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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Administrative data

Endpoint:
relative density
Type of information:
experimental study
Adequacy of study:
key study
Study period:
in 2012
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: well documented guideline study.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2012
Report date:
2012

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
OECD Guideline 109 (Density of Liquids and Solids)
Qualifier:
according to guideline
Guideline:
EU Method A.3 (Relative Density)
GLP compliance:
no
Remarks:
however performed in GLP-laboratory
Type of method:
pycnometer method

Test material

Constituent 1
Reference substance name:
not applicable for UVCB substances
EC Number:
939-060-6
IUPAC Name:
not applicable for UVCB substances
Test material form:
other: liquid
Details on test material:
Name: Initiator 94
Batch: 004IN11
according to certificate of analysis (1. August 2012) and its addendum of 18. September 2012:
purity: 32% (main component and active species: benzpinakolsilylethers)
further composition: Phosphoric acid tributylester (Tributylphosphat) 19.3%, 1,2-Benzenedicarboxylic acid-di-2-propenylester (Diallylphthalate) 8.7%; Methylbenzene (toluol) 12.9%; Diphenylmethanone (Benzophenon) 12.4 %; 1,1,2,2-Tetraphenylethane-1,2-diol (Benzpinakol) 14.6%
Expiry date of batch: 01.02.2013

Results and discussion

Density
Type:
relative density
Density:
1.12 kg/m³
Temp.:
20 °C

Any other information on results incl. tables

The mean density was 1117.9 kg/m3

standard deviation: 0.0013 (n=3)

coefficient of variation: 0.112 % (n=3)

calibrated volume of the pycnometer: 99.8978 cm3

Applicant's summary and conclusion

Executive summary:

For the test item the mean relative density was measured with the pycnometer method according to OECD 109, resp. EU method A.3.

mean relative density: 1.12

The study is considered reliable without restrictions.