1-Decanaminium, N-decyl-N,N-dimethyl-, hexanedioate (2:1)

Vapour pressure

Administrative data

Endpoint:

vapour pressure

Type of information:

experimental study

Adequacy of study:

key study

Study period:

From 18 November 2016 to 23 March 2017

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

guideline study

Data source

Reference

Reference Type:

study report

Title:

Unnamed

Year:

2017

Report date:

2017

Materials and methods

Test guideline

Test guideline 1

Qualifier:

according to guideline

Guideline:

EU Method A.4 (Vapour Pressure)

Version / remarks:

2009

Deviations:

no

Test guideline 2

Qualifier:

according to guideline

Guideline:

OECD Guideline 104 (Vapour Pressure Curve)

Version / remarks:

2006

Deviations:

no

Test guideline 3

Qualifier:

according to guideline

Guideline:

EPA OPPTS 830.7950 (Vapor Pressure)

Version / remarks:

1996

Deviations:

no

GLP compliance:

yes

Type of method:

effusion method: isothermal thermogravimetry

Test material

Test material information

Constituent 1

Reference substance name:

Reference substance 001

Cas Number:

210420-85-2

Constituent 2

Reference substance name:

N-methyldidecylamine

EC Number:

230-990-1

EC Name:

N-methyldidecylamine

Cas Number:

7396-58-9

Molecular formula:

C21H45N

IUPAC Name:

N-decyl-N-methyldecan-1-amine

Constituent 3

Reference substance name:

Water

EC Number:

231-791-2

EC Name:

Water

Cas Number:

7732-18-5

Molecular formula:

H2O

IUPAC Name:

Dihydrogen oxide

impurity 1

Reference substance name:

Unknown impurities

Molecular formula:

Not available

IUPAC Name:

Unknown impurities

Test material form:

solid

Details on test material:

- Appearance: Slightly yellow gel
- Storage conditions: At room temperature; container flushed with nitrogen

Results and discussion

Vapour pressure

Vapour pressure 1

Key result

Temp.:

25 °C

Vapour pressure:

0 Pa

Vapour pressure 2

Key result

Temp.:

20 °C

Vapour pressure:

0 Pa

Any other information on results incl. tables

Table: Results of the isothermal TGA analysis (test substance)

 

Temperature [°C]	Weight loss [µg/min]	vT [g/cm2/h]	log vT	log PT	PT [Pa]
100	1.72023	2.05 E-04	-3.69	0.01	1.0
	1.83678	2.19 E-04	-3.66	0.05	1.1
105	2.83939	3.39 E-04	-3.47	0.30	2.0
	2.84601	3.40 E-04	-3.47	0.30	2.0
110	5.48715	6.55 E-04	-3.18	0.69	4.9
	5.63934	6.73 E-04	-3.17	0.70	5.0
115	10.7240	1.28 E-03	-2.89	1.08	12
	10.4293	1.24 E-03	-2.90	1.06	12

 

Applicant's summary and conclusion

Conclusions:

The vapour pressure at 25°C was determined to be 1.4E-07 Pa.
The vapour pressure at 20°C was determined to be 3.6E-08 Pa.

Executive summary:

The vapour pressure of the substance was determined using the isothermal thermogravimetric effusion method in a GLP study according to EC A.4, OECD 104 and OPPTS 830.7950. The vapour pressure at 25°C was determined to be 1.4E-07 Pa. The vapour pressure at 20°C was determined to be 3.6E-08 Pa.