Oleic acid, compound with 2-amino-2-methylpropan-1-ol (1:1)

Boiling point

Administrative data

Endpoint:

boiling point

Type of information:

experimental study

Adequacy of study:

key study

Study period:

Experimental starting date: 18 October 2017 Experimental completion date: 02 February 2018

Reliability:

1 (reliable without restriction)

Data source

Reference

Reference Type:

study report

Title:

Unnamed

Year:

2018

Report date:

2018

Materials and methods

Test guideline

Test guideline 1

Qualifier:

according to guideline

Guideline:

EU Method A.2 (Boiling Temperature)

Deviations:

no

Test guideline 2

Qualifier:

according to guideline

Guideline:

OECD Guideline 103 (Boiling Point/Boiling Range)

Deviations:

no

GLP compliance:

yes (incl. QA statement)

Type of method:

differential scanning calorimetry

Test material

Test material information

Constituent 1

Reference substance name:

Oleic acid, compound with 2-amino-2-methylpropan-1-ol (1:1)

EC Number:

268-793-8

EC Name:

Oleic acid, compound with 2-amino-2-methylpropan-1-ol (1:1)

Cas Number:

68140-41-0

Molecular formula:

C18H34O2.C4H11NO

IUPAC Name:

oleic acid, compound with 2-amino-2-methylpropan-1-ol (1:1)

Specific details on test material used for the study:

Identification: Oleic AMP
CAS No: 68140-41-0
Appearance/Physical state: Yellow paste
Batch: Lab 4436
Purity: 100%
Expiry date: 21 February 2018
Storage conditions: Room temperature, in the dark

Results and discussion

Boiling point

Key result

Boiling pt.:

180 °C

Atm. press.:

102.8 kPa

Decomposition:

yes

Decomp. temp.:

ca. 272 °C

Any other information on results incl. tables

Results

The thermograms for determinations 1 to 2 are shown in Figure 3 and Figure 4 (Please see attachment) and in the following table:

Thermographic Data

Thermal Event		Interpretation		Temperature
			Determination 1			Determination 2
			ºC		K		ºC		K
Endotherm peak		Phase transition – melting	40.7		313.9		41.1		314.3
Endotherm peak		Phase transition – boiling	217.4		490.6		218.6		491.8
Endotherm peak		Decomposition	369.6		642.8		383.4		656.6

Atmospheric pressure: 102.1 kPa

After heating to 450 °C, the samples had lost approximately 98% of their original mass.

A brown stain remained around the periphery at the end of the test. This was considered to be due to boiling of the test item followed by decomposition with boiling.

The thermograms and thermographic data for determinations 3 and 4 are shown in Figure 5 and Figure 6 (Please see Attachment) and in the following table:

Thermal Event	Interpretation	Temperature
		Determination 3		Determination 4
		ºC	K	ºC	K
Endotherm peak	Phase transition –melting	39.1	312.3	39.1	312.3
Endotherm onset	Phase transition – onset of boiling / loss of volatiles	179.7	452.9	181.2	454.4

Mean Boiling Temperature: From approximately 180°C (453K)

Atmospheric pressure: 102.8 kPa

After heating to280°C, the samples had lost approximately 21% of their original mass.

A yellow liquid remained around the periphery at the end of the test. This was considered to be due to incomplete boiling of the test item.

Applicant's summary and conclusion

Conclusions:

The test item was determined to partially boil from approximately 180 °C (453 K) at 102.8 kPa. Decomposition and loss of volatiles was indicated from approximately 272 °C (545 K).

Executive summary:

The determination was carried out by differential scanning calorimetry, using a procedure designed to be compatible with Method A.2 Boiling Temperature of Commission Regulation (EC) No 440/2008 of 30 May 2008 and Method 103 of the OECD Guidelines for Testing of Chemicals, 27 July 1995.

Conclusion

The test item was determined to partially boil from approximately 180°C(453K)at 102.8 kPa. Decomposition and loss of volatiles was indicated from approximately 272°C(545 K). 

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