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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
April - November 2017
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2018
Report date:
2018

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
EU Method A.3 (Relative Density)
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

Test material

Constituent 1
Chemical structure
Reference substance name:
2-isopropyl-N,2,3-trimethylbutyramide
EC Number:
256-974-4
EC Name:
2-isopropyl-N,2,3-trimethylbutyramide
Cas Number:
51115-67-4
Molecular formula:
C10H21NO
IUPAC Name:
2-isopropyl-N,2,3-trimethylbutyramide
Test material form:
solid
Specific details on test material used for the study:
Batch number: 80100005
Expiration date: 13 October 2018
Purity: 99.8%
Stored at Room temperature (nominally 15 to 25C), dark
Physical state/appearance: White solid

Results and discussion

Density
Key result
Type:
relative density
Density:
0.993 other: relative compared to water at 4C
Temp.:
20 °C

Any other information on results incl. tables

Table 1. Results of duplicate determinations of relative density of WS-23

 Parameter  Determination 1  Determination 2
 w1  19.07928  18.58380
 w2  44.82532  43.64085
 w3  44.82415  43.63167
 w4  20.07966  19.58205
 w5  44.81840  43.62686
     
 W1 25.74604   25.05705
 W2 25.74487  25.04787
 W3 1.00038    0.99825
 W4  24.73874  24.04481
 W5  1.00613  1.00306
     
 (T p 1)  0.99795  0.99763
     
 mean (T p 1) 0.99779
     
 Vs  1.00835  1.00528
     
 (20 D 4)  0.992  0.993
     
 mean (20 D 4) 0.993

 

Applicant's summary and conclusion

Conclusions:
The relative density of WS-23 at 20°C compared to water at 4°C was found to be 0.993.
Executive summary:

The relative density of WS-23 was determined relative to purified water using a pyknometer at 20°C. The relative density of WS-23 at 20°C compared to water at 4°C was found to be 0.993.