Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Environmental fate & pathways

Hydrolysis

Currently viewing:

Administrative data

Endpoint:
hydrolysis
Type of information:
experimental study
Adequacy of study:
supporting study
Study period:
Not reported
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
other: Study which does not give sufficient experimental details to allow reliability to be assessed.

Data source

Reference
Reference Type:
other company data
Title:
Unnamed
Year:
1979
Report date:
1979

Materials and methods

Test guideline
Qualifier:
no guideline followed
Principles of method if other than guideline:
Nine samples of FireMaster 100, batch #180, were prepared for hydrolysis by placing approximately one gram of FireMaster 100 in each of nine bottles containing thirty mls of distilled water. The bottles were tightly capped and put on a shaker.
Samples were taken approximately twice weekly and the water tested for pH and bromide ion formation.
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
Hexabromocyclododecane
EC Number:
247-148-4
EC Name:
Hexabromocyclododecane
Cas Number:
25637-99-4
Molecular formula:
C12H18Br6
IUPAC Name:
(1S,2S,5S,6S,9S,10S)-1,2,5,6,9,10-hexabromocyclododecane
Constituent 2
Reference substance name:
1,2,5,6,9,10-hexabromocyclodecane
EC Number:
221-695-9
EC Name:
1,2,5,6,9,10-hexabromocyclodecane
Cas Number:
3194-55-6
IUPAC Name:
1,2,5,6,9,10-hexabromocyclododecane
Details on test material:
Test Material was nine samples of CAS 3194-55-6 (Firemaster 100)

Study design

Analytical monitoring:
not specified
Details on sampling:
Samples were taken approximately twice weekly and the water tested for pH and bromide ion formation.
Buffers:
not reported
Estimation method (if used):
pH and Br measurements
Details on test conditions:
Nine samples of FireMaster 100, batch #180, were prepared for hydrolysis by placing approximately one gram of FireMaster 100 in each of nine bottles containing thirty mls of distilled water. The bottles were tightly capped and put on a shaker.
Duration of test
Duration:
39 d
Initial conc. measured:
other: not reported
Number of replicates:
9
Positive controls:
not specified
Negative controls:
not specified
Statistical methods:
not reported

Results and discussion

Preliminary study:
not reported
Test performance:
not reported
Transformation products:
not specified
Details on hydrolysis and appearance of transformation product(s):
not reported
Other kinetic parameters:
not reported
Details on results:
After 900 hours (39 days) no bromide ion formation was detected in any of the samples. The detection limit of the method used was 200 ppm.
pH measurements did not show any significant trend when analyzed by linear regression analysis at the 95% confidence level.

Applicant's summary and conclusion

Validity criteria fulfilled:
not specified
Conclusions:
No significant hydrolysis occurs under the conditions of this experiment.
Executive summary:

An hydrolysis experiment on FireMaster 100 has been completed. Nine samples of Fire Master 100 (batch #180) were prepared for hydrolysis by placing approximately 1 g of FireMaster 100 in each of nine bottles containing 30 mL of distilled water. The bottles were tightly capped and put on a shaker. Samples were taken approximately twice weekly and the water tested for pH and bromide ion formation. After 900 hours (39 days) no bromide ion formation was detected in any of the samples. The detection limit of the method used was 200 ppm. pH measurements did not show any significant trend when analysed by linear regression analysis at the 95% confidence level. It can be concluded that no hydrolysis occurs under the conditions of this study.