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Physical & Chemical properties

Appearance / physical state / colour

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Endpoint:
appearance / physical state / colour
Type of information:
other: handbook data
Adequacy of study:
weight of evidence
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Peer reviewed handbook or data collection can be assessed as data source reliable with restrictions, thus a Klimisch 2 rating was given.
Reference:
Composition 0
Qualifier:
according to
Guideline:
other:
Deviations:
not specified
Principles of method if other than guideline:
Data directly taken from handbook, no details on methodology given.
GLP compliance:
not specified
Test material information:
Composition 1
Physical state at 20°C and 1013 hPa:
solid
Form:
other: plates
Colour:
no data
Odour:
other: no data
Substance type:
organic
Conclusions:
Substance 2-Methyl-1,4-benzenediamine (CAS 95-70-5) is a solid (plates).
Executive summary:

According to the peer reviewed CRC Handbook of Chemistry and Physics 89th ed., substance 2-Methyl-1,4-benzenediamine (CAS 95-70-5), is a solid (plates).

Endpoint:
appearance / physical state / colour
Type of information:
other: handbook data
Adequacy of study:
weight of evidence
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Data from peer reviewed handbook or data collection can be assessed as reliable with restructions, thus a Klimisch 2 rating is being assigned.
Reference:
Composition 0
Qualifier:
according to
Guideline:
other:
Deviations:
not specified
Principles of method if other than guideline:
Data directly taken from peer reviewed handbook, no details on methodology given.
GLP compliance:
not specified
Test material information:
Composition 1
Physical state at 20°C and 1013 hPa:
solid
Form:
crystalline
Colour:
The substance is colourless, however it can quickly change colour to turn into a grey-violet appearance.
Odour:
other: no data
Substance type:
organic
Conclusions:
Substance 2-Methyl-p-phenylendiamin (CAS 95-70-5), is a colourless solid with crystalline (tabular) structure.
Executive summary:

According to the peer reviewed chemistry handbook Roempp Chemie Lexikon (1995), 9th ed., substance 2-Methyl-p-phenylendiamin (CAS 95-70-5), is a solid with crystalline (tabular) structure. The substance is colourless, however it can quickly change colour to turn into a grey-violet appearance.

Description of key information

Colourless to purplish crystalline solid.

Key value for chemical safety assessment

Physical state at 20°C and 1013 hPa:
solid

Additional information

A weight of evidence approach has been applied, using data from two peer reviewed chemical handbooks. Based on this information, substance 2-methyl-p-phenylenediamine is a colourless to purplish solid, of crystalline (plates, tabular) appearance.