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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Density

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Administrative data

Link to relevant study record(s)

Reference
Endpoint:
relative density
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2010-02-09
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: GLP Guideline study
Qualifier:
according to guideline
Guideline:
OECD Guideline 109 (Density of Liquids and Solids)
Deviations:
no
Qualifier:
according to guideline
Guideline:
EU Method A.3 (Relative Density)
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Remarks:
signed 2008-06-17
Type of method:
air comparison pycnometer (for solids)
Type:
relative density
Density:
5.6
Temp.:
22.4 °C

Relative density (compared to water at 4°C): D4R: 5.60

Conclusions:
The relative density at ambient temperature (compared to water at 4°C): D4R: 5.60. The ambient temperature was determined to be 22.4°C +/- 0.2°C. According to the European Commission Regulation (EC) No. 440/2008, A.3., solids can be measured at ambient temperature (20-25°C).

Description of key information

The relative density has been determined experimentally, using a commercial sample of arsenic metal grains and employing the gas comparison pycnometer method (acc. to OECD 110 guideline, GLP study). The relative density at ambient temperature (compared to water at 4°C): D4R: 5.60. The ambient temperature was determined to be 22.4°C +/- 0.2°C. According to the European Commission Regulation (EC) No. 440/2008, A.3., solids can be measured at ambient temperature (20-25°C).

Key value for chemical safety assessment

Relative density at 20C:
5.6

Additional information