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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
skin irritation: in vivo
Type of information:
experimental study
Adequacy of study:
supporting study
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1999

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
OECD Guideline 404 (Acute Dermal Irritation / Corrosion)
Qualifier:
according to guideline
Guideline:
EU Method B.4 (Acute Toxicity: Dermal Irritation / Corrosion)
GLP compliance:
yes (incl. QA statement)

Test material

Constituent 1
Chemical structure
Reference substance name:
2-bromo-2-methylpropionyl bromide
EC Number:
244-017-3
EC Name:
2-bromo-2-methylpropionyl bromide
Cas Number:
20769-85-1
Molecular formula:
C4H6Br2O
IUPAC Name:
2-bromo-2-methylpropanoyl bromide

Test animals

Species:
rabbit
Strain:
New Zealand White

Test system

Type of coverage:
semiocclusive
Preparation of test site:
other: clipped using elctric clippers
Vehicle:
unchanged (no vehicle)
Controls:
yes, concurrent no treatment
Amount / concentration applied:
0,5 mL of the test substance applied to a 6 cm2 dry gauze pad
Duration of treatment / exposure:
4 hours
Observation period:
4 hours
Number of animals:
3 foreseen, 1 effectively used

Results and discussion

In vivo

Results
Irritation parameter:
other: Visual observation
Basis:
mean
Time point:
other: On removal of the deressing after 4 hours
Remarks on result:
other: Test substance is corrosive : thickness destruction observed

Applicant's summary and conclusion

Interpretation of results:
corrosive
Remarks:
Migrated information Criteria used for interpretation of results: EU
Conclusions:
Under our experimental conditions, the test substance 2-bromoisobutyryl bromide is corrosive when applied topically to rabbits.