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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
other: observation
Adequacy of study:
key study
Study period:
2015
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: well performed investigations

Data source

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

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: company SOP
Principles of method if other than guideline:
visual determination and smelling by nose
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
2,4-dihydro-5-methyl-2-phenyl-4-(phenylazo)-3H-pyrazol-3-one
EC Number:
224-330-1
Cas Number:
4314-14-1
Molecular formula:
C16H14N4O
IUPAC Name:
2,4-dihydro-5-methyl-2-phenyl-4-(phenylazo)-3H-pyrazol-3-one
Test material form:
solid: particulate/powder
Remarks:
migrated information: powder
Details on test material:
Purity: 99,2 % (w/w)

Results and discussion

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

Applicant's summary and conclusion

Conclusions:
The substance is a yellow powder with a non specific odour
Executive summary:

The appearance of the substance was determined visually and the odour by smelling with the nose and was found to be a yellow powder with non specific odour