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Physical & Chemical properties

Boiling point

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Administrative data

Link to relevant study record(s)

Reference
Endpoint:
boiling point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
The experimental work associated with this study was carried out between 11 November 2016 and 22 March 2017
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
OECD Guideline 103 (Boiling Point)
GLP compliance:
yes (incl. QA statement)
Type of method:
differential thermal analysis
Specific details on test material used for the study:
Test substances: (2S)-5-oxopyrrolidine-2-carboxylic acid Technical Materials
Acid Source: (2S)-5-oxopyrrolidine-2-carboxylic acid (Acid Source)
Salt Source: (2S)-5-oxopyrrolidine-2-carboxylic acid (Potassium Salt)
Received on: 8th November 2016
DNAL Sample Numbers: DNA3730/1-2
Reference Standard: (S)-(-)-2-Pyrrolidinone-5-carboxylic acid reference standard
Received on: 6th January 2017
Key result
Boiling pt.:
ca. 226.2 °C
Decomposition:
yes
Decomp. temp.:
ca. 226.2 °C

No significant deviation was recorded in this part of the study.

 Analysis/Test  Method  Sample Reference Standard
 Boiling Point  OECD 103

 Ref standard A: the sample started to decompose and boil at the same time at 226.4 deg C

Ref standard B: the sample started to decompose and boil at the same time at 226.0 deg C.

Mean: 226.2 deg C.

Conclusions:
According to the results obtained in this test, the sample started to decompose and boil at the same time at 226.2 deg C.

Description of key information

The substance starts to decompose and boil at the same time at 226.2 deg C.

Key value for chemical safety assessment

Boiling point at 101 325 Pa:
226.2 °C
Temperature of decomposition (state purity):
226.2 °C

Additional information