Sulfuric acid, mono-C9-12-alkyl esters, sodium salts

Density

Link to relevant study record(s)

Reference

Endpoint:

relative density

Type of information:

experimental study

Adequacy of study:

key study

Study period:

Februar 23 - 24, 2016

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

guideline study

Qualifier:

according to guideline

Guideline:

EU Method A.3 (Relative Density)

GLP compliance:

yes (incl. QA statement)

Remarks:

The Department of Health of the Government of the United Kingdom

Type of method:

pycnometer method

Key result

Type:

relative density

Density:

1.009

Temp.:

20 °C

Determining the Density of the Sample

Run Number 1	1	2
Mass of Empty Pycnometer (g)	23.92	23.92
Mass of Sample & Pycnometer (g)	30.28	29.58
Mass of Sample added to empty Pycnometer (g) ms	6.36	5.66
Mass of Sample, Pycnometer & immersion liquid	48.33	48.37
Mass of immersion liquid added (g) m2	18.05	18.80
Calculated Density of Sample (g/cm3)	1.003	1.016
Density of Sample (kg/m3)	1003	1016
Mean Result (kg.m-3)	1009

Density = (ms x density _IL ) / (m1 – m2)

Where: ms is the mass, in grams, of the sample;

m1 is the mass, in grams, of immersion liquid required to fill the empty pycnometer;

m2 is the mass, in grams of immersion liquid added to fill the pycnometer containing the sample;

density_IL is the density of the immersion liquid

Mean Result : Relative density (D20 4) = 1.009

Sample density = 1009 kg.m-3 @ 20°C

Description of key information

relative density: 1.009 at 20 °C (EU A.3, pycnometer method)

Key value for chemical safety assessment

Relative density at 20C:

1.009