Methyl 2-naphthyl ether

Density

Link to relevant study record(s)

Reference

Endpoint:

density, other

Remarks:

density

Type of information:

experimental study

Adequacy of study:

key study

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)

Qualifier:

according to guideline

Guideline:

other: ASTM D 854-02

GLP compliance:

no

Type of method:

pycnometer method

Key result

Type:

density

Density:

0.898 g/cm³

Temp.:

20 °C

Remarks on result:

other: at 976.65 hPa

Method Details		Observations		Remarks if, any
Guideline	OECD 109	1^stReading	2nd Reading
Method	Adapted from ASTM D854-02
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 waterat a stated temperature.
Test temperature (°C)	-	20°C	20°C
Density of water at test temperature; g/cm³ (ρtw)		0.9982	0.9982
Atmospheric pressure (in hPa)	-	977.5	975.8
Weight of empty dry pyknometer (Wp)		31.114	29.100
Weight of pyknometer filled with water (WA)		80.755	78.654
Weight of pyknometer + test Item (WPS)		41.010	38.651
Weight of pyknometer +test Item+ water (WB)		78.568	78.455

*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 Pyknometer:

	Calculated values
	1st Calculation	2nd Calculation
Wo=WPS-WP	9.8960	9.5510
(WA-WB)	2.1870	0.1990
Specific Gravity = WO/[WO +(WA-WB)]	0.8190	0.9795
Specific Gravity; Gs	0.8190	0.9795
Density (g/cm³)	0.8175	0.9777
Mean Density (g/cm³)	0.8982

 

Conclusions:

The density of test chemical was determined following OECD guideline 109 and according to the method adapted from ASTM D 854-02. The mean density of the test chemical was determined to be 0.8982 g/cm³ at 20°C and 976.65 hPa.

Executive summary:

The density of test chemical was determined following OECD Guideline 109 (Density of Liquids and Solids) and according to the method adapted from ASTM D 854-02 using glass pyknometer. The mean density of the test chemical was determined to be 0.8982 g/cm³ at 20°C and 976.65 hPa.

Description of key information

Based on the available data from study report,the density of test chemical was determined following OECD Guideline 109 (Density of Liquids and Solids) and according to the method adapted from ASTM D 854-02 using glass pyknometer. The mean density of the test chemical was determined to be 0.8982 g/cm³ at 20°C and 976.65 hPa.

Key value for chemical safety assessment

Relative density at 20C:

0.898

Additional information

Based on the available data from study report,the density of test chemical was determined following OECD Guideline 109 (Density of Liquids and Solids) and according to the method adapted from ASTM D 854-02 using glass pyknometer. The mean density of the test chemical was determined to be 0.8982 g/cm³ at 20°C and 976.65 hPa.

In a supporting study from handbook, the density of the test chemical was determined to be 0.9887 g/cm3 at 25°C.