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Density

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Reference
Endpoint:
density
Remarks:
density
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2016-11-22 – 2016-11-22
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Justification for type of information:
Experimental result performed using standard methods of analysis
Qualifier:
according to guideline
Guideline:
OECD Guideline 109 (Density of Liquids and Solids)
Principles of method if other than guideline:
The density is calculated from the difference in weight between the full and empty pycnometer and its volume
GLP compliance:
no
Type of method:
pycnometer method
Specific details on test material used for the study:
Name of test material (as cited in study report): 3-nitroacetophenone
Molecular formula :C8H7NO3
Molecular weight : 165.147
Smiles notation : c1(cc(ccc1)[N+](=O)[O])
C(C)=O
InChl :1S/C8H7NO3/c16(10)73248(57)
9(11)12/h25H,1H3
Substance type: Organic
Physical state: Solid
Key result
Type:
density
Density:
1.252 g/cm³
Temp.:
20 °C

Method Details

Observations

Remarks if, any

Guideline

OECD 109

1stReading

2nd Reading

 

 

 

Method

Adapted from ASTM 854-02

 

 

 

Principle of method

The density of test item is determined by using pyknometer. It is the ratio of mass of the unit volume of test item at a stated temperature to mass of the same volume of gas free distilled water at a stated temperature.

 

 

 

Test temperature (°C)

-

20oC

20oC

 

Atmospheric pressure (in hPa)

-

978.0

976.2

 

Weight of empty dry pyknometer (Wp)

 

31.051

29.199

 

Weight of pyknometer filled with water (WA)

 

81.359

79.760

 

Weight of pyknometer + test Item (WPS)

 

35.963

34.106

 

Weight of pyknometer +test Item+ water (WB)

 

82.753

80.287

 

 

 

CALCULATIONS:

 

Calculated values

1st Calculation

2nd Calculation

 

Wo=WPS-WP

 

4.912

 

4.907

 

(WA-WB)

 

-1.394

 

-0.527

 

Specific gravity = WO/[WO+ (WA-WB)]

4.912/[4.907-1.394]

4.907/[4.907-0.527]

 

Specific Gravity; Gs

1.396 x0.9982

1.120 x0.9982

Density (g/cm³)

1.393

1.117

Mean Density (g/cm³)

   1.252

Conclusions:
The density of substance 3'-nitroacetophenone (CAS No. 121-89-1)was determined following OECD Guideline 109 and according to the method adapted from ASTM D854-02 using glass pyknometer. The mean density of the 3'-nitroacetophenone was determined to be 1.252 g/cm³ at 20 °C and 977.1 hPa.
Executive summary:

The density of substance 3'-nitroacetophenone (CAS No. 121-89-1)was determined following OECD Guideline 109 and according to the method adapted from ASTM D854-02 using glass pyknometer. The mean density of the 3'-nitroacetophenone was determined to be 1.252 g/cm³ at 20 °C and 977.1 hPa.

Description of key information

The density of substance 3'-nitroacetophenone (CAS No. 121-89-1)was determined following OECD Guideline 109 and according to the method adapted from ASTM D854-02 using glass pyknometer. The mean density of the 3'-nitroacetophenone was determined to be 1.252 g/cm³ at 20 °C and 977.1 hPa.

Key value for chemical safety assessment

Relative density at 20C:
1.252

Additional information

The density of substance 3'-nitroacetophenone (CAS No. 121-89-1)was determined following OECD Guideline 109 and according to the method adapted from ASTM D854-02 using glass pyknometer. The mean density of the 3'-nitroacetophenone was determined to be 1.252 g/cm³ at 20 °C and 977.1 hPa.