Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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)

appearance / physical state / colour
Type of information:
experimental study
Adequacy of study:
key study
Study period:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
test procedure in accordance with generally accepted scientific standards and described in sufficient detail
no guideline followed
Principles of method if other than guideline:
Appearance of the substance is observed and reported
GLP compliance:
Specific details on test material used for the study:
Trehalose dihydrate (Wako Pure Chemical Industry, Ltd., Special grade, Purity: 100%)
Anhydrous trehalose (Crystal prepared by dissolution of trehalose dihydrate in pyridine and evaporation at 115°C, Purity: 100%)
Physical state at 20°C and 1013 hPa:
solid: crystalline
Trehalose dihydratre crystal was prism-shaped and anhydrous trehalose crystal was quadrilateral-disc-shaped.
Substance type:
Trehalose is in the solid state at room temperature.

Description of key information

one study report available

Key value for chemical safety assessment

Physical state at 20°C and 1013 hPa:

Additional information