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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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Endpoint:
appearance / physical state / colour
Type of information:
not specified
Adequacy of study:
supporting study
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
secondary literature
GLP compliance:
not specified
Physical state at 20°C and 1013 hPa:
solid
Form:
powder
Colour:
dark grey
Odour:
odourless
Substance type:
inorganic
Conclusions:
Boron Carbide was determined to be an odourless black inorganic solid powder at room temperature.
Executive summary:

Boron Carbide was determined to be an odourless black inorganic solid powder at room temperature.

Endpoint:
appearance / physical state / colour
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2009
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Non GLP study performed according to EPA guideline.
Qualifier:
according to guideline
Guideline:
EPA OPPTS 830.6303 (Physical State)
Deviations:
no
GLP compliance:
no
Physical state at 20°C and 1013 hPa:
solid
Form:
crystalline
Form:
powder
Conclusions:
The substance boron carbide has been determined by electron microscopy to be a crystalline solid powder not containing whiskers.
Executive summary:

The substance boron carbide has been determined by electron microscopy to be a crystalline solid powder not containing whiskers.

Description of key information

Boron Carbide was determined to be an odourless black crystalline solid powder at room temperature. Electron microscopy was used to confirm the absence of whiskers in boron carbide.

Key value for chemical safety assessment

Physical state at 20°C and 1013 hPa:
solid
Form:
solid: crystalline
Colour:
black

Additional information