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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
density, other
Remarks:
density
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Justification for type of information:
Experimental test result performed using standard test guidelines
Qualifier:
according to guideline
Guideline:
OECD Guideline 109 (Density of Liquids and Solids)
GLP compliance:
no
Type of method:
pycnometer method
Specific details on test material used for the study:
- Name of test material: Tetrabutylammonium bromide
- Molecular formula: C16H36N.Br
-Inchi: 1S/C16H36N.BrH/c1-5-9-13-17(14-10-6-2,15-11-7-3)16-12-8-4;/h5-16H2,1-4H3;1H/q+1;/p-1
- Molecular weight: 322.368
- Substance type: Organic
- Physical state: Solid
Key result
Type:
bulk density
Density:
0.526 g/cm³
Temp.:
30.5 °C
Remarks on result:
other: not specified
Key result
Type:
tap density
Density:
0.526 g/cm³
Temp.:
30.5 °C
Remarks on result:
other: not specified

Method Details

Observations

Remarks if, any

Guideline

“Test methods: Bulk density and tapped density of powders”recommended inThe International Pharmacopoeia, Fourth Edition, 2014[1]

 

 

-

 

Principle of method

Bulk and Tap densities are determined by measuring the volume of a known mass of powder into a graduated cylinder without and after tapping, respectively.

 

 

-

Method

Measurement in a Graduated Cylinder and Bulk Density Apparatus

 

-

Test temperature (°C)

-

 

Weight (mass) of test substance (g)

m

20 gm

Volume of test substance in cylinder without tapping (ml)

v

38 ml

Volume of test substance in cylinder after tapping (ml)

v1

38 ml

CALCULATIONS:

Parameters

Details

Calculated Values (RESULT)

Bulk Density of test substance (g/cm3)

= m
    v

0.5263 g/cm3

Tap density of test substance (g/cm3)

= m
    v1

0.5263 g/cm3

 

Conclusions:
The bulk density and tap density of test chemical are 0.5263 (g/cm3) and 0.5263 (g/cm3), respectively, at 30.5 °C.
Executive summary:

The bulk density and tap density was determined for the test substance following the standard method recommended in the International Pharmacopoeia, fourth Edition, 2014.The bulk density was determined to be 0.5263 g/cm3and the tap density was observed to be 0.5263 g/cm3at 30.5 °C.

Description of key information

The bulk density and tap density was determined for the test substance following the standard method recommended in the International Pharmacopoeia, fourth Edition, 2014.The bulk density was determined to be 0.5263 g/cm3and the tap density was observed to be 0.5263 g/cm3at 30.5 °C.

Key value for chemical safety assessment

Additional information

The bulk density and tap density was determined for the test substance following the standard method recommended in the International Pharmacopoeia, fourth Edition, 2014.The bulk density was determined to be 0.5263 g/cm3and the tap density was observed to be 0.5263 g/cm3at 30.5 °C.

From other reliable sources & authoritative databases value of density of by the mass by volume menthod  was determine to be 0.644 g/cm3 at 35 deg C, 0.91979 g/cm3 at 40 deg C, 0.91215 g/cm3 at 45 deg C, 0.92331 g/cm3 at 35 deg C. Bulk density of test chremical is 0.7 g/cm3 (700 kg/m³).