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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
test procedure in accordance with national standard methods with acceptable restrictions
Qualifier:
no guideline followed
Guideline:
other: automatic densimeter PAAR DMA 4100
Principles of method if other than guideline:
Measurement by automatic densimeter PAAR DMA 4100, calibrated at 20°C (temperature specified in the requirement).
GLP compliance:
no
Type of method:
other: automatic densimeter PAAR DMA 4100, calibrated at 20°C
Specific details on test material used for the study:
aqueous solution
Key result
Type:
relative density
Density:
1.373
Temp.:
20 °C
Conclusions:
A density of 1.3725 g/cm3 at 20°C was measured for the aqueous solution of ammonium hydrogensulfite.

Description of key information

Key value for chemical safety assessment

Relative density at 20C:
1.373

Additional information