5E6 OH/cm3
- DT50:
- 0.255 d
- Test condition:
- Result for DPDP; 12-hr day, 25 deg. C, 1.5E6 OH/cm3
- Transformation products:
- not specified
Any other information on results incl. tables
Rate constants:
DDPP: 71.4496 x 10-12 cm3/molecule-sec
TDP: 104.2496 x 10-12 cm3/molecule-sec
DPDP: 41.9781 x 10-12 cm3/molecule-sec
Applicant's summary and conclusion
- Conclusions:
- Estimated half-lives in the atmosphere, based on the AOP v1.92 program, for the component chemicals of this substance ranged from 1.2-3.1 hours (0.1-0.26 days; based on 12-hrs of sunlight and an OH radical concentration of 1.5E6 OH/cm3).
- Executive summary:
Estimated half-lives in the atmosphere for the component chemicals of this substance ranged from 0.1 -0.26 days (12 -hr sunlight).
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
