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Physical & Chemical properties

Density

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Reference
Endpoint:
relative density
Type of information:
read-across from supporting substance (structural analogue or surrogate)
Adequacy of study:
key study
Justification for type of information:
Testing for CAS 55184-72-0 is covered by tests with CAS 848588-96-5. Both substances are very similar since they differ mainly in the share of C13 (CAS 848588-96-5 C13> 80%; CAS 55184-72-0 > 95%). Hence, read across from CAS 848588-96-5 (source) to CAS 55184-72-0 (target) is considered as appropriate for both substances.
Reason / purpose for cross-reference:
read-across source
GLP compliance:
no
Type:
relative density
Density:
1.044
Temp.:
20 °C
Remarks on result:
other: The relative density is dimensionless

 

Table 1: Determination of the relative density

Pycnometer No.

14

28

44

mpycnometer[g]

36.6292

35.3607

35.3850

mpycnometer + test item[g]

45.5238

44.5378

42.6025

mpycnometer + test item + immersion liquid[g]

57.1616

56.0725

56.3739

mtest item[g]

9.8946

9.1771

10.2175

m3[g]

10.6378

11.5347

10.7714

mpycnometer + immersion liquid [g]

54.4411

53.5721

53.5921

mpycnometer + water (20 °C) [g]

60.0672

59.3155

59.3368

m1 Immersion liquid [g]

17.8119

18.2114

18.2071

m2 water (20 °C) [g]

23.4380

23.9548

23.9518

d(immersion liquid)[g/cm³]

0.7586

0.7589

0.7588

Relative DensityD420

1.046

1.043

1.043

Average relative density D420

1.044

Testing for CAS 55184-72-0 is covered by tests with CAS 848588-96-5. Both substances are very similar since they differ mainly in the share of C13 (CAS 848588-96-5 C13> 80%; CAS 55184-72-0 > 95%). Hence, read across from CAS 848588-96-5 (source) to CAS 55184-72-0 (target) is considered as appropriate for both substances.

Executive summary:

The relative density of Sodium bis(C11-14-isoalkyl, C13-rich) sulfosuccinate was determined by Frischmann (2012) in a Klimisch 1 non-GLP study according to EC A.3 and OECD 109 by using the pycnometer method. The test item has a relative density D420 of 1.044 which corresponds to 1.044 g/cm ³.

The results of this test are considered to be relevant and reliable for the assessment.

Testing for CAS 55184-72-0 is covered by tests with CAS 848588-96-5. Both substances are very similar since they differ mainly in the share of C13 (CAS 848588-96-5 C13> 80%; CAS 55184-72-0 > 95%). Hence, read across from CAS 848588-96-5 (source) to CAS 55184-72-0 (target) is considered as appropriate for both substances.

Description of key information

relative density D420 of 1.044

Key value for chemical safety assessment

Relative density at 20C:
1.044

Additional information

The relative density of Sodium bis(C11-14-isoalkyl, C13-rich) sulfosuccinate was determined by Frischmann (2012) in a Klimisch 1 non-GLP study according to EC A.3 and OECD 109 by using the pycnometer method. The test item has a relative density D420 of 1.044 which corresponds to 1.044 g/cm ³.

The results of this test are considered to be relevant and reliable for the assessment.