Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
viscosity
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: scientifically acceptable guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2009
Report date:
2009

Materials and methods

Principles of method if other than guideline:
other: measured
GLP compliance:
no
Type of method:
capillary viscometer (static)

Test material

Constituent 1
Chemical structure
Reference substance name:
ethyl (2R,3R)-3,4-dibromo-2-methylbutanoate; ethyl (2R,3S)-3,4-dibromo-2-methylbutanoate; ethyl (2S,3R)-3,4-dibromo-2-methylbutanoate; ethyl (2S,3S)-3,4-dibromo-2-methylbutanoate
EC Number:
700-225-0
Cas Number:
1160806-44-9
Molecular formula:
C7 H12 Br2 O2
IUPAC Name:
ethyl (2R,3R)-3,4-dibromo-2-methylbutanoate; ethyl (2R,3S)-3,4-dibromo-2-methylbutanoate; ethyl (2S,3R)-3,4-dibromo-2-methylbutanoate; ethyl (2S,3S)-3,4-dibromo-2-methylbutanoate
Constituent 2
Reference substance name:
Reaction mass of cis-3,4-Dibromo-2-methyl-butanoic acid ethyl ester and trans-3,4-Dibromo-2-methyl-butanoic acid ethyl ester
IUPAC Name:
Reaction mass of cis-3,4-Dibromo-2-methyl-butanoic acid ethyl ester and trans-3,4-Dibromo-2-methyl-butanoic acid ethyl ester

Results and discussion

Viscosityopen allclose all
Temp.:
20°C
Parameter:
kinematic viscosity (in mm²/s)
Value:
5.49
Temp.:
40°C
Parameter:
kinematic viscosity (in mm²/s)
Value:
2.92
Temp.:
20°C
Parameter:
dynamic viscosity (in mPa s)
Value:
8.97
Temp.:
40°C
Parameter:
dynamic viscosity (in mPa s)
Value:
4.7

Applicant's summary and conclusion