1,3-Benzenedimethanamine, reaction products with glycidyl tolyl ether

Surface tension

Link to relevant study record(s)

Reference

Endpoint:

surface tension

Type of information:

experimental study

Adequacy of study:

key study

Study period:

This study was conducted between 01 June 2017 and 21 October 2017

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

other: The study is considered to be a reliability 1 as it has been conducted according to OECD 115 using the ring method and in compliance with GLP.

Qualifier:

according to guideline

Guideline:

OECD Guideline 115 (Surface Tension of Aqueous Solutions)

Qualifier:

according to guideline

Guideline:

EU Method A.5 (Surface Tension)

Version / remarks:

EC No. 440/2008 of 28 May 2008

Deviations:

no

GLP compliance:

yes (incl. QA statement)

Type of method:

ring method

Specific details on test material used for the study:

Information as provided by the Sponsor.
Identification: 1,3-Benzenedimethanamine, reaction products with glycidyl tolyl ether
Appearance/Physical state: clear, colorless, viscous liquid
Batch: WA 1508
Purity: 100% UVCB
Expiry date: 01 January 2021
Storage conditions: room temperature, in the dark

Key result

Surface tension:

55.8 mN/m

Temp.:

20 °C

Conc.:

90 other: % Saturated solution

The readings, times and temperatures for the sample solutions are shown in the following tables:

  Sample 1

Time (mins)	Reading (mN/m)	Temperature (°C)
70	55.0	20.0
86	55.5	20.0
96	56.0	20.0
106	56.0	20.0
116	55.5	20.2
125	56.0	20.2

  Sample 2

Time (mins)	Reading (mN/m)	Temperature (°C)
142	56.5	20.2
195	56.0	20.2
206	56.0	20.2
216	55.5	20.2
226	55.5	20.2
237	56.0	20.2

Mean Sample 1 result:          55.8mN/m*               

Mean Sample 2 result:          55.8mN/m*

Mean result                :          55.8mN/m

pH of Sample 1         :          9.9

pH of Sample 2         :          9.9

Overall temperature   :          20.0 ± 0.5ºC

* Final five sample solution surface tension value readings considered as a constant plateau and used in the calculation of the mean.

Conclusions:

The mean surface tension of a duplicate solutions of test item in water, prepared at 90 % saturated concentration, has been determined to be 55.8 mN/m at 20.0 ± 0.5 °C. The test item was considered to be surface-active.

Executive summary:

The general physico-chemical properties of 1,3-Benzenedimethanamine, reaction products with glycidyl tolyl ether have been determined. 

Surface Tension. 55.8mN/m (mean value from duplicate 90 % saturated solutions of test item in water) at 20.0 ± 0.5 °C,determined using a ring method designed to be compatible with Method A5 Surface Tension of Commission Regulation (EC) No 440/2008 of 30 May 2008 and Method 115 of the OECD Guidelines for Testing of Chemicals, 27 July 1995. The test item was considered to be surface-active.

Description of key information

Surface Tension. 55.8 mN/m (mean value from duplicate 90 % saturated solutions of test item in water) at 20.0 ± 0.5 °C

Key value for chemical safety assessment

Surface tension:

55.8

Additional information

Surface Tension. 55.8 mN/m (mean value from duplicate 90 % saturated solutions of test item in water) at 20.0 ± 0.5 °C, determined using a ring method designed to be compatible with Method A5 Surface Tension of Commission Regulation (EC) No 440/2008 of 30 May 2008 and Method 115 of the OECD Guidelines for Testing of Chemicals, 27 July 1995. The test item was considered to be surface-active.