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Appearance / physical state / colour

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Endpoint:
appearance / physical state / colour
Type of information:
experimental study
Adequacy of study:
key study
Study period:
19-03-2019 until 30-04-2019
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: expert judgement
Qualifier:
according to guideline
Guideline:
other: expert judgement: test item characterisation in phys chem report
GLP compliance:
yes (incl. QA statement)
Physical state at 20°C and 1013 hPa:
solid
Key result
Form:
solid
Colour:
Pale yellow
Substance type:
organic
Conclusions:
description: Pale yellow solid
Executive summary:

description: Pale yellow solid

Endpoint:
appearance / physical state / colour
Type of information:
other: Expert judgement
Adequacy of study:
supporting study
Study period:
2012
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: expert judgement according to melting point
Guideline:
other: expert judgement according to melting point.
GLP compliance:
no
Physical state at 20°C and 1013 hPa:
solid
Form:
not specified
Colour:
no data
Odour:
other: no data
Substance type:
organic
Conclusions:
The test item is an organic solid.
Executive summary:

The test item 2,2´-MDI is an organic solid. The liquefied substance, after heating, shows delayed crystallisation when the test item is cooled down again.

Description of key information

The test item 2,2´-MDI is an organic solid at 20°C with pale yellow colour. The liquefied substance, after heating, shows delayed crystallisation when the test item is cooled down again.

Key value for chemical safety assessment

Physical state at 20°C and 1013 hPa:
solid

Additional information

The appearance is based on expert judgement according to melting point.