Registration Dossier
Registration Dossier
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EC number: 204-065-8 | CAS number: 115-10-6
Additional information on environmental fate and behaviour
Administrative data
- Endpoint:
- additional information on environmental fate and behaviour
- Type of information:
- calculation (if not (Q)SAR)
- Adequacy of study:
- supporting study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Estimated value based on accepted model
Data source
Referenceopen allclose all
- Reference Type:
- secondary source
- Title:
- No information
- Author:
- Hine J, Mookerjee PK
- Year:
- 1 975
- Bibliographic source:
- J. Org. Chem., 40:292-298 (HSDB/354)
- Reference Type:
- secondary source
- Title:
- No information
- Author:
- Lyman WJ et al.
- Year:
- 1 990
- Bibliographic source:
- Handbook of Chemical Property Estimation Methods, pp. 15-1 to 15-29, Amer. Chem. Soc., Washington, DC (HSDB/354)
- Reference Type:
- secondary source
- Title:
- No information
- Author:
- SRC (Syracuse Research Corporation) (n.d.). (HSDB/354).
Materials and methods
- Principles of method if other than guideline:
- Estimated
- GLP compliance:
- not specified
Test material
- Reference substance name:
- Dimethyl ether
- EC Number:
- 204-065-8
- EC Name:
- Dimethyl ether
- Cas Number:
- 115-10-6
- Molecular formula:
- C2H6O
- IUPAC Name:
- dimethyl ether
Constituent 1
Results and discussion
Any other information on results incl. tables
The Henry's Law constant for the test substance is estimated as 7.6E-3 atm-m3/mole (SRC, n.d.) from its vapor pressure, 4450 mm Hg, and water solubility, 4.6E4 mg/L (Hine and Mookerjee, 1975). This Henry's Law constant indicates that the test substance is expected to volatilize rapidly from water surfaces (Lyman et al., 1990; SRC, n.d.). Based on this Henry's Law constant, the estimated volatilization half-life from a model river (1 m deep, flowing 1 m/sec, wind velocity of 3 m/sec) is approximately 2.1 hours (Lyman et al., 1990; SRC, n.d.). The estimated volatilization half-life from a model lake (1 m deep, flowing 0.05 m/sec, wind velocity of 0.5 m/sec) is approximately 2.7 days (Lyman et al., 1990; SRC, n.d).
Applicant's summary and conclusion
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