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REACH

p-[4,5-dihydro-4-[[2-methoxy-5-methyl-4-[[2-(sulphooxy)ethyl]sulphonyl]phenyl]azo]-3-methyl-5-oxo-1H-pyrazol-1-yl]benzenesulphonic acid, sodium salt

EC number: 263-417-9 | CAS number: 62121-75-9

Life Cycle description
Uses advised against

Physical & Chemical properties

Density

Currently viewing:

Administrative data

Link to relevant study record(s)

Reference

Endpoint:

relative density

Type of information:

experimental study

Adequacy of study:

key study

Study period:

May 24, 2016

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

guideline study

Qualifier:

according to guideline

Guideline:

EU Method A.3 (Relative Density)

Deviations:

Qualifier:

according to guideline

Guideline:

OECD Guideline 109 (Density of Liquids and Solids)

Deviations:

GLP compliance:

Type of method:

air comparison pycnometer (for solids)

Key result

Type:

relative density

Density:

1.29 other: relative density

Temp.:

20.3 °C

A measurement chamber with a volume of V_c= 7.9970 cm³and an expansion chamber with a volume of V_r= 6.1927 cm³were used.

Two test series with different weights were performed at ambient temperature (20.3 °C). For results seeTable1andTable2.

Table1: Results of the 1^sttest series

Weight: 1.0776 g	p₁/ psi	p₂/ psi	Volume / cm³	Densityr_PR/ g·cm^-3
1^stmeasurement	19.536	10.475	0.8378	1.2862
2^ndmeasurement	19.520	10.467	0.8370	1.2875
3^rdmeasurement	19.572	10.495	0.8368	1.2878
Mean			0.8372	1.2872

Table2: Results of the 2^ndtest series

Weight: 1.0334 g	p₁/ psi	p₂/ psi	Volume / cm³	Densityr_PR/ g·cm^-3
1^stmeasurement	19.565	10.513	0.8047	1.2842
2^ndmeasurement	19.507	10.484	0.8015	1.2893
3^rdmeasurement	19.539	10.501	0.8018	1.2889
Mean			0.8027	1.2875

Mean densityr_PRfor the two test series: 1.29 g/cm³

Relative density (compared to water at 4 °C):

D₄^R= 1.29 (20.3 °C)

Executive summary:

The relative density at ambient temperature (compared to water at 4 °C) was determined to be:

D₄^R= 1.29 (20.3 °C)

Description of key information

The relative density at ambient temperature (compared to water at 4 °C) was determined to be 1.29

Key value for chemical safety assessment

Relative density at 20C:: 1.29

Additional information

The relative density at ambient temperature (compared to water at 4 °C) was determined to be:

D₄^R= 1.29 (20.3 °C)

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