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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.

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Physical & Chemical properties

Surface tension

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Reference
Endpoint:
surface tension
Type of information:
experimental study
Adequacy of study:
key study
Study period:
From August 1, 2018 to August 7, 2018
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
guideline study with acceptable restrictions
Qualifier:
according to guideline
Guideline:
OECD Guideline 115 (Surface Tension of Aqueous Solutions)
Qualifier:
according to guideline
Guideline:
EU Method A.5 (Surface Tension)
Type of method:
plate method
Surface tension:
71.34 mN/m
Temp.:
20.5 °C
Conc.:
1.05 g/L

Table 1. Surface tension of an aqueous test substance solution at 20.5°C.

Measurement

Surface tension [mN/m]

measured

Mean

1

71.35

71.34

2

71.30

3

71.36

4

71.32

5

71.35
Conclusions:
According to EC A.5 and OECD 115 test method, the surface tension of a 1.05 g/L aqueous CR SB37 solution was 71.34 mN/m at 20.5°C.
Executive summary:

This test using the procedures outlined in the ECIC Study Plan for 180801-04, EC A.5 and OECD 115. The surface tension of a 1.05 g/L aqueous CR SB37 solution was 71.34 mN/m at 20.5°C.

Description of key information

The surface tension of a 1.05 g/L aqueous CR SB37 solution was 71.34 mN/m at 20.5°C (EC A.5 and OECD TG115).

Key value for chemical safety assessment

Surface tension:
71.34
in mN/m at 20°C and concentration in mg/L:
1 050

Additional information