Registration Dossier
Registration Dossier
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EC number: 224-030-0 | CAS number: 4170-30-3
Henry's Law constant
Administrative data
- Endpoint:
- Henry's law constant
- Type of information:
- calculation (if not (Q)SAR)
- Remarks:
- Migrated phrase: estimated by calculation
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Accepted calculation method
Cross-reference
- Reason / purpose for cross-reference:
- reference to other study
Data source
Reference
- Reference Type:
- publication
- Title:
- Guidance on information requirements and chemical safety assessment (IR & CSA)
- Author:
- European Chemicals Agency (ECHA)
- Year:
- 2 008
- Bibliographic source:
- Chapter 16 "Environmental exposure estimate"
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- other: see above
- GLP compliance:
- not specified
Test material
- Reference substance name:
- Crotonaldehyde
- EC Number:
- 224-030-0
- EC Name:
- Crotonaldehyde
- Cas Number:
- 4170-30-3
- Molecular formula:
- C4H6O
- IUPAC Name:
- but-2-enal
- Details on test material:
- name of substance: crotonaldehyde
Constituent 1
Results and discussion
Henry's Law constant H
- H:
- 1.32 Pa m³/mol
- Temp.:
- 20 °C
Applicant's summary and conclusion
- Conclusions:
- The calculated Henry's law constant of 1.32 Pa*m³/mol indicates a medium volatility of crotonaldehyde from the water phase.
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