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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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Administrative data

Endpoint:
acute toxicity: inhalation
Type of information:
experimental study
Adequacy of study:
other information
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: 2a: Data from international report and study was performed according to OECD guideline without detail documentation.

Data source

Reference
Reference Type:
review article or handbook
Title:
SIDS INITIAL ASSESSMENT PROFILE
Author:
OECD
Year:
2011
Bibliographic source:
UNEP publications
Report date:
2011

Materials and methods

Test guideline
Qualifier:
no guideline available
Principles of method if other than guideline:
No further details
GLP compliance:
not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
Thiophene
EC Number:
203-729-4
EC Name:
Thiophene
Cas Number:
110-02-1
Molecular formula:
C4H4S
IUPAC Name:
thiophene

Test animals

Species:
rat
Strain:
not specified
Sex:
not specified

Administration / exposure

Route of administration:
inhalation
Duration of exposure:
6 h

Results and discussion

Effect levels
Sex:
not specified
Dose descriptor:
LC50
Effect level:
4 525 ppm
Based on:
not specified
Exp. duration:
6 h
Remarks on result:
other: = 15.6 mg/l

Applicant's summary and conclusion

Conclusions:
The inhalation LC50 was reported to be 4525 ppm (15.6 mg/L) for a 6 h exposure in rats.