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Boiling point

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Reference
Endpoint:
boiling point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2012
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
OECD Guideline 103 (Boiling point/boiling range)
GLP compliance:
no
Type of method:
differential scanning calorimetry
Key result
Boiling pt.:
> 235 °C
Decomposition:
yes
Decomp. temp.:
> 235 °C
Remarks on result:
other: From 235 °C the test item shows a boiling and/or thermal decomposition with evaporation of the decomposition components.

The test item Reaction products of ricinoleic acid with 2-aminoethanol and maleic acid and sodium hydrogensulfite shows a boiling and/or thermal decomposition at ca. 235 °C (at 1022 mbar) (a decomposition is most likely due to a strong residue in the crucible at ca. 600 °C (see TGA measurements)) according to the definition in the OECD guideline 103 (mean value from repeat

determination; 1st heating run).

235 °C (from first measurement)

236 °C (from second measurement)

235 °C (from third measurement)

From 235 °C the test item shows a boiling and/or thermal decomposition with evaporation of the decomposition components.

The DSC measurements were confirmed by means of TGA measurements (up to 235 °C the sample shows a weight loss of ca. 3-4 weight%) under the same measuring conditions.

Conclusions:
Boiling point > 235°C. Above that temperature, decomposition started.
Executive summary:

The In the non-GLP Klimisch 1 study from Kintrup (2012) the boiling point of Reaction products of ricinoleic acid with 2-aminoethanol and maleic acid and sodium hydrogensulfite was determined with the DSC method according to OECD 103 to be above 235 °C. Above that temperature, decomposition started.

This information is considered to be relevant and reliable for the further risk assessment.

Description of key information

Boiling/decomposition: 235°C

Key value for chemical safety assessment

Boiling point at 101 325 Pa:
235 °C

Additional information

The In the non-GLP Klimisch 1 study from Kintrup (2012) the boiling point of Reaction products of ricinoleic acid with 2-aminoethanol and maleic acid and sodium hydrogensulfite was determined with the DSC method according to OECD 103 in a non-GLP study to be above 235 °C. Above that temperature, decomposition started.

This information is considered to be relevant and reliable for the further risk assessment.

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