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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Toxicological information

Acute Toxicity: dermal

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Administrative data

Endpoint:
acute toxicity: dermal
Type of information:
experimental study
Adequacy of study:
weight of evidence
Study period:
24 Hour exposure period
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
data from handbook or collection of data
Justification for type of information:
Data review as part of the US National Toxicity Program (NTP) and considered reliable.
Data taken from review of anhydride, showing that the acid (hydride) quickly forms on ingestion.
Together with other weight of evidence, it is concluded that further animal testing cannot be justified

Data source

Reference
Reference Type:
review article or handbook
Title:
Unnamed
Year:
1999

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 402 (Acute Dermal Toxicity)
GLP compliance:
not specified
Remarks:
Performed 1964
Test type:
standard acute method
Limit test:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
Tetrabromophthalic anhydride
EC Number:
211-185-4
EC Name:
Tetrabromophthalic anhydride
Cas Number:
632-79-1
Molecular formula:
C8Br4O3
IUPAC Name:
Tetrabromophthalic anhydride
Test material form:
solid

Test animals

Species:
rabbit
Strain:
New Zealand White
Sex:
male/female

Administration / exposure

Type of coverage:
occlusive
Vehicle:
water
Remarks:
Hydrated form
Duration of exposure:
24 hours,occlusive
Doses:
1 - 10 g/kg
No. of animals per sex per dose:
Not specified
Control animals:
not specified

Results and discussion

Effect levels
Sex:
male/female
Dose descriptor:
LD50
Effect level:
> 10 000 mg/kg bw
Based on:
test mat.
Mortality:
No mortality was reported
Clinical signs:
Animals showed depressed righting and placement reflexes at highest dose levels
There was no sign of dermal irritation
Other findings:
No other findings reported

Applicant's summary and conclusion

Interpretation of results:
GHS criteria not met
Conclusions:
Data review as part of the US National Toxicity Program (NTP) and considered reliable. The substance is concluded to be of low irritation and low toxicity in contact with the skin.
Data taken from review of anhydride, showing that the acid (hydride) quickly forms on ingestion.
Together with other weight of evidence, it is concluded that further animal testing cannot be justified