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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
2008
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2008
Report date:
2008

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
OECD Guideline 423 (Acute Oral toxicity - Acute Toxic Class Method)
Qualifier:
according to guideline
Guideline:
EU Method B.1 tris (Acute Oral Toxicity - Acute Toxic Class Method)
GLP compliance:
no
Test type:
acute toxic class method

Test material

Constituent 1
Chemical structure
Reference substance name:
1-(5-chloro-2-thienyl)ethan-1-one
EC Number:
228-630-3
EC Name:
1-(5-chloro-2-thienyl)ethan-1-one
Cas Number:
6310-09-4
Molecular formula:
C6H5ClOS
IUPAC Name:
1-(5-chlorothiophen-2-yl)ethan-1-one

Test animals

Species:
rat
Strain:
Sprague-Dawley
Sex:
female

Administration / exposure

Route of administration:
oral: gavage
Vehicle:
DMSO
Doses:
10 mL/kg w/w
No. of animals per sex per dose:
2000 mg/kg => 3 female rats
300 mg/kg => 3 female rats
50 mg/kg => 3 female rats
5 mg/kg => 6 female rats
Control animals:
not specified

Results and discussion

Effect levels
Sex:
female
Dose descriptor:
LD50
Effect level:
ca. 25 mg/kg bw

Applicant's summary and conclusion

Interpretation of results:
Category 2 based on GHS criteria
Conclusions:
H300 Fatal if swallowed