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Administrative data

Endpoint:
relative density
Remarks:
Other density types indicated (migrated information): density
Type of information:
experimental study
Adequacy of study:
key study
Study period:
02 March 2015-19 June 2015
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: GLP-compliant study in accordance with EC A.3, OECD 109 and EPA OPPTS 830.7300.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2015
Report date:
2015

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
EU Method A.3 (Relative Density)
Version / remarks:
(2008)
Deviations:
no
Qualifier:
according to guideline
Guideline:
OECD Guideline 109 (Density of Liquids and Solids)
Version / remarks:
(2012)
Deviations:
no
Qualifier:
according to guideline
Guideline:
EPA OPPTS 830.7300 (Density / Relative Density / Bulk Density)
Version / remarks:
(2002)
Deviations:
no
GLP compliance:
yes
Type of method:
pycnometer method

Test material

Constituent 1
Chemical structure
Reference substance name:
3-[3-(1,1,1,3,5,5,5-heptamethyltrisiloxan-3-yl)propoxy]propane-1,2-diol
EC Number:
807-413-2
Cas Number:
70280-68-1
Molecular formula:
C13H34O5Si3
IUPAC Name:
3-[3-(1,1,1,3,5,5,5-heptamethyltrisiloxan-3-yl)propoxy]propane-1,2-diol
Test material form:
other: liquid
Details on test material:
- Name (as cited in study report): X-22-1927
- Appearance: clear light yellow liquid
- Storage conditions: at room temperature

Results and discussion

Densityopen allclose all
Type:
density
Density:
0.97 g/cm³
Temp.:
20 °C
Remarks on result:
other: Accuracy: < 0.01 g/cm3
Type:
relative density
Density:
0.97
Temp.:
20 °C

Any other information on results incl. tables

Table: Volume of the pycnometer

 

Test 1

Test 2

Mean

 

 

 

 

Mass empty pycnometer (A)

30.4746 g

30.4745 g

30.4746 g

Mass pycnometer with water (B)

40.1145 g

40.1114 g

 

 

 

 

 

Volume of the pycnometer (V)

9.6573 cm3

9.6543 cm3

9.6558 cm3

 

 

 

 

 

Table: Density of the test substance

 

Test 1

Test 2

Mean

 

 

 

 

Mass pycnometer with test substance (C)

39.8447 g

39.8411 g

 

 

 

 

 

Density

0.9704 g/cm3

0.9700 g/cm3

0.970 g/cm3

 

 

 

 

 

Applicant's summary and conclusion

Conclusions:
In a GLP-compliant study in accordance with EC A.3, OECD 109 and EPA OPPTS 830.7300 using a volume pycnometer, the relative density of the substance at 20°C has been determined as 0.970.