Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
appearance / physical state / colour
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: valid certificate of analysis, reliability 1 for this specific endpoint.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2015
Report date:
2015

Materials and methods

Principles of method if other than guideline:
Visual inspection and smell test.

Test material

Constituent 1
Chemical structure
Reference substance name:
Trisodium 5-[[5-methyl-4-[(4-nitro-2-sulphonatophenyl)azo]-2-(3-sulphonatopropoxy)phenyl]azo]salicylate
EC Number:
277-753-9
EC Name:
Trisodium 5-[[5-methyl-4-[(4-nitro-2-sulphonatophenyl)azo]-2-(3-sulphonatopropoxy)phenyl]azo]salicylate
Cas Number:
74186-17-7
Molecular formula:
C23H21N5O12S2.3Na
IUPAC Name:
trisodium 2-hydroxy-5-({5-methyl-4-[(4-nitro-2-sulfonatophenyl)diazenyl]-2-(3-sulfonatopropoxy)phenyl}diazenyl)benzoate

Results and discussion

Physical state at 20°C and 1013 hPa:
solid
Form / colour / odour
Form:
powder
Colour:
brown
Odour:
other: non-specific
Substance type:
organic

Applicant's summary and conclusion