1-Naphthalenesulfonic acid, 6-diazo-5,6-dihydro-5-oxo-, ester with phenyl(2,3,4-trihydroxyphenyl)methanone

Density

Administrative data

Endpoint:

density

Remarks:

density

Type of information:

experimental study

Adequacy of study:

key study

Study period:

23 Jul - 31 Jul 2014

Reliability:

1 (reliable without restriction)

Cross-reference

Reason / purpose for cross-reference:

reference to other study

Reference

Endpoint:

appearance / physical state / colour

Type of information:

experimental study

Adequacy of study:

key study

Reliability:

2 (reliable with restrictions)

Rationale for reliability incl. deficiencies:

other: Basic data given (comparable to guidelines/standards)

Reason / purpose for cross-reference:

reference to other study

Qualifier:

no guideline required

Principles of method if other than guideline:

Visual inspection

GLP compliance:

no

Specific details on test material used for the study:

Storage conditions: room temperature (20 ± 5 °C); keep away from light; do not close airtight

Physical state at 20°C and 1013 hPa:

solid

Form:

solid: particulate/powder

Colour:

yellow

Substance type:

organic

Data source

Reference

Reference Type:

study report

Title:

Unnamed

Year:

2014

Report date:

2014

Materials and methods

Test guideline

Test guideline 1

Qualifier:

according to guideline

Guideline:

EU Method A.3 (Relative Density)

Deviations:

no

Test guideline 2

Qualifier:

according to guideline

Guideline:

OECD Guideline 109 (Density of Liquids and Solids)

Version / remarks:

adopted in 2012

GLP compliance:

yes (incl. QA statement)

Remarks:

Landesamt für Umwelt, Wasserwirtschaft und Gewerbeaufsicht, Mainz, Germany

Type of method:

pycnometer method

Test material

Test material information

Constituent 1

Reference substance name:

1-Naphthalenesulfonic acid, 6-diazo-5,6-dihydro-5-oxo-, ester with phenyl(2,3,4-trihydroxyphenyl)methanone

EC Number:

270-931-7

EC Name:

1-Naphthalenesulfonic acid, 6-diazo-5,6-dihydro-5-oxo-, ester with phenyl(2,3,4-trihydroxyphenyl)methanone

Cas Number:

68510-93-0

Molecular formula:

all potential esters of C10HH5O3N2SCl and C13H10O4

IUPAC Name:

3-benzoyl-2-hydroxy-6-({[5-oxo-6-(λ⁵-diazynylidene)-5,6-dihydronaphthalen-1-yl]sulfonyl}oxy)phenyl 5-oxo-6-(λ⁵-diazynylidene)-5,6-dihydronaphthalene-1-sulfonate; 4-benzoyl-2,3-bis({[5-oxo-6-(λ⁵-diazynylidene)-5,6-dihydronaphthalen-1-yl]sulfonyl}oxy)phenyl 5-oxo-6-(λ⁵-diazynylidene)-5,6-dihydronaphthalene-1-sulfonate; 4-benzoyl-2,3-dihydroxyphenyl 5-oxo-6-(λ⁵-diazynylidene)-5,6-dihydronaphthalene-1-sulfonate

Test material form:

solid

Specific details on test material used for the study:

Storage conditions: room temperature (20 ± 5 °C); keep away from light; do not close airtight

Results and discussion

Density

Type:

density

Density:

1.39 g/cm³

Temp.:

20 °C

Any other information on results incl. tables

Results
Table 1 – Single determination results

Determination	Density [g/cm³]	Error of determination [g/cm³]
1	1.3824	0.0005
2	1.3907	0.0005

 

Table 2 – Results, mean values

Parameter	Value	Unit	Standard deviation	Relative standard deviation [%]
Pycnometer volume	50.37	cm³	0.0011	0.00
Test item density	1.3865	g/cm³	0.0059	0.42
Test item density	1386.5	Kg/m³	5.9
Relative density of test item	1.3865		0.0059

 

Conclusion
The test item density was calculated as 1.3865±0.0005 g/cm3 at 20.0±0.4 °C, which is the mean of the two values.