2-Propenoic acid, 2-[2-(ethenyloxy)ethoxy]ethyl ester

Surface tension

Link to relevant study record(s)

Reference

Endpoint:

surface tension

Type of information:

experimental study

Adequacy of study:

key study

Study period:

8th February 2006 to the 16th July 2006.

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

other: Study conducted in compliance with agreed protocols, with no or minor deviations from standard test guidelines and/or minor methodological deficiencies, which do not affect the quality of relevant results.

Qualifier:

according to guideline

Guideline:

EU Method A.5 (Surface Tension)

Deviations:

no

Qualifier:

according to guideline

Guideline:

OECD Guideline 115 (Surface Tension of Aqueous Solutions)

Deviations:

no

GLP compliance:

yes (incl. QA statement)

Remarks:

Date of inspection: between April 22, 25 to the 29th of April. Date of signature: November 2005

Type of method:

ring method

Surface tension:

63.4 mN/m

Temp.:

20.8 °C

Conc.:

90 other: % of saturated concentration

 

Table 1: Determination of the Calibration Factor Using Water

 

Time expired [hours : min]	Temperature [°]	Surface tension [mN/m]		Calibration factor (φb)
		measured	Mean value (σg)
00:32	20.2	70.6	70.5	1.0315
00:33	20.2	70.6
00:34	20.2	70.6
00:35	20.2	70.5
00:36	20.2	70.4
00:37	20.2	70.3

  

with

σ_o= 72.72 mN/m at 20.2°C

φ_b= σ_o/ σ_g

φ_b= 72.72 / 70.50 = 1.0315

where

φ_b= calibration factor

σ_o= the surface tension of water at the test temperature

σ_g= measured value of the surface tension of water

at the test temperature

 

  Table 2: Determination of Surface Tension for the Test Item Solution

 

Time expired	Temperature °C	Surface tension [mN/m]
		measured	Mean value	Mean value corrected for calibration	σ1  corrected for Harkins - Jordan
First sample
00:32	20.8	62.3	62.12	64.07	63.50
00:33	20.8	62.3
00:34	20.8	62.2
00:36	20.8	62.1
00:37	20.8	62.0
00:38	20.8	61.8
Second sample
00:36	20.8	62.3	61.93	63.88	63.3
00:37	20.8	62.1
00:38	20.8	61.8
00:39	20.8	61.8
00:40	20.8	61.8
00:42	20.8	61.8

 

Mean value from both samples:σ = 63.4 mN/m

with

σ* . φ_b= σ₁

φ_b= calibration factor = 1.0315

and

σ₁. F_c= σ

F_c= factor for correction acc. to Harkins-Jordan

= 0.991 for 64.07 mN/m and for 63.88 mN/m

The calibration factor Φb was determined to be 1.0315 for double distilled water. The data are part of RCC's instruments' files and a copy is presented in the raw data of the present study.

Conclusions:

In conclusion, the surface tension of 2-(2-Vinyloxyethoxy)ethyl acrylate in water (90% of saturation concentration) was determined to be 63.4 m/N/m at 20.8 deg C.

Based on the criteria as outlined in the EEC Guideline, 2-(2-Vinyloxyethoxy)ethyl acrylate is not a surface active substance.

Executive summary:

In conclusion, the surface tension of 2 -(2 -Vinyloxyethoxy)ethyl acrylate in wtaer (90% of saturation concentration) was determined to be 63.4 mN/m at 20.8 deg C, in accordance with the OECD guidelines.

Based on the criteria as outlined in the EEC Guideline, 2-(2-Vinyloxyethoxy)ethyl acrylate is not a surface active substance.

Description of key information

The surface tension of 2-(2-Vinyloxyethoxy)ethyl acrylate in water (90% of saturation concentration) was determined to be 63.4 m/N/m at 20.8

°C.

Key value for chemical safety assessment

Surface tension:

63.4

Additional information

The determination of the surface tension of an aqueous solution of 2-(2-Vinyloxyethoxy)ethyl acrylate was based on the OECD Guideline No. 115: “Surface Tension of Aqueous Solutions“ (1995) and on the EEC Directive 92/69, Part A, Methods for the determination of physico-chemical properties, A.5 “Surface tension“.

The surface tension of 2-(2-Vinyloxyethoxy)ethyl acrylate in water (90 % of saturation concentration) was determined to be 63.4 mN/m at 20.8°C. The substance is not a surface active substance.