Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Currently viewing:

Administrative data

Endpoint:
melting point/freezing point
Type of information:
experimental study
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:
Synthesis of 4-cis-Phenyl-L-proline via Hydrogenolysis
Author:
Makoto Tamaki, Guoxia Han, and Victor J. Hruby
Year:
2000
Bibliographic source:
J. Org. Chem. 2001, 66, 3593-3596

Materials and methods

Test guideline
Qualifier:
no guideline followed
Principles of method if other than guideline:
Principle of test: no information available.
GLP compliance:
not specified
Type of method:
other: reliable literature source

Test material

Constituent 1
Chemical structure
Reference substance name:
(2S)-1-(tert-butoxycarbonyl)-4-oxopyrrolidine-2-carboxylic acid
EC Number:
617-556-0
Cas Number:
84348-37-8
Molecular formula:
C10H15NO5
IUPAC Name:
(2S)-1-(tert-butoxycarbonyl)-4-oxopyrrolidine-2-carboxylic acid
Test material form:
solid

Results and discussion

Melting / freezing point
Key result
Decomposition:
yes
Decomp. temp.:
>= 155 - <= 157 °C

Applicant's summary and conclusion

Conclusions:
In the range of 155 - 157 °C the substance decomposes (reliable literature source).