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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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Administrative data

Endpoint:
acute toxicity: oral
Type of information:
experimental study
Adequacy of study:
weight of evidence
Study period:
1962
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
study well documented, meets generally accepted scientific principles, acceptable for assessment

Data source

Reference
Reference Type:
publication
Title:
Unnamed
Year:
1962

Materials and methods

Principles of method if other than guideline:
As described in Smyth, H.; Carpenter, C.; Well, C.; Pozzani, U.; Striegel, J., Range-Finding Toxicity Data, List VI American Industrial Hygiene Association Journal 23(2) 95-107 (1962)
GLP compliance:
no
Remarks:
presumably no accepted guideline existing at that time
Test type:
standard acute method
Limit test:
no

Test material

Constituent 1
Test material form:
solid
Details on test material:
not reported
Specific details on test material used for the study:
no data available

Test animals

Species:
rat
Strain:
Wistar
Remarks:
Carworth-Wistar
Sex:
male
Details on test animals or test system and environmental conditions:
4-5 weeks old, 90-120 / animal , Rockland rat diet, complete, reared in own premisees of Mellon Institute of Industrial Research, Pittsburgh

Administration / exposure

Route of administration:
oral: gavage
Vehicle:
unchanged (no vehicle)
Details on oral exposure:
intubation
Doses:
logarithmic factor 2x
No. of animals per sex per dose:
5
Control animals:
yes
Details on study design:
14 d observation period

Results and discussion

Effect levels
Sex:
male
Dose descriptor:
LD0
Effect level:
>= 1 540 mg/kg bw
Based on:
test mat.
Mortality:
no
Clinical signs:
no effect observed

Applicant's summary and conclusion

Interpretation of results:
GHS criteria not met
Conclusions:
no effect in rats, LC0 rat oral >= 1540 mg/kg bw (highest concentration tested)
Executive summary:

In a study of Smyth, H.; Carpenter, C.; Well, C.; Pozzani, U.; Striegel, J., Range-Finding Toxicity Data, List VI American Industrial Hygiene Association Journal 23(2) 95-107 (1962), no effect was observed in rats, yielding a LC0 rat oral >= 1540 mg/kg bw for the highest concentration tested