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Diss Factsheets

Physical & Chemical properties

Density

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Administrative data

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Reference
Endpoint:
relative density
Type of information:
experimental study
Adequacy of study:
key study
Study period:
From 08 July 2014 to 22 October 2014
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)
Version / remarks:
2012
GLP compliance:
yes (incl. QA statement)
Type of method:
pycnometer method
Remarks:
The relative density was determined relative to purified water using a pycnometer at 20°C.
Key result
Type:
relative density
Density:
1.2
Temp.:
20 °C

Table 1: Determination of the Relative Density of 2,2-Difluoroethyl acetate













































Parameter



Determination 1



Determination 2



mass of empty pycnometer, w1 (g)



22.35164



18.72818



mass of pycnometer + water, w2 (g)



47.65783



43.73309



mass of pycnometer + test substance, w3 (g)



52.80300



48.86100



mass of water to fill pycnometer, W1 (g)



25.30619



25.00491



mass of test substance to fill pycnometer, W2 (g)



30.45136



30.13282



Relative density (no
unit)



1.20



1.20



Mean relative density (no
unit)



1.20



 

Conclusions:
The relative density of 2,2-Difluoroethyl acetate was found to be equal to 1.20.
Executive summary:

The relative density of 2,2-Difluoroethyl acetate was investigated in a GLP-compliant study according to OECD test guideline 109 using the pycnometer method. The relative density was determined to be equal to 1.20.

Description of key information

The relative density of 2,2-Difluoroethyl acetate is equal to 1.20.

Key value for chemical safety assessment

Relative density at 20C:
1.2

Additional information

An experimental study performed under GLP compliance and in accordance with OECD test guideline 109 was flagged as a key study and assigned a Klimisch score of 1. It reports that 2,2-Difluoroethyl acetate has a relative density of 1.20.