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Physical & Chemical properties

Appearance / physical state / colour

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Endpoint:
appearance / physical state / colour
Type of information:
other: visual observation
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
data from handbook or collection of data
Justification for type of information:
description of appearance was taken from the substance data in the study report
Qualifier:
no guideline followed
Principles of method if other than guideline:
Visual observation
GLP compliance:
no
Physical state at 20°C and 1013 hPa:
solid
Form:
powder
Colour:
white
Odour:
other: no data
Substance type:
organic
Conclusions:
The substance is a white powder at ambient conditions.
Endpoint:
appearance / physical state / colour
Type of information:
not specified
Adequacy of study:
supporting study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
data from handbook or collection of data
GLP compliance:
not specified
Odour:
ammonia-like
Conclusions:
The odor of TMAH is ammonia-like (Merck Index 13th).

Description of key information

The substance is a white powder. 

Key value for chemical safety assessment

Physical state at 20°C and 1013 hPa:
solid

Additional information

According to the Merck Index 13th the substance has an ammonia-like odour.