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Physical & Chemical properties

Density

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Reference
Endpoint:
relative density
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2010-08-30 to 2010-09-02
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Guideline study
Qualifier:
according to
Guideline:
OECD Guideline 109 (Density of Liquids and Solids)
Qualifier:
according to
Guideline:
EU Method A.3 (Relative Density)
GLP compliance:
yes
Type of method:
pycnometer method
Type:
relative density
Density:
1.287
Temp.:
20 °C

The density of the test item 4-Aminophenol was determined to be 1.2870 g/cm3corresponding to 1287.0 kg/m3. The relative densityof the test item4-Aminophenol was calculated to be 1.2870.

1.1   Density of the Vehicle

 

Table1: Density of Saturated Test Item Solution in n-Heptane

Replicate

No. 1

No. 2

No. 3

 

VP

24.9265

24.9430

24.8405

 

mP

21.8745

22.1936

32.3567

 

mPCH

38.9012

39.2404

49.3318

 

TP

19.99

20.01

20.01

Mean Value
[g/cm3]

CV
[%]

rCH

00.6831

00.6834

00.6834

0.6833

0.021

 

1.2   Density of 4-Aminophenol

 

Table2: Density of 4-Aminophenol

Replicate

No. 1

No. 2

No. 3

 

VP

24.9265

24.9430

24.8405

 

mP

21.8747

22.1940

32.3569

 

mPTI

24.8771

25.1915

35.4381

 

mTI

03.0024

02.9975

03.0812

 

mF

40.3033

40.6588

50.7723

 

mCH

15.4262

15.4673

15.3342

 

VCH

22.5760

22.6362

22.4414

 

TP

20.02

20.02

19.99

 

VTI

02.3505

02.3068

02.3991

Mean Value
[g/cm3]

CV
[%]

rTI

01.2773

01.2994

01.2843

1.2870

0.72

VP     =   Volume of the calibrated pycnometer [cm3]

mP    =   Mass of the empty pycnometer [g]

mPCH =   Mass of the full pycnometer (filled with vehicle) [g]

TP        =   Temperature of the pycnometer at point of measurement [°C]

rcH    =   Density of the vehicle [g/cm3]

mPTI  =   Mass of the pycnometer filled with test item [g]

mTI    =   Mass of the test item in pycnometer [g]

mF    =   Mass of the full pycnometer (filled with test item and vehicle) [g]
mCH
  =   Mass of the vehicle in pycnometer [g]

VCH   =   Volume of the vehicle [g/cm3]

VTI    =   Volume of the test item [cm3]

rTI     =   Density of the test item [g/cm3]

                     CV    =   Coefficient of variation [%]


Conclusions:
The relative density of the test item 4-Aminophenol was calculated to be 1.2870.

Description of key information

Key experimental results reported relative density as 1.287 g/cm3

Key value for chemical safety assessment

Relative density at 20C:
1.287

Additional information