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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
relative density
Type of information:
experimental study
Adequacy of study:
key study
Study period:
1997
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
guideline study without detailed documentation

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1977

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
EU Method A.3 (Relative Density)
Version / remarks:
92/69/EEC, A3 (Gas comparison pycnometer)
Deviations:
not specified
GLP compliance:
yes
Type of method:
air comparison pycnometer (for solids)
Remarks:
(Gas comparison pycnometer)

Test material

Constituent 1
Chemical structure
Reference substance name:
-
EC Number:
423-730-5
EC Name:
-
Cas Number:
250688-43-8
Molecular formula:
C18H15N3Na2O9S3
IUPAC Name:
Disodium 4-amino-3-[(4-{[2-(sulfonatooxy)ethyl]sulfonyl}phenyl)diazenyl]naphthalene-1-sulfonate
Test material form:
solid: particulate/powder

Results and discussion

Density
Type:
relative density
Density:
ca. 1.71 other: (corresponds to D4(20))
Temp.:
24 °C
Remarks on result:
not measured/tested

Applicant's summary and conclusion

Conclusions:
Relative Density 1.71 at 24 °C