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Physical & Chemical properties

Appearance / physical state / colour

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Link to relevant study record(s)

Reference
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:
study well documented, meets generally accepted scientific principles, acceptable for assessment
Reason / purpose:
reference to other study
Qualifier:
no guideline followed
Principles of method if other than guideline:
Appearance information is obtained from the observations on the test material used for relative density testing.
GLP compliance:
not specified
Physical state at 20°C and 1013 hPa:
solid
Form:
solid: crystalline
Colour:
white
Substance type:
organic
Conclusions:
L-Histidine is a white crystalline powder.
Executive summary:

The information on the appearance of the substance L-histidine is obtained from observations made on the test sample used for the determination of the density of L-histidine.

L-Histidine is found to be a white crystalline powder.

Description of key information

L-histidine is a white crystalline powder.

Key value for chemical safety assessment

Physical state at 20°C and 1013 hPa:
solid

Additional information