N,N'-diphenyl-N,N'-bis(3-methylphenyl)-(1,1'-diphenyl)-4,4'-diamine

Surface tension

Administrative data

Endpoint:

surface tension

Type of information:

experimental study

Adequacy of study:

key study

Study period:

1992

Reliability:

2 (reliable with restrictions)

Rationale for reliability incl. deficiencies:

other: well documented and scientfically acceptable

Data source

Reference

Reference Type:

study report

Title:

Unnamed

Year:

1992

Materials and methods

Test guideline

Qualifier:

equivalent or similar to guideline

Guideline:

EU Method A.5 (Surface Tension)

Deviations:

yes

Remarks:

(Determination of surface tension was carried out over a temperature range of +/-1.1°C (not +/-0.5°C as specified)

Principles of method if other than guideline:

The surface tension result was not corrected using the Harkins-Jordan table.

GLP compliance:

yes (incl. QA statement)

Type of method:

ring method

Test material

Test material information

Constituent 1

Reference substance name:

N,N'-diphenyl-N,N'-bis(3-methylphenyl)-(1,1'-diphenyl)-4,4'-diamine

EC Number:

413-810-8

EC Name:

N,N'-diphenyl-N,N'-bis(3-methylphenyl)-(1,1'-diphenyl)-4,4'-diamine

Cas Number:

65181-78-4

Molecular formula:

C38H32N2

IUPAC Name:

N4,N4'-bis(3-methylphenyl)-N4,N4'-diphenyl-[1,1'-biphenyl]-4,4'-diamine

Details on test material:

Name of test material: N4,N4'-Diphenyl-N4,N4'-di-m-tolyl-biphenyl-4,4'-diamine RXSS/91/404
Physical state: white powder
Lot/batch No.: 0119

Results and discussion

Surface tension

Surface tension:

72.3 mN/m

Temp.:

21.9 °C

Conc.:

0.242 mg/L