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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Administrative data

Endpoint:
surface tension
Type of information:
experimental study
Adequacy of study:
key study
Study period:
11 September 2017 - 20 October 2017
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2018
Report date:
2018

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
EU Method A.5 (Surface Tension)
Version / remarks:
2008
Deviations:
no
Qualifier:
according to guideline
Guideline:
OECD Guideline 115 (Surface Tension of Aqueous Solutions)
Version / remarks:
1995
Deviations:
no
GLP compliance:
yes
Type of method:
OECD harmonised ring method

Test material

Constituent 1
Chemical structure
Reference substance name:
(2S)-5-methoxy-N-propyl-1,2,3,4-tetrahydronaphthalen-2-aminium chloride
EC Number:
695-797-0
Cas Number:
93601-86-6
Molecular formula:
C14H21NO.HCl
IUPAC Name:
(2S)-5-methoxy-N-propyl-1,2,3,4-tetrahydronaphthalen-2-aminium chloride
Test material form:
solid: particulate/powder
Details on test material:
- Appearance: White to off-white powder
- Storage condition of test material: At room temperature

Results and discussion

Surface tension
Key result
Surface tension:
68.7 mN/m
Temp.:
20 °C
Conc.:
1 g/L

Any other information on results incl. tables

Table: Surface tension measurements

Measurement

Time passed after transfer test solution to test vessel
[minutes]

Surface tension
(mN/m)

individual

mean (1)

mean (2)

1

15

66.1

68.2

68.7

2

16

68.0

 

 

3

17

68.1

 

 

4

18

68.3

 

 

5

19

68.4

 

 

6

20

68.3

 

 

(1) Mean calculated from measurements 2 to 6, after equilibrium was reached.

(2) Mean multiplied by the calibration factor and Harkins-Jordan corrected.

Applicant's summary and conclusion

Conclusions:
The surface tension of an aqueous substance solution at 1 g/L was determined to be 68.7 mN/m (at 20°C).

Executive summary:

Using the OECD harmonized ring method in a GLP study according to EC A.5 and OECD 115, the surface tension of an aqueous substance solution at 1 g/L was determined to be 68.7 mN/m (at 20°C). According to the EC A.5 guideline the substance is not surface active.