Registration Dossier
Registration Dossier
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EC number: 203-529-7 | CAS number: 107-88-0
Other distribution data
Administrative data
- Endpoint:
- other distribution data
- Type of information:
- (Q)SAR
- Adequacy of study:
- other information
- Reliability:
- 4 (not assignable)
- Rationale for reliability incl. deficiencies:
- results derived from a (Q)SAR model, with limited documentation / justification
Data source
Reference
- Reference Type:
- other company data
- Title:
- Unnamed
- Year:
- 2 008
- Report date:
- 2008
Materials and methods
Test guideline
- Qualifier:
- no guideline followed
- Principles of method if other than guideline:
- Estimation of volatilization from water based on a calculated HLC.
- GLP compliance:
- no
- Type of study:
- volatility
- Media:
- water - air
Test material
- Reference substance name:
- Butane-1,3-diol
- EC Number:
- 203-529-7
- EC Name:
- Butane-1,3-diol
- Cas Number:
- 107-88-0
- Molecular formula:
- C4H10O2
- IUPAC Name:
- butane-1,3-diol
- Test material form:
- liquid
- Details on test material:
- CAS Number: 107-88-0
SMILES : OCCC(O)C
CHEM : 1,3-Butanediol
MOL FOR: C4 H10 O2
MOL WT : 90.12
Constituent 1
Results and discussion
Any other information on results incl. tables
Henry's Law Constant (HLC) at 25 °C: 0.0233 Pa*m³/mol
Using this HLC and the conditions indicated below the following half-lives for volatilization from rivers and lakes were calculated:
River |
Lake |
|
Water depth (m) |
1 |
1 |
Wind velocity (m/sec) |
5 |
0.5 |
Current velocity (m/sec) |
1 |
0.05 |
Half-life (hours) |
2418 |
2.645E04 |
Half-life (days ) |
100.7 |
1102 |
Applicant's summary and conclusion
- Conclusions:
- Using a calculated HLC of 0.0233 Pa*m³/mol at 25 °C, volatilization half-lives of 101 and 1102 days were estimated for a model river and a model lake, respectively.
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