Registration Dossier
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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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
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: 618-690-2 | CAS number: 90982-32-4
- Life Cycle description
- Uses advised against
- Endpoint summary
- Appearance / physical state / colour
- Melting point / freezing point
- Boiling point
- Density
- Particle size distribution (Granulometry)
- Vapour pressure
- Partition coefficient
- Water solubility
- Solubility in organic solvents / fat solubility
- Surface tension
- Flash point
- Auto flammability
- Flammability
- Explosiveness
- Oxidising properties
- Oxidation reduction potential
- Stability in organic solvents and identity of relevant degradation products
- Storage stability and reactivity towards container material
- Stability: thermal, sunlight, metals
- pH
- Dissociation constant
- Viscosity
- Additional physico-chemical information
- Additional physico-chemical properties of nanomaterials
- Nanomaterial agglomeration / aggregation
- Nanomaterial crystalline phase
- Nanomaterial crystallite and grain size
- Nanomaterial aspect ratio / shape
- Nanomaterial specific surface area
- Nanomaterial Zeta potential
- Nanomaterial surface chemistry
- Nanomaterial dustiness
- Nanomaterial porosity
- Nanomaterial pour density
- Nanomaterial photocatalytic activity
- Nanomaterial radical formation potential
- Nanomaterial catalytic activity
- Endpoint summary
- Stability
- Biodegradation
- Bioaccumulation
- Transport and distribution
- Environmental data
- Additional information on environmental fate and behaviour
- Ecotoxicological Summary
- Aquatic toxicity
- Endpoint summary
- Short-term toxicity to fish
- Long-term toxicity to fish
- Short-term toxicity to aquatic invertebrates
- Long-term toxicity to aquatic invertebrates
- Toxicity to aquatic algae and cyanobacteria
- Toxicity to aquatic plants other than algae
- Toxicity to microorganisms
- Endocrine disrupter testing in aquatic vertebrates – in vivo
- Toxicity to other aquatic organisms
- Sediment toxicity
- Terrestrial toxicity
- Biological effects monitoring
- Biotransformation and kinetics
- Additional ecotoxological information
- Toxicological Summary
- Toxicokinetics, metabolism and distribution
- Acute Toxicity
- Irritation / corrosion
- Sensitisation
- Repeated dose toxicity
- Genetic toxicity
- Carcinogenicity
- Toxicity to reproduction
- Specific investigations
- Exposure related observations in humans
- Toxic effects on livestock and pets
- Additional toxicological data
![](https://echa.europa.eu/o/diss-blank-theme/images/factsheets/A-REACH/factsheet/print_environmental-fate-and-pathways.png)
Phototransformation in soil
Administrative data
- Endpoint:
- phototransformation in soil
- Type of information:
- experimental study
- Adequacy of study:
- supporting study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- test procedure in accordance with national standard methods with acceptable restrictions
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 985
- Report date:
- 1985
Materials and methods
- Principles of method if other than guideline:
- Radiolabeled test materials (with the radiolabel either on the phenyl or on the pyrimidine moiety) were applied to Flanagan silt loam soil and exposed to natural sunlight for 32 days (mid-August through mid-September. 1985).
- GLP compliance:
- no
Test material
- Test material form:
- solid
- Details on test material:
- Purity: not reported
Constituent 1
- Radiolabelling:
- yes
Study design
- Analytical monitoring:
- no
- Analytical method:
- liquid chromatography
- Details on soil:
- Characteristics of Flanagan soil (Silt loam): Sand = 4%; Silt = 81%; Clay = 15%; Organic matter = 4.3% and pH = 5.8 and Cation exchange capacity = 23.2 meg/100g
- Light source:
- other: Four photolysis box units
- Light spectrum: wavelength in nm:
- 285 - 2 800
Duration of test at given test condition
- Duration:
- 32 d
- Reference substance:
- no
- Dark controls:
- yes
Results and discussion
Dissipation half-life of parent compoundopen allclose all
- Key result
- DT50:
- 20 d
- Test condition:
- irradiated sample
- Key result
- DT50:
- > 43 - < 46 d
- Test condition:
- dark controls
- Transformation products:
- yes
Identity of transformation productsopen allclose all
- No.:
- #1
Reference
- Reference substance name:
- Unnamed
- No.:
- #2
Reference
- Reference substance name:
- Unnamed
Any other information on results incl. tables
Composition and distribution of radioactivity recovered from soil
Photolysis samples treated with [pyrimidine-2-14c] DPX-F6025 (percent of total 14C normalized to total 14C recovered equal to 100%)
Day |
Solar Energy (watt-hr/m2) |
DPX-F6025 |
Pyrimidinamine (a) |
Unknown (b) |
Other (c) |
Unextracted |
0 |
0 |
95 |
2 |
0 |
2 |
Not determined |
7 |
30,513 |
72 |
13 |
0 |
7 |
3 |
14 |
65,316 |
66 |
12 |
0 |
10 |
8 |
21 |
98,802 |
44 |
37 |
0 |
2 |
10 |
32 |
154,497 |
31 |
50 |
0 |
0 |
12 |
Day |
Solar Energy (watt-hr/m2) |
DPX-F6025 |
Pyrimidinamine (a) |
Unknown (b) |
Other (c) |
Unextracted |
7 (Dark) |
----- |
87 |
8 |
0 |
2 |
1 |
14 (Dark) |
----- |
84 |
4 |
9 |
1 |
2 |
21 (Dark) |
----- |
66 |
14 |
14 |
1 |
2 |
32 (Dark) |
----- |
60 |
17 |
18 |
1 |
4 |
(a) 4-Chloro-6-methoxy-2-pyrimidinamine
(b) Unidentified product appearing only in dark control samples. The product failed to form in an
attempted large scale preparation to obtain a sample for characterization.
(c)Sum of unidentified labeled products, none of which is more than3%.
Composition and distribution of radioactivity recovered soil from photolysis samples treated with [phenyl-14c] DPX-F6025
(percent of total 14C normalized to total 14C recovered equal to 100%)
Day |
Solar Energy (watt-hr/m2) |
DPX-F6025 |
Sulfonamide (d) |
Saccharin |
CO2 |
Other (e) |
Unextracted |
0 |
0 |
92 |
1 |
3 |
--- |
2 |
Not determined |
7 |
30,513 |
74 |
12 |
3 |
0 |
4 |
4 |
14 |
65,316 |
46 |
31 |
7 |
1 |
1 |
8 |
21 |
98,802 |
48 |
35 |
2 |
1 |
2 |
8 |
32 |
154,497 |
29 |
48 |
3 |
2 |
1 |
12 |
Day |
Solar Energy (watt-hr/m2) |
DPX-F6025 |
Sulfonamide (d) |
Saccharin |
CO2 |
Other (e) |
Unextracted |
7 (Dark) |
----- |
80 |
9 |
3 |
0 |
3 |
3 |
14 (Dark) |
----- |
71 |
18 |
4 |
0 |
1 |
5 |
21 (Dark) |
----- |
60 |
30 |
1 |
0 |
2 |
6 |
32 (Dark) |
----- |
55 |
35 |
1 |
0 |
2 |
5 |
(d) Ethyl 2-aminosulfonylbenzoate
(e)Sum of unidentified labeled products, none of which is more than3%.
Applicant's summary and conclusion
- Conclusions:
- Degradation of the test substance occurred approximately twice as fast in the presence of sunlight compared to the dark controls: the first half-life was approximately 20 days in irradiated samples vs. 43-46 days in the dark controls. The major radiolabeled compounds were 4-chloro-6-methoxy- 2-pyrimidinamine and ethyl 2-amino-sulfonylbenzoate. These are the expected products of hydrolytic cleavage of the sulfonylurea bridge of the test substance.
- Executive summary:
Radiolabeled test materials (with the radiolabel either on the phenyl or on the pyrimidine moiety) were applied to Flanagan silt loam soil and exposed to natural sunlight for 32 days (mid-August through mid-September, 1985).
Degradation of the test substance occurred approximately twice as fast in the presence of sunlight compared to the dark controls: the first half-life was approximately 20 days in irradiated samples vs. 43-46 days in the dark controls. The major radiolabeled compounds were 4-chloro-6-methoxy-2-pyrimidinamine and ethyl 2-amino-sulfonylbenzoate. These are the expected products of hydrolytic cleavage of the sulfonylurea bridge of the test substance.
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.
![ECHA](/o/diss-blank-theme/images/factsheets/A-REACH/factsheet/echa_logo.png)
Ačkoli agentura ECHA poskytuje on-line velké množství materiálů ve vašem jazyce, část této stránky je bohužel k dispozici pouze v angličtině. Další podrobností o postupu agentury ECHA při zveřejňování informací v různých jazycích.
Vítejte na internetových stránkách agentury ECHA. Tyto stránky nejsou plně podporované v prohlížeči Internet Explorer 7 (a starších verzích). Aktualizujte si prohlížeč Internet Explorer na novější verzi.
Tato webová stránka používá cookies, aby se vám naše stránky používaly co nejlépe.
Více informací o tom, jak používáme soubory cookies.