2-[7-(diethylamino)-2-oxo-2H-1-benzopyran-3-yl]-1,3-dimethyl-1H-benzimidazolium chloride

Density

Administrative data

Endpoint:

density, other

Remarks:

Density

Type of information:

experimental study

Adequacy of study:

key study

Study period:

27/5/2016-27/5/2016

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.

Data source

Reference

Reference Type:

study report

Title:

Unnamed

Year:

2016

Report date:

2016

Materials and methods

Test guideline

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 2-[7-(diethylamino)-2-oxo-2H-1-benzopyran-3-yl)-1,3-dimethyl-1H-benzimidazolium chlorine (CAS No. 29556-33-0) 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

Test material

Test material information

Constituent 1

Reference substance name:

2-[7-(diethylamino)-2-oxo-2H-1-benzopyran-3-yl]-1,3-dimethyl-1H-benzimidazolium chloride

EC Number:

249-694-9

EC Name:

2-[7-(diethylamino)-2-oxo-2H-1-benzopyran-3-yl]-1,3-dimethyl-1H-benzimidazolium chloride

Cas Number:

29556-33-0

Molecular formula:

C22H24N3O2.Cl

IUPAC Name:

2-[7-(diethylamino)-2-oxo-2H-chromen-3-yl]-1,3-dimethyl-2,3-dihydro-1H-3,1-benzimidazol-1-ium chloride

Test material form:

solid: particulate/powder

Details on test material:

- Name of test material (as cited in study report): 2-[7-(diethylamino)-2-oxo-2H-1-benzopyran-3-yl]-1,3-dimethyl-1H-benzimidazolium chloride
- Molecular formula: C22H24N3O2.Cl
- Molecular weight: 397.904 g/mol
- Smiles notation: c1([n+](c2c(n1C)cccc2)C)c1c(oc2c(c1)ccc(c2)N(CC)CC)=O.[ClH-]
- InChl: 1S/C22H24N3O2.ClH/c1-5-25(6-2)16-12-11-15-13-17(22(26)27-20(15)14-16)21-23(3)18-9-7-8-10-19(18)24(21)4;/h7-14H,5-6H2,1-4H3;1H/q+1;/p-1
- Substance type: Organic
- Physical state: Solid

Specific details on test material used for the study:

- Name of test material (as cited in study report): 2-[7-(diethylamino)-2-oxo-2H-1-benzopyran-3-yl]-1,3-dimethyl-1H-benzimidazolium chloride
- Molecular formula (if other than submission substance): C22H24N3O2.Cl
- Molecular weight (if other than submission substance): 347.4159
- Smiles notation (if other than submission substance): c1(c2c(oc3c(c2)ccc(N(CC)CC)c3)=O)nc2ccccc2n1C
- InChl (if other than submission substance): 1S/C21H21N3O2/c1-4-24(5-2)15-11-10-14-12-16(21(25)26-19(14)13-15)20-22-17-8-6-7-9-18(17)23(20)3/h6-13H,4-5H2,1-3H3
- Substance type: Organic
- Physical state: Solid

Results and discussion

Density

Density 1

Key result

Type:

pour density

Density:

0.465 g/cm³

Temp.:

32 °C

Remarks on result:

other: at 969.1 hPa atmospheric pressure

Density 2

Key result

Type:

tap density

Density:

0.555 g/cm³

Temp.:

32 °C

Remarks on result:

other: at 969.1 hPa atmospheric pressure

Any other information on results incl. tables

TEST ITEM DESCRIPTION AND RESULTS

Method Details		Observations		Remarks if, any
Guideline	OECD 109	1^stReading	2^ndReading
Method	Test methods: Pour density and tapped density of powders”recommended inThe International Pharmacopoeia, Fourth Edition, 2014[1]
Principle of method	Pour Density:It is the ratio of known weight of test 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)	-	32.5	31.6
Atmospheric pressure (in hPa)	-	968.6 hPa	969.6 hPa
Weight of test item(m)		20 g	20 g
Volume of measuring cylinder; readability in g		250 ml; 2 ml	250ml; 2 ml
Volume of test item without tapping (V)		44 ml	42 ml
Volume of test item after tapping ( V1)	After 10 tapping	40 ml	38 ml
	After 50 tapping	36 ml	36 ml
	After 100 tapping	36ml	36ml
	After 250 tapping	----	------
	After 500 tapping	-------	--------
	After 750 Tapping	-------	------

Applicant's summary and conclusion

Conclusions:

The mean pour density and tapped density of the test item 2-[7-(diethylamino)-2-oxo-2H-1-benzopyran-3-yl)-1,3-dimethyl-1H-benzimidazolium chlorine (CAS No. 29556-33-0) was found to be 0.4653 g/cm3 and 0.5555 g/cm3 at 32.0°C and 969.1hPa.

Executive summary:

The mean density of test item2-[7-(diethylamino)-2-oxo-2H-1-benzopyran-3-yl)-1,3-dimethyl-1H-benzimidazolium chlorine (CAS No. 29556-33-0)was determined following OECD Guideline 109 and according to theOECD guideline 109 and according to themethod recommended in the International Pharmacopoeia, fourth Edition, 2014using bulk density apparatus.The mean pour density and tapped density of the test item was found to be 0.4653g/cm³and  0.5555 g/cm³at 32.0 °C and  969.1hPa.