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Physical & Chemical properties

Density

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Reference
Endpoint:
relative density
Type of information:
experimental study
Adequacy of study:
key study
Study period:
Experimental starting date: 22 July 2016 Experimental completion date: 25 July 2016
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to
Guideline:
OECD Guideline 109 (Density of Liquids and Solids)
Deviations:
no
Qualifier:
according to
Guideline:
EU Method A.3 (Relative Density)
Deviations:
no
GLP compliance:
yes (incl. certificate)
Type of method:
other: Gas comparison pycnometer
Specific details on test material used for the study:
Identification: Benzenesulfonic acid, mono-C10-13-alkyl derivs., compds. with N1,N1-dimethyl-1,3-propanediamine (ACAR 16015)
Appearance/Physical state: Extremely pale amber waxy solid
Batch: 2629-89-10
Purity: 98.6%
Expiry date: 03 April 2019
Storage conditions: Room temperature in the dark
Type:
density
Density:
1 052 kg/m³
Temp.:
19 °C
Type:
relative density
Density:
1.05
Temp.:
19 °C

 Calibration

The pressure readings and the calculated volume for the reference and sample cells are shown in the following table:

Table 2

Determination

P1

(psig)

P2

(psig)

P3

(psig)

P4

(psig)

Reference

Cell Volume (cm3)

Sample

Cell Volume (cm3)

1

16.773

6.350

18.191

9.016

90.671

148.829

2

17.248

6.538

18.133

8.990

91.063

149.172

3

17.060

6.465

17.484

8.667

91.001

149.135

4

16.976

6.427

17.034

8.437

90.873

149.156

5

17.070

6.465

16.911

8.376

91.020

149.307

6

16.864

6.388

17.102

8.470

91.103

149.405

Mean reference cell volume:              90.955 cm3
Mean sample cell volume:
                  149.167 cm3

Sample

The pressure readings and volumes obtained for the vessel and the vessel containing the test item are shown in the following table:

Table 3

Determination

Test

Vessel

Vessel and Test Item

P1(sample)
(psig)

P2(sample)
(psig)

Volume
(cm3)

P3(sample)
(psig)

P4(sample)
(psig)

Volume
(cm3)

1

A

17.140

6.910

14.454

17.332

7.306

24.287

B

17.132

6.904

14.363

17.243

7.276

24.510

C

17.080

6.882

14.329

17.026

7.184

24.497

2

A

17.138

6.908

14.530

17.190

7.429

29.725

B

16.886

6.823

15.078

17.035

7.367

29.868

C

16.694

6.745

15.064

17.138

7.409

29.795

The calculated mean volumes and densities are shown in the following table:

Table 4

Determination

Mean Volume
of Vessel
(cm3)

Mean Volume
of Vessel and
Test Item (cm3)

Volume of
Test Item
(cm3)

Density

(kg/m3)

1

14.382

24.431

10.049

1.067 x 103

2

14.891

29.796

14.905

1.037 x 103

Mean density:            1.05x 103kg/m3

Relative density:        1.05

Temperature:              19.0 ± 1.0 ºC

Conclusions:
The density of the test item was determined to be 1.05 x 103 kg/m3 at 19.0 ± 1.0 ºC. The corresponding relative density was calculated to be 1.05.
Executive summary:

The density of Benzenesulfonic acid, mono-C10-13-alkyl derivs., compds. with N1,N1-dimethyl-1,3-propanediamine (ACAR 16015)has been determinedto be 1.05 x 103kg/m3at19.0 ± 1.0 ºC, using a gas comparison pycnometer, designed to be compatible with Method A3 Relative Density of Commission Regulation (EC) No 440/2008 of 30 May 2008 and Method 109 of the OECD Guidelines for Testing of Chemicals, 02 October 2012. The corresponding relative density was calculated to be 1.05.

Description of key information

The density is 1052 kg/m3 at 19C

Key value for chemical safety assessment

Relative density at 20C:
1.05

Additional information