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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Melting point / freezing point

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Administrative data

Endpoint:
melting point/freezing point
Type of information:
other: Literature
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
data from handbook or collection of data

Data source

Reference
Reference Type:
publication
Title:
Unnamed
Year:
2008
Report date:
2016

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
other: not specified
Version / remarks:
handbook data
Principles of method if other than guideline:
Knovel Critical Tables (2nd Edition) © 2008 Knovel
GLP compliance:
not specified
Type of method:
other: handbook data

Test material

Constituent 1
Chemical structure
Reference substance name:
2,2,6,6-tetramethylpiperidinooxy
EC Number:
219-888-8
EC Name:
2,2,6,6-tetramethylpiperidinooxy
Cas Number:
2564-83-2
Molecular formula:
C9H18NO
IUPAC Name:
2,2,6,6-tetramethylpiperidin-1-ol
Test material form:
solid
Details on test material:
purchased from Sigma
Specific details on test material used for the study:
Knovel Critical Tables (2nd Edition) © 2008 Knovel

Results and discussion

Melting / freezing point
Key result
Melting / freezing pt.:
>= 36 - <= 40 °C
Remarks on result:
other: handbook data

Applicant's summary and conclusion

Conclusions:
The Melting/freezing point of TEMPO is between 36 - 40 °C