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EC number: 205-570-6 | CAS number: 142-90-5
Distribution modelling
Administrative data
- Endpoint:
- distribution modelling
- Type of information:
- calculation (if not (Q)SAR)
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- accepted calculation method
Data source
Reference
- Reference Type:
- other company data
- Title:
- Unnamed
- Year:
- 2 013
Materials and methods
- Model:
- calculation according to Mackay, Level III
Test material
- Reference substance name:
- Dodecyl methacrylate
- EC Number:
- 205-570-6
- EC Name:
- Dodecyl methacrylate
- Cas Number:
- 142-90-5
- Molecular formula:
- C16H30O2
- IUPAC Name:
- dodecyl 2-methylprop-2-enoate
- Test material form:
- liquid
Constituent 1
Study design
- Test substance input data:
- Chem Name : 2-Propenoic acid, 2-methyl-, dodecyl ester
Molecular Wt: 254.42
Henry's LC : 0.0125 atm-m3/mole (Henrywin program)
Vapor Press : 0.00045 mm Hg (user-entered)
Log Kow : 6.57 (Kowwin program)
Soil Koc : 6.73e+003 (KOCWIN MCI method)
------------------------------ EPI SUMMARY (v4.10) --------------------------
Physical Property Inputs:
Log Kow (octanol-water): ------
Boiling Point (deg C) : 307.00
Melting Point (deg C) : -7.00
Vapor Pressure (mm Hg) : 0.00045
Water Solubility (mg/L): ------
Henry LC (atm-m3/mole) : ------
Results and discussion
Percent distribution in media
- Other distribution results:
- Using a valid modeling approach, if Dodecyl methacrylate is released mainly into air, it mainly remains in the air. And if it is released into water, it also mainly remains in the water.
Any other information on results incl. tables
Distribution modelling
Level III Fugacity Model (Full-Output):
=======================================
Chem Name : 2-Propenoic acid, 2-methyl-, dodecyl ester
Molecular Wt: 254.42
Henry's LC : 0.0125 atm-m3/mole (Henrywin program)
Vapor Press : 0.00045 mm Hg (user-entered)
Log Kow : 6.57 (Kowwin program)
Soil Koc : 6.73e+003 (KOCWIN MCI method)
Release to air:
| Mass Amount (percent) | Half-Life(hr) | Emissions(kg/hr) | |
| Air | 94.3 | 7.71 | 1000 |
| Water | 0.295 | 360 | 0 |
| Soil | 5.31 | 720 | 0 |
| Sediment | 0.0508 | 3.24e+003 | 0 |
| Fugacity(atm) | Reaction(kg/hr) | Advection(kg/hr) | Reaction(percent) | Advection(percent) | |
| Air | 9.59e-012 | 899 | 100 | 89.9 | 10 |
| Water | 6.42e-012 | 0.0602 | 0 .0313 | 0.00602 | 0.00313 |
| Soil | 9.49e-012 | 0.542 | 0 | 0.0542 | 0 |
| Sediment | 4.07e-012 | 0.00115 | 0.000108 | 0.000115 | 1.08e-05 |
Persistence Time: 10.6 hr
Reaction Time: 11.8 hr
Advection Time: 106 hr
Percent Reacted: 90
Percent Advected: 10
Half-Lives (hr), (based upon Biowin (Ultimate) and Aopwin):
Air: 7.712
Water: 360
Soil: 720
Sediment: 3240
Biowin estimate: 3.075 (weeks )
Advection Times (hr):
Air: 100
Water: 1000
Sediment: 5e+004
Release to water:
| Mass Amount (percent) | Half-Life(hr) | Emissions(kg/hr) | |
| Air | 1.72 | 7.71 | 0 |
| Water | 83.7 | 360 | 1000 |
| Soil | 0.0967 | 720 | 0 |
| Sediment | 14.4 | 3.24e+003 | 0 |
| Fugacity(atm) | Reaction(kg/hr) | Advection(kg/hr) | Reaction(percent) | Advection(percent) | |
| Air | 3.92e-012 | 368 | 40.9 | 36.8 | 4.09 |
| Water | 4.1e-08 | 384 | 199 | 38.4 | 19.9 |
| Soil | 3.88e-012 | 0.222 | 0 | 0.0222 | 0 |
| Sediment | 2.6e-08 | 7.35 | 0.687 | 0.735 | 0.0687 |
Persistence Time: 238 hr
Reaction Time: 314 hr
Advection Time: 988 hr
Percent Reacted: 75.9
Percent Advected: 24.1
Half-Lives (hr), (based upon Biowin (Ultimate) and Aopwin):
Air: 7.712
Water: 360
Soil: 720
Sediment: 3240
Biowin estimate: 3.075 (weeks)
Advection Times (hr):
Air: 100
Water: 1000
Sediment: 5e+004
Applicant's summary and conclusion
- Conclusions:
- Using a valid modeling approach, if Dodecyl methacrylate is released mainly into air, it mainly remains in the air. And if it is released into water, it also mainly remains in the water.
- Executive summary:
Using a valid modeling approach, if Dodecyl methacrylate is released mainly into air, it remains in the air. And if it is released into water, it also mainly remains in the water.
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