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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
key study
Study period:
2014
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
test procedure in accordance with generally accepted scientific standards and described in sufficient detail
Remarks:
Data comes from the description of the test substance in the report on granulometry. No guideline is required according to REACh TGD. The test substance is adequately characterised. Therefore full validation applies.
Qualifier:
no guideline required
Principles of method if other than guideline:
binocular (stereo) microscope examination
GLP compliance:
no
Physical state at 20°C and 1013 hPa:
solid
Key result
Form:
solid: crystalline
Colour:
White
Substance type:
organic
Executive summary:

The substance was tested for granulometry, including examination under microscope. The test substance is described as a white powder, with crystalline needles.

Endpoint:
appearance / physical state / colour
Type of information:
experimental study
Adequacy of study:
supporting study
Study period:
From December 1 to 12, 2008
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
test procedure in accordance with generally accepted scientific standards and described in sufficient detail
Remarks:
Data comes from the description of the test substance in the GLP report on other physico-chemical properties. No guideline is required according to REACh TGD. The test substance is adequately characterised. Therefore full validation applies.
Qualifier:
no guideline required
Principles of method if other than guideline:
Visual observation
GLP compliance:
yes (incl. QA statement)
Remarks:
Swiss GLP compliance programme (inspected on November 15 and 16, 2006 / signed on March 29, 2007)
Specific details on test material used for the study:
Storage condition of test material: Refrigerator (between 0 and 10 °C under nitrogen)
Physical state at 20°C and 1013 hPa:
solid
Form:
paste
Colour:
Yellow
Executive summary:

The substance was tested under GLP for physico-chemical properties. Description of the sample is provided in the report: yellow pasty solid.

Description of key information

White to yellow crystalline powder, as needles, or paste/block if storage above melting temperature.

Key value for chemical safety assessment

Physical state at 20°C and 1013 hPa:
solid

Additional information

The available granulometry study includes an observation under stereo microscope, with fully reliable description of the test substance.

Description from supporting GLP experimental study on physicochemical properties is also provided to illustrate the change in appearance if melted during storage.