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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Physical & Chemical properties

Appearance / physical state / colour

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Administrative data

Link to relevant study record(s)

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Endpoint:
appearance / physical state / colour
Type of information:
experimental study
Adequacy of study:
weight of evidence
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
equivalent or similar to guideline
Guideline:
EPA OPPTS 830.6302 (Color)
Qualifier:
equivalent or similar to guideline
Guideline:
EPA OPPTS 830.6303 (Physical State)
GLP compliance:
yes (incl. QA statement)
Physical state at 20°C and 1013 hPa:
solid
Key result
Form:
solid: particulate/powder
Colour:
brown
Odour:
other: not reported

The test item is a fine, brown powder.
It is obviously homogeneous

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:
comparable to guideline study
Qualifier:
equivalent or similar to guideline
Guideline:
EPA OPPTS 830.6303 (Physical State)
Qualifier:
equivalent or similar to guideline
Guideline:
EPA OPPTS 830.6302 (Color)
GLP compliance:
no
Physical state at 20°C and 1013 hPa:
solid
Key result
Form:
solid: particulate/powder
Colour:
black
Odour:
other: not reported
Substance type:
inorganic

Fine, black powder, obviously homogeneous

Description of key information

The test items are reported to be a brown to black fine powders at 20 °C and 1013 hPa.
They are obviously homogeneous

Key value for chemical safety assessment

Physical state at 20°C and 1013 hPa:
solid
Form:
solid: particulate/powder
Colour:
black
brown

Additional information

Two GLP studies were conducted, using the visual inspection. They reported the substances to be fine powders at 20 °C and 1013 hPa.


Form 2 is reported to be a black fine powder at 20 °C and 1013 hPa.


Form 4 is reported to be a brown fine powder at 20 °C and 1013 hPa.