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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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 March - 11 May, 1995
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Study conducted according to method A5 as described in the EEC Methods for the determination of physicochemical properties, Directive 92/69/EEC

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1995

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
EU Method A.5 (Surface Tension)
Version / remarks:
92/69/EEC, L 383/A, 29.12.92
GLP compliance:
yes
Type of method:
OECD harmonised ring method

Test material

Constituent 1
Chemical structure
Reference substance name:
A mixture of: bis(1S,2S,4S)-(1-benzyl-4-tert-butoxycarboxamido-2-hydroxy-5-phenyl)pentylammonium succinate; isopropyl alcohol
EC Number:
414-810-0
EC Name:
A mixture of: bis(1S,2S,4S)-(1-benzyl-4-tert-butoxycarboxamido-2-hydroxy-5-phenyl)pentylammonium succinate; isopropyl alcohol
Cas Number:
144163-85-9
Molecular formula:
Empirical formula: C25H35N2O5
IUPAC Name:
butanedioic acid; propan-2-ol; bis(tert-butyl N-[(4R)-5-amino-4-hydroxy-1,6-diphenylhexan-2-yl]carbamate)

Results and discussion

Surface tensionopen allclose all
Surface tension:
55.4 mN/m
Temp.:
21 °C
Conc.:
1.023 g/L
Surface tension:
55.2 mN/m
Temp.:
21 °C
Conc.:
1.027 g/L

Any other information on results incl. tables

The surface tension of distilled water at 21°C was measured at 72.9mN/m.

Applicant's summary and conclusion

Conclusions:
The surface tension of a 1.0 g/l aqueous solution of A-88820.605 was 55.3 mN/m at 21°C