sodium;2-chloroprop-2-enoate;hydrate

Density

Link to relevant study record(s)

Reference

Endpoint:

relative density

Type of information:

experimental study

Adequacy of study:

key study

Study period:

from 2018-03-01 to 2018-04-07

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

guideline study

Qualifier:

according to guideline

Guideline:

OECD Guideline 109 (Density of Liquids and Solids)

Deviations:

no

Qualifier:

according to guideline

Guideline:

EPA OPPTS 830.7300 (Density / Relative Density / Bulk Density)

Deviations:

no

Qualifier:

according to guideline

Guideline:

EU Method A.3 (Relative Density)

Deviations:

no

Qualifier:

according to guideline

Guideline:

other: CIPAC Handbook Volume F, MT 3.2, “Determination of Specific Gravity or Density of Liquids or Solids”.

Deviations:

no

GLP compliance:

yes (incl. QA statement)

Type of method:

pycnometer method

Key result

Type:

relative density

Density:

1.185 other: dimensionless

Temp.:

20 °C

The empty pycnometer and the pycnometer with water were weighed and recorded to find out the capacity of the pycnometer. The empty pycnometer and the pycnometer with test item were weighed and recorded. The density of test item was calculated from the capacity of the pycnometer. The test was performed at 20 °C under thermostatic conditions and the obtained relative density values are found to be 1.1852 and 1.1845 for the first and second replicate, respectively. The mean relative density was found to be 1.1849 with 0.042 % of RSD.

Table 1. Determination of the capacity of the pycnometer

Replication Number	Weight of Empty Pycnometer (x) in g	Weight of Pycnometer with Water (y) in g	Water Equivalent Weight (y-x) in g	Volume of Pycnometer at 20 °C V20= 1.0018 (y-x) in mL
1	20.2410	45.3819	25.1409	25.1862
2	21.0409	45.7112	24.6703	24.7147

Table 2. Determination of the relative density of the test item at 20 °C

Replication Number	Weight of Empty Pycnometer (x) in g	Weight of Pycnometer with Test Item (y’) in g	Weight of the Test Item (y’-x) in g	Density of Test Item in g/mL (y’-x)/V20	Mean Density in g/mL	± SD	% RSD
1	20.2410	50.0927	29.8517	1.1852	1.1849	0.0005	0.042
2	21.0409	50.3165	29.2756	1.1845

Conclusions:

The relative density of the test item was found to be 1.1849 at 20.0 °C.

Executive summary:

A study was conducted according to OECD TG 109, Regulation (EC) No 440/2008 method A.3, OPPTS 830.7300 and CIPAC Handbook Volume F, MT 3.2 to determine the relative density of the test item. The density was determined in two independent determinations. Using the pycnometer method the relative density was determined to be 1.1849 at 20 °C with respect to water at 4 °C.

Description of key information

The relative density of the test item was determined to be 1.1849 at 20.0 °C.

Key value for chemical safety assessment

Relative density at 20C:

1.185

Additional information

A study was conducted according to OECD TG 109, Regulation (EC) No 440/2008 method A.3, OPPTS 830.7300 and CIPAC Handbook Volume F, MT 3.2 to determine the relative density of the test item. The density was determined in two independent determinations. Using the pycnometer method the relative density was determined to be 1.1849 at 20 °C with respect to water at 4 °C.