Registration Dossier
Registration Dossier
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EC number: 208-807-1 | CAS number: 542-28-9
Stability: thermal, sunlight, metals
Administrative data
- Endpoint:
- stability: thermal, sunlight, metals, other
- Remarks:
- Migrated from section 'Stability: thermal, sunlight, metals'
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: GLP guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 012
- Report date:
- 2012
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 113 (Screening Test for Thermal Stability and Stability in Air)
- GLP compliance:
- yes (incl. QA statement)
Test material
- Reference substance name:
- δ-valerolactone
- EC Number:
- 208-807-1
- EC Name:
- δ-valerolactone
- Cas Number:
- 542-28-9
- Molecular formula:
- C5H8O2
- IUPAC Name:
- tetrahydro-2H-pyran-2-one
- Details on test material:
- - Name of test material (as cited in study report): Delta-Valerolactone
- Analytical purity: >=97% - 100%
- Lot/batch No.: 000STD77L0
Constituent 1
Results and discussion
For thermal stability study
- Test substance thermally stable:
- no
Operating temperature
- Operating temp.:
- 30 - 500 °C
Any other information on results incl. tables
| Apparatus: | Mettler TA 8000 |
| Sample containers: | closed high pressure cell made of V4A |
| Sample weight: | 18.7 mg |
| Reference material: | empty container |
| Heating rate: | 2.5 °C/min |
| Temperature range: | from 30 °C to 500 °C |
| Results | |
| 1st reaction: | |
| Onset temperature: | 150 °C |
| Peak temperature: | 185 °C |
| Energy release: | 10 J/g |
| 2nd reaction: | |
| Onset temperature: | 275 °C |
| Peak temperature: | 321 °C |
| Energy release: | 70 J/g |
| 3rd reaction | |
| Onset temperature: | 370 °C |
| Peak temperature: | 457 °C |
| Energy release: | >390 J/g |
Applicant's summary and conclusion
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