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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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.
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EC number: 201-058-1 | CAS number: 77-78-1
Phototransformation in air
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: EPIWIN calculation
- Title:
- Unnamed
- Year:
- 2 005
Materials and methods
Test guideline
- Qualifier:
- no guideline required
- Principles of method if other than guideline:
- AOPWIN calculation
- GLP compliance:
- no
Test material
- Reference substance name:
- Dimethyl sulphate
- EC Number:
- 201-058-1
- EC Name:
- Dimethyl sulphate
- Cas Number:
- 77-78-1
- Molecular formula:
- C2H6O4S
- IUPAC Name:
- dimethyl sulfate
- Details on test material:
- - Name of test material (as cited in study report): Dimethyl sulphate
Constituent 1
Study design
- Estimation method (if used):
- PHOTOCHEMICAL REACTION WITH OH RADICALS
- Concentration of OH radicals: 1500000 molecule/cm³
- Degradation rate constant: 0.0000000000001904 cm³/(molecule*sec)
- Temperature for which rate constant was calculated: 25°C
- Computer programme: SRC AOP v1.91
- Other: calculation based on a 12 hour day - Details on test conditions:
- Sensitiser (for indirect photolysis): OH
Sensitiser concentration:
Results and discussion
Dissipation half-life of parent compound
- DT50:
- 56.2 d
Any other information on results incl. tables
12 h day illumination
Applicant's summary and conclusion
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.
