Reaction mass of Methanaminium, N-[4-[[4-(dimethylamino)phenyl]phenylmethylene]-2,5-cyclohexadien-1-ylidene]-N-methyl- & 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 Methanaminium, N-​[4-​[[4-​(dimethylamino)​phenyl]​phenylmethylene]​-​2,​5-​cyclohexadien-​1-​ylidene]​-​N-​methyl-​ & acetate- Molecular formula: C25H28N2O2- Molecular weight: 388.508 g/mole- Smiles : [N+](=C1/C=CC(\C=C1)=C(\c1ccccc1)c1ccc(cc1)N(C)C)(\C)C.C(C)(=O)[O-]- Inchl: 1S/C23H25N2.C2H4O2/c1-24(2)21-14-10-19(11-15-21)23(18-8-6-5-7-9-18)20-12-16-22(17-13-20)25(3)4;1-2(3)4/h5-17H,1-4H3;1H3,(H,3,4)/q+1;/p-1- Substance type: Organic- Physical state: maroon lustrous liquid

Key result

Type:

density

Density:

1.115 g/cm³

Temp.:

20 °C

Remarks on result:

other: no other details mentioned

TEST ITEM DESCRIPTION AND RESULTSFOR LIQUIDS:

By Pyknometer Method:

S. No.	Method Details		Observed Values
			1st Observation	2nd Observation
1	Guideline	OECD 109
2	Method	IS 4730 : 1994 (Reaffirmed 2010) – Method for Determination of Density of Liquids (First Revision)
3	Principle of Method	Determination of the mass at a given 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 temperature	(°C)	20°C	20°C
5	Atmospheric pressure	(hPa)	975.6	976.2
6	Weight of empty dry pyknometer(X)	g	29.463	30.123
7	Weight of pyknometer + test item(Y)	g	84.377	86.464
8	Apparent mass of test item(M1)	(M1 = Y - X)g	54.914	56.341
9	Weight of pyknometer + water(Z)	g	78.683	80.527
10	Apparentmassof water(M2)	(M2 = Z - X)g	49.22	50.404

11	Buoyancy correction(A)	A=(*ρat × M2)	0.0574	0.0588
12	Density of water** at test temperature	g/cm³ (ρtw)	0.9982	0.9982

*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
54.9714                            X 0.9982 = 1.1135g/cm³ 49.2774	56.3998                            X 0.9982 = 1.1156g/cm³ 50.4628
Average density	= 1.1145 g/cm³

 

Conclusions:

The mean density of Reaction mass of Methanaminium, N-​[4-​[[4-​(dimethylamino)​phenyl]​phenylmethylene]​-​2,​5-​cyclohexadien-​1-​ylidene]​-​N-​methyl-​ & acetate was found to be 1.1145 g/cm³ at 20°C and 975.9 hPa.

Executive summary:

The density of test item Reaction mass of Methanaminium, N-​[4-​[[4-​(dimethylamino)​phenyl]​phenylmethylene]​-​2,​5-​cyclohexadien-​1-​ylidene]​-​N-​methyl-​ & acetate was determined following OECD Guideline 109 and according toIS 4730 : 1994 (Reaffirmed 2010) – Method for Determination

of Density of Liquids (First Revision) using glass pyknometer. The mean density of test item was found to be1.1145 g/cm³ at 20°C and 975.9 hPa.

Description of key information

The mean density of Reaction mass of Methanaminium, N-​[4-​[[4-​(dimethylamino)​phenyl]​phenylmethylene]​-​2,​5-​cyclohexadien-​1-​ylidene]​-​N-​methyl-​ & acetate was found to be 1.1145 g/cm³ at 20°C and 975.9 hPa.

Key value for chemical safety assessment

Relative density at 20C:

1.115

Additional information

The density of test item Reaction mass of Methanaminium, N-​[4-​[[4-​(dimethylamino)​phenyl]​phenylmethylene]​-​2,​5-​cyclohexadien-​1-​ylidene]​-​N-​methyl-​ & acetate was determined following OECD Guideline 109 and according toIS 4730 : 1994 (Reaffirmed 2010) – Method for Determination

of Density of Liquids (First Revision) using glass pyknometer. The mean density of test item was found to be 1.1145 g/cm³ at 20°C and 975.9 hPa.