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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
27 May - 02 September 2010
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Conducted according to OECD guidelines and GLP

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2010
Report date:
2010

Materials and methods

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

Test material

Constituent 1
Reference substance name:
Diisoamyl phthalate
IUPAC Name:
Diisoamyl phthalate
Details on test material:
- Name of test material (as cited in study report): Diisoamyl phthalate

- Substance type: organic
- Physical state: liquid
- Analytical purity: 100%


- Lot/batch No.: 7920-1-1
- Expiration date of the lot/batch:12 August 2012

- Storage condition of test material: room temperature in the dark

Results and discussion

Surface tension
Surface tension:
58 mN/m
Temp.:
20 °C
Conc.:
90 vol%
Remarks on result:
other: Harkins-Jordan* corrected value

Any other information on results incl. tables

Overall mean calibration corrected surface tension = 60.0 mN/m

Harkins-Jordan corrected value = 58.0 mN/m

Time

Surface tension (mN/m)

(minutes)

Measured

Calibration corrected

 

A

B

A

B

 

 

 

 

 

0

59.0

63.0

58.5

62.5

5

61.0

61.5

60.5

61.0

10

60.0

60.0

59.5

59.5

15

59.5

60.5

59.0

60.0

20

59.5

60.5

59.0

60.0

25

59.0

61.0

58.5

60.5

30

60.0

61.0

59.5

60.5

 

 

 

 

 

Applicant's summary and conclusion

Conclusions:
The surface tension of a 90% saturated aqueous solution of Diisoamyl phthalate was found to be 58.0 mN/m. As the result was less than 60 mN/m, the test substance was considered to be surface active.