2-Propenoic acid, homopolymer

Boiling point

Link to relevant study record(s)

Reference

Endpoint:

boiling point

Type of information:

experimental study

Adequacy of study:

key study

Study period:

From 2016-08-24 to 2017-01-27

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

guideline study

Reason / purpose for cross-reference:

reference to same study

Reason / purpose for cross-reference:

reference to same study

Qualifier:

according to guideline

Guideline:

EU Method A.2 (Boiling Temperature)

Deviations:

no

Qualifier:

according to guideline

Guideline:

OECD Guideline 103 (Boiling Point)

Deviations:

no

GLP compliance:

yes (incl. QA statement)

Remarks:

2015-07-28

Type of method:

differential scanning calorimetry

Specific details on test material used for the study:

- Analytical purity: >=99%
- Purity test date: 24 August 2016
- Lot/batch No.: BA5H22021
- Expiration date of the lot/batch: 24 August 2017
- Appearance: Colourless limpid liquid
- Storage: In darkness at room temperature

Key result

Boiling pt.:

193.9 °C

Atm. press.:

1 013 hPa

Decomposition:

no

Six assays were performed during the test. Two assays (Nos. 2 and 3) complied with the accuracy criterion. Only these assays are presented in the following pages. A DSC software error was recorded for two assays (Nos. 4 and 5). Another assay (assay No. 6) was made to confirm that neither endothermic nor exothermic peak was recorded from 300 °C up to 600 °C.

Assay No. 2

Gas used: Nitrogen

Ventilation: Yes

Atmospheric pressure: 96.8 kPa

Crucible used : Aluminium, 120 μL, with pierced lid

Mass of test item: 13.21 mg

Program: Phase 1: Isotherm at about 25 °C for 5 min

Heating phase from 25 °C to 300 °C at 10 °C/min

Observation: The observed boiling point of this assay was 192.4 °C. The boiling point corrected to the atmospheric pressure was 194.1 °C.

Assay No. 3

Gas used: Nitrogen

Ventilation: Yes

Atmospheric pressure: 96.8 kPa

Crucible used: Aluminium, 120 μL, with pierced lid

Mass of test item: 13.33 mg

Program: Phase 1: Isotherm at about 25 °C for 5 min

Heating phase from 25 °C to 300 °C at 10 °C/min

Observation: The observed boiling point of this assay was 192.0 °C. The boiling point corrected to the atmospheric pressure was 193.7 °C.

Assay No. 6

This assay was done for confirmation.

Gas used: Nitrogen

Ventilation: Yes

Atmospheric pressure: 99.7 kPa

Crucible used: Aluminium, 120 μL, with pierced lid

Mass of test item: 11.82 mg

Program: Phase 1: Isotherm at about 25 °C for 5 min

Heating phase from 25 °C to 600 °C at 10 °C/min

Conclusion

The mean corrected boiling point of the test item was 193.9 °C ± 0.5 °C.

Conclusions:

The mean corrected boiling point of the test item was 193.9 °C ± 0.5 °C.

Executive summary:

The boiling point of the REACH substance was determined in a GLP-compliant study performed in accordance with EC A.2 method and OECD Guideline No. 103, using Differential Scanning Calorimetry (DSC). The mean boiling point of the test item was 193.9 °C ± 0.5 °C.

Description of key information

The boiling point of the REACH substance was determined in a GLP-compliant study performed in accordance with EC A.2 method and OECD Guideline No. 103, using Differential Scanning Calorimetry (DSC).The mean boiling point of the test item was 193.9 °C ± 0.5 °C.

Key value for chemical safety assessment

Boiling point at 101 325 Pa:

193.9 °C

Additional information

The boiling point of the REACH substance was determined in one GLP-compliant study performed in accordance with standard methods, without deviations. The study is considered as reliable (Klimisch 1) and was selected as a key study for the endpoint.