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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
acute toxicity: oral
Type of information:
experimental study
Adequacy of study:
key study
Study period:
10 Aug - 07 Sep 2016
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2016
Report date:
2016

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
OECD Guideline 423 (Acute Oral toxicity - Acute Toxic Class Method)
Version / remarks:
adopted in 2001
Deviations:
no
Qualifier:
according to guideline
Guideline:
EU Method B.1 tris (Acute Oral Toxicity - Acute Toxic Class Method)
Version / remarks:
adopted in 2008
GLP compliance:
yes (incl. QA statement)
Remarks:
Behörde für Gesundheit und Verbraucherschutz, Hamburg, Germany
Test type:
acute toxic class method
Limit test:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
3-chloro-2-[3-(2-chloroacetyl)-4,5-dihydro-1,2-oxazol-5-yl]phenyl methanesulfonate
EC Number:
811-477-7
Cas Number:
1446134-16-2
Molecular formula:
C12H11Cl2NO5S
IUPAC Name:
3-chloro-2-[3-(2-chloroacetyl)-4,5-dihydro-1,2-oxazol-5-yl]phenyl methanesulfonate

Test animals

Species:
rat
Strain:
other: CD/Crl:CD(SD)
Sex:
female

Administration / exposure

Route of administration:
oral: gavage
Vehicle:
other: 0.8% aqueous hydroxypropyl methylcellulose
Doses:
2000 mg/kg bw
No. of animals per sex per dose:
3 females per step
Control animals:
no

Results and discussion

Effect levels
Key result
Sex:
female
Dose descriptor:
LD50
Effect level:
> 2 000 mg/kg bw
Based on:
test mat.
Mortality:
No mortality occurred during the study period.
Clinical signs:
other: No clinical signs of toxicity were observed up to the end of the 14-day observation period.
Gross pathology:
Necropsy and histopathological examination revealed no substance-related findings.

Applicant's summary and conclusion

Interpretation of results:
other: CLP/EU GHS criteria not met, no classification required according to Regulation (EC) No. 1272/2008.
Conclusions:
Oral administration of 2000 mg/kg bw test substance did not induce mortality in female rats and was not associated with clinical signs of toxicity, impairment of body weight development or gross and histopahtological abnormalities. The LD50 value was > 2000 mg/kg bw. No classification is required according to CLP/EU GHS criteria.