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EC number: 700-762-0 | CAS number: -
Hydrolysis
Administrative data
- Endpoint:
- hydrolysis
- Type of information:
- read-across from supporting substance (structural analogue or surrogate)
- Adequacy of study:
- supporting study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Data are from a peer reviewed source.
- Justification for type of information:
- A discussion and report on the read across strategy is given as an attachment in IUCLID Section 13.
Cross-reference
- Reason / purpose for cross-reference:
- read-across source
Reference
- Endpoint:
- hydrolysis
- Type of information:
- other: Technical Discussion
- Adequacy of study:
- supporting study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Data are from a peer reviewed source.
- Justification for type of information:
- A discussion and report on the read across strategy is given as an attachment in IUCLID Section 13.
- Reason / purpose for cross-reference:
- read-across: supporting information
- Principles of method if other than guideline:
- Technical discussion
- GLP compliance:
- not specified
- Conclusions:
- Hydrolysis is not expected to be a significant mechanism of degradation in the environment because hydrocarbons, C14-20 Aliphatics (≤2% aromatics) lack a hydrotically reactive functional group. Therefore, hydrocarbons are not subject to hydrolysis and this fate process will not contribute to the degradative loss of the substance from the environment.
- Executive summary:
Hydrolysis is a reaction in which a water molecule of hydroxide ion substitutes for another atom of group of atoms present in a chemical resulting in a structural change of that chemical. Potentially hydrolysable groups include alkyl halides, amides, carbamates, carboxylic acid esters and lactone epoxides, phosphate esters, and sulfonic acid esters. The lack of a suitable leaving group renders compounds resistant to hydrolysis.
The chemical constituents that comprise hydrocarbons, C14-20 Aliphatics (≤2% aromatics) consist entirely of carbon and hydrogen and do not contain hydrolysable groups. As such, they have a very low potential to hydrolyze. Therefore this degradative process will not contribute to their removal from the environment.
Data source
Referenceopen allclose all
- Reference Type:
- publication
- Title:
- Hydrolysis
- Author:
- Neely, W.B.
- Year:
- 1 985
- Bibliographic source:
- In: Environmental exposure from chemicals" (Neely, W.B. & Blau, G.E., Eds), Vol. I, Academic Press, Boca Raton, FL, USA: 157-173
- Reference Type:
- other: Handbook
- Title:
- Chapter 8. Rate of Aqueous Photolysis.
- Author:
- Harris
- Year:
- 1 982
- Bibliographic source:
- In: Handbook of Chemical Property Estimation Methods. W. J. Lyman, W. F. Reehl and D. H. Rosenblatt, eds. McGraw-Hill Book Company, New York, USA.
- Reference Type:
- publication
- Title:
- No information
- Author:
- Gould
- Year:
- 1 959
Materials and methods
- Principles of method if other than guideline:
- Technical discussion
- GLP compliance:
- not specified
Test material
- Reference substance name:
- C14-16 (even numbered) and C16 (branched) saturated and unsaturated aliphatic hydrocarbons
- EC Number:
- 700-762-0
- Molecular formula:
- All molecules present in the mixture have the general molecular formula CnH2n for olefins or CnH2n+2 for the paraffin’s with n being an even number
- IUPAC Name:
- C14-16 (even numbered) and C16 (branched) saturated and unsaturated aliphatic hydrocarbons
- Test material form:
- liquid: viscous
Constituent 1
Results and discussion
Applicant's summary and conclusion
- Conclusions:
- Hydrolysis is not expected to be a significant mechanism of degradation in the environment because hydrocarbons, C14-20 Aliphatics (≤2% aromatics) lack a hydrotically reactive functional group. Therefore, hydrocarbons are not subject to hydrolysis and this fate process will not contribute to the degradative loss of the substance from the environment.
- Executive summary:
Hydrolysis is a reaction in which a water molecule of hydroxide ion substitutes for another atom of group of atoms present in a chemical resulting in a structural change of that chemical. Potentially hydrolysable groups include alkyl halides, amides, carbamates, carboxylic acid esters and lactone epoxides, phosphate esters, and sulfonic acid esters. The lack of a suitable leaving group renders compounds resistant to hydrolysis.
The chemical constituents that comprise hydrocarbons, C14-20 Aliphatics (≤2% aromatics) consist entirely of carbon and hydrogen and do not contain hydrolysable groups. As such, they have a very low potential to hydrolyze. Therefore this degradative process will not contribute to their removal from the environment.
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