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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

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