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Diss Factsheets

Physical & Chemical properties

Density

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Reference
Endpoint:
density, other
Remarks:
pour density and tapped density
Type of information:
experimental study
Adequacy of study:
key study
Study period:
28-02-2018 – 28-02-2018
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Justification for type of information:
Experimental test result performed using standard OECD test guidelines
Qualifier:
according to guideline
Guideline:
OECD Guideline 109 (Density of Liquids and Solids)
Principles of method if other than guideline:
The density of Test item was determined following OECD guideline 109 and according to the method recommended in the International Pharmacopoeia, fourth Edition, 2014.
GLP compliance:
no
Type of method:
pycnometer method
Specific details on test material used for the study:
- Name of test material : Disperse Yellow 201
- IUPAC name : (4-{[2-(4-cyclohexylphenoxy)ethyl](ethyl)amino}-2-methylbenzylidene)malononitrile / Solvent Yellow 179
- Molecular formula): C27H31N3O
- Molecular weight :413.562 g/mol
- Smiles notation : N#C\C(C#N)=C/c1c(cc(N(CCOc2ccc(cc2)C2CCCCC2)CC)cc1)C
- InChl: 1S/C27H31N3O/c1-3-30(26-12-9-25(21(2)17-26)18-22(19-28)20-29)15-16-31-27-13-10-24(11-14-27)23-7-5-4-6-8-23/h9-14,17-18,23H,3-8,15-16H2,1-2H3
- Substance type:Organic
- Physical state:Solid
Key result
Type:
pour density
Density:
0.69 g/cm³
Temp.:
31 °C
Remarks on result:
other: at 976.8 hPa pressure
Key result
Type:
tap density
Density:
0.742 g/cm³
Temp.:
31 °C
Remarks on result:
other: at 976.8 hPa pressure

TEST ITEM DESCRIPTION AND RESULTS

 

FOR SOLIDS:

By Pour Density and Tapped Density Method:

 

Method Details

Observations

Remarks if,

any

Guideline

OECD 109

1st

2ndReading

 

 

 

Reading

 

 

 

 

 

Method

Test methods: Pour density

 

 

 

and tapped density of

 

powders” recommended in

 

The International

 

Pharmacopoeia, Fourth

 

Edition, 2014

Principle of method

Pour Density:It is the ratio

 

 

 

ofknownweight oftest item

 

and its volume in graduated

 

glass cylinder.

 

Tap Density:It is the

 

difference between the

 

volume of test item

 

measured before & after

 

tapping in the graduated

 

glass cylinder.

Test temperature (°C)

-

30°C

32°C

Atmospheric

-

978.4

975.3

pressure (in hPa)

 

 

 

Weight of test

 

20

20

item(m)

 

 

Volume of measuring

 

250 ml;2 ml

25 ml;2 ml

cylinder; readability

 

 

in g

 

 

Volume of test item

 

30

28

without tapping (V)

 

 

Volume of test item

After 10 tapping

28

26

after tapping ( V1)

 

 

 

 

After 50 tapping

28

26

 

After 100 tapping

-

-

 

After 250 tapping

-

-

 

After 500 tapping

-

-

 

After 750 Tapping

-

-

*ρat=density of air at 27°C and 760 mm Hg pressure=0.001168 g/cm³

**Density of water referred from the Table 1 of the was method.

CALCULATIONS:

 FOR SOLIDS:

By Pour Density and Tapped Density Method:

 

Parameters

 

Details

Calculated values

Average Density

1st Calculation

2nd Calculation

Pour Density of test Item (g/cm³)

=mV

0.6666

0.7142

0.6904

Tap density of test Item (g/cm³)

=mV1

0.7142

0.7692

0.7417

 

Conclusions:
The mean pour density and tapped density of test chemical was determine to be 0.6904 g/cm³ and 0.7417 g/cm³ at 31 °C and 976.8 hPa.
Executive summary:

The density of test item was determined following OECD Guideline 109 and according to the Test methods: Pour density and tapped density of powders” recommended in The International Pharmacopoeia, Fourth Edition, 2014 using bulk density apparatus.The mean pour density and tapped density of test item was determine to be 0.6904 g/cm³ and 0.7417 g/cm³ at 31 °C and 976.8 hPa.

Description of key information

The mean pour density and tapped density of test chemical was determine to be 0.6904 g/cm³ and 0.7417 g/cm³ at 31 °C and 976.8 hPa.

Key value for chemical safety assessment

Additional information

The density of test item was determined following OECD Guideline 109 and according to the Test methods: Pour density and tapped density of powders” recommended in The International Pharmacopoeia, Fourth Edition, 2014 using bulk density apparatus.The mean pour density and tapped density of test item was determine to be 0.6904 g/cm³ and 0.7417 g/cm³ at 31 °C and 976.8 hPa.