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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Reference
Endpoint:
appearance / physical state / colour
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2012-11-29
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
comparable to guideline study
Qualifier:
no guideline required
Principles of method if other than guideline:
The physical state was determined by visual observation.
GLP compliance:
no
Physical state at 20°C and 1013 hPa:
solid
Key result
Form:
crystalline
Colour:
white
Odour:
other: no data
Substance type:
organic
Conclusions:
Methylphosphonic acid exists as a white crystalline solid.

Description of key information

The solid state is only applicable for the 100 % substance, having a white crystalline appearance. The physical state of the ca. 70 % substance (in water) examined in this dossier is liquid.

Key value for chemical safety assessment

Physical state at 20°C and 1013 hPa:
solid
Form:
solid: crystalline
Colour:
white
Colour intensity:
light

Additional information