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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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
Remarks:
density
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2001
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: GLP missing, but test procedure according to national standards (DIN 51913)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1998
Report date:
1998

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: DIN 51913
Type of method:
air comparison pycnometer (for solids)
Remarks:
Helium Gaspycnometer AccuPyc 1330 Micrometrics

Test material

Constituent 1
Chemical structure
Reference substance name:
3-hydroxy-N-(o-tolyl)-4-[(2,4,5-trichlorophenyl)azo]naphthalene-2-carboxamide
EC Number:
229-440-3
EC Name:
3-hydroxy-N-(o-tolyl)-4-[(2,4,5-trichlorophenyl)azo]naphthalene-2-carboxamide
Cas Number:
6535-46-2
Molecular formula:
C24H16Cl3N3O2
IUPAC Name:
3-hydroxy-N-(2-methylphenyl)-4-[(2,4,5-trichlorophenyl)diazenyl]-2-naphthamide
Test material form:
solid: nanoform, no surface treatment

Results and discussion

Density
Type:
density
Density:
1.48 g/cm³
Temp.:
20 °C

Any other information on results incl. tables

The value given is the mean of 5 measurements:

Mean density: 1.4797 g/cm3

Standard deviation: 0.0019 g/cm3

Volume measuring cell: 11.7511 cm3

Volume expansion cell: 8.8142 cm3

Weight sample: 2.1768 g

Equilibrium condition: 0.0689 kPag/min

Applicant's summary and conclusion