Reaction mass of Diethyl[4-[[4-(diethylamino)phenyl]phenylmethylene]-2,5-cyclohexadien-1-ylidene]ammonium and acetate

Density

Link to relevant study record(s)

Reference

Endpoint:

density

Remarks:

density

Type of information:

experimental study

Adequacy of study:

key study

Study period:

16-03-2018 – 16-03-2018

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 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: Reaction mass of Ethanaminium, N-​[4-​[[4-​(diethylamino)​phenyl]​phenylmethylene]​-​2,​5-​cyclohexadien-​1-​ylidene]​-​N-​ethyl-​ & acetate
- Molecular formula: C29H36N2O2
- Molecular weight: 444.615 g/mole
- Substance type: Organic
- Physical state: maroon lustrous liquid

Key result

Type:

density

Density:

1.11 g/cm³

Temp.:

20 °C

Remarks on result:

other: (975.25 hPa pressure)

TEST ITEM DESCRIPTION AND RESULTS

  FOR LIQUIDS:

  By Pyknometer Method:

S.			Observed Values
	Method Details		1st	2nd
No.
			Observation	Observation
1	Guideline	OECD 109
2	Method	IS 4730 : 1994 (Reaffirmed 2010) –
		Method for Determination of Density
		of Liquids (First Revision)
3	Principle of	Determination of the mass at a given
	Method	temperature of a volume of the
		material contained in a density bottle
		(pyknometer) and determination of
		the volume of the latter by
		determining the mass of the
		corresponding volume of water at the
		same temperature. The density is
		obtained by dividing the mass of
		material by its volume.
4	Test	(°C)	20°C	20°C
	temperature
5	Atmospheric	(hPa)	974.9	975.6
	pressure
6	Weight of	g	29.538	30.982
	empty dry
	pyknometer(X)
7	Weight of	g	83.954	86.431
	pyknometer +
	test item(Y)
8	Apparent	(M1 = Y - X)g	54.416	55.449
	mass of test
	item(M1)
9	Weight of	g	78.012	81.342
	pyknometer +
	water(Z)
10	Apparent	(M2 = Z - X)g	48.474	50.36
	mass of water
	(M2)

11	Buoyancy	A=(*ρat × M2)	0.0566	0.0588
	correction(A)
12	Density of	g/cm³ (ρtw)	0.9982	0.9982
	water** at test
	temperature

*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 LIQUIDS

 

Density = (M1+A) X ρtw

(M2+A)

 1st calculated density                 2nd calculated density

 

54.4726                                                                                          55.5078

 

____________ X 0.9982 = 1.1204 g/cm³              ____________ X 0.9982 = 1.0989 g/cm³

 

48.5306                                                                                          50.4188

 

 Average density                     = 1.1096 g/cm³

 

Conclusions:

The pour density and tapped density of Reaction mass of Ethanaminium, N-​[4-​[[4-​(diethylamino)​phenyl]​phenylmethylene]​-​2,​5-​cyclohexadien-​1-​ylidene]​-​N-​ethyl-​ & acetate was found to be 1.1096 g/cm³ at 20°C and 975.25 hPa.

Executive summary:

The density of test item Reaction mass of Ethanaminium, N-​[4-​[[4-​(diethylamino)​phenyl]​phenylmethylene]​-​2,​5-​cyclohexadien-​1-​ylidene]​-​N-​ethyl-​ & acetate was determined following OECD Guideline 109 and according to the IS 4730 : 1994 (Reaffirmed 2010) – Method for Determination of Density of Liquids (First Revision) using pyknometer The mean density of the test item was found to be 1.1096 g/cm³ at 20°C and 975.25 hPa.

Description of key information

The pour density and tapped density of Reaction mass of Ethanaminium, N-​[4-​[[4-​(diethylamino)​phenyl]​phenylmethylene]​-​2,​5-​cyclohexadien-​1-​ylidene]​-​N-​ethyl-​ & acetate was found to be 1.1096 g/cm³ at 20°C and 975.25 hPa.

Key value for chemical safety assessment

Relative density at 20C:

1.11

Additional information

The density of test item Reaction mass of Ethanaminium, N-​[4-​[[4-​(diethylamino)​phenyl]​phenylmethylene]​-​2,​5-​cyclohexadien-​1-​ylidene]​-​N-​ethyl-​ & acetatewas determined following OECD Guideline 109 and according to the IS 4730 : 1994 (Reaffirmed 2010) – Method for

Determination of Density of Liquids (First Revision) using pyknometer The mean density of the test item was found to be 1.1096 g/cm³ at 20°C and 975.25 hPa.