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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Administrative data

Endpoint:
density, other
Type of information:
experimental study
Adequacy of study:
key study
Study period:
26 Jan 2012
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
test procedure in accordance with national standard methods
Remarks:
Test procedure according to national standards (DIN 51913)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2012
Report date:
2012

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: DIN 51913
Type of method:
air comparison pycnometer (for solids)

Test material

Constituent 1
Chemical structure
Reference substance name:
4,4'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[2,4-dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one]
EC Number:
222-530-3
EC Name:
4,4'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[2,4-dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one]
Cas Number:
3520-72-7
Molecular formula:
C32H24Cl2N8O2
IUPAC Name:
4,4'-[(3,3'-dichlorobiphenyl-4,4'-diyl)didiazene-2,1-diyl]bis(5-methyl-2-phenyl-2,4-dihydro-3H-pyrazol-3-one)
Test material form:
solid: nanoform

Results and discussion

Density
Type:
density
Density:
1.445 g/cm³
Temp.:
23 °C

Any other information on results incl. tables

The value above represents the mean from 5 runs. See below for individual values.

Volume average: 0.6776 cm3

Standard deviation: 0.0013 cm3

Density average: 1.4447 g/cm3

Standard deviation: 0.0027 g/cm3

Sample weight: 0.9794 g

Run No.

Volume

Deviation

Density

Deviation

1

0.6790

0.0011

1.4423

-0.0024

2

0.6760

-0.0019

1.4487

0.0040

3

0.6773

-0.0006

1.4460

0.0013

4

0.6791

0.0011

1.4423

-0.0024

5

0.6782

0.0003

1.4441

-0.0005

Applicant's summary and conclusion

Conclusions:
The density of the test substance is 1.4447 g/mL at 23 °C.