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Physical & Chemical properties

Stability: thermal, sunlight, metals

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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:
2012
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

Constituent 1
Chemical structure
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

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