Registration Dossier

Diss Factsheets

Administrative data

Endpoint:
appearance / physical state / colour
Type of information:
other: qualitative assessment
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Evidence due to substance handling and observation. The test substance is described in the analytical report in section 1.4.

Data source

Materials and methods

Test guideline
Qualifier:
no guideline followed

Test material

Constituent 1
Reference substance name:
2-Naphthalenesulfonic acid, 5(or 8)-amino-, reaction products with 4-aminophenol and sodium sulfide (Na2(Sx))
EC Number:
309-304-0
EC Name:
2-Naphthalenesulfonic acid, 5(or 8)-amino-, reaction products with 4-aminophenol and sodium sulfide (Na2(Sx))
Cas Number:
100208-97-7
Molecular formula:
not applicable
IUPAC Name:
2-Naphthalenesulfonic acid, 5(or 8)-amino-, reaction products with 4-aminophenol and sodium sulfide (Na2(Sx))
Test material form:
solid: particulate/powder
Details on test material:
Test Item: Leuco Sulfur Blue 15
Appearance: Dark, near black powder

Results and discussion

Physical state at 20°C and 1013 hPa:
solid
Form / colour / odour
Key result
Form:
solid: particulate/powder
Colour:
black near black
Odour:
pungent
Substance type:
organic

Applicant's summary and conclusion

Conclusions:
The substance is a dark near black powder at 20 ºC and 1013 hPa
Executive summary:

The substance appearance is known from its handling and observation.