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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Repeated dose toxicity: oral

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Administrative data

Endpoint:
sub-chronic toxicity: oral
Type of information:
experimental study
Adequacy of study:
supporting study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: This is a publication result

Data source

Reference
Reference Type:
publication
Title:
Unnamed

Materials and methods

GLP compliance:
no
Limit test:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
Sulfapyridine
EC Number:
205-642-7
EC Name:
Sulfapyridine
Cas Number:
144-83-2
Molecular formula:
C11H11N3O2S
IUPAC Name:
4-amino-N-pyridin-2-ylbenzenesulfonamide
Test material form:
not specified
Details on test material:
no data

Test animals

Species:
other: mice
Strain:
not specified
Sex:
not specified
Details on test animals or test system and environmental conditions:
weight: 12.06-19.74 g

Administration / exposure

Route of administration:
oral: feed
Vehicle:
not specified
Details on oral exposure:
no data
Analytical verification of doses or concentrations:
not specified
Details on analytical verification of doses or concentrations:
no data
Duration of treatment / exposure:
28 days
Frequency of treatment:
no data
Doses / concentrations
Remarks:
Doses / Concentrations:
1 and 2 %.
Basis:
nominal in diet
No. of animals per sex per dose:
no data
Details on study design:
no data
Positive control:
no data

Examinations

Observations and examinations performed and frequency:
no data
Sacrifice and pathology:
no data
Other examinations:
no data
Statistics:
no data

Results and discussion

Results of examinations

Clinical signs:
not specified
Mortality:
not specified
Body weight and weight changes:
not specified
Food consumption and compound intake (if feeding study):
not specified
Food efficiency:
not specified
Water consumption and compound intake (if drinking water study):
not specified
Ophthalmological findings:
not specified
Haematological findings:
not specified
Clinical biochemistry findings:
not specified
Urinalysis findings:
not specified
Behaviour (functional findings):
not specified
Organ weight findings including organ / body weight ratios:
not specified
Gross pathological findings:
effects observed, treatment-related
Description (incidence and severity):
The principal pathological change appears to be renal damage.
Histopathological findings: non-neoplastic:
not specified
Histopathological findings: neoplastic:
not specified
Details on results:
1 %:
day: 0 5 10 15 20 25 28
No. of survivors: 14 14 14 14 14 14 14
Mean of total dose eaten by survivors: 0.814 g

2 %:
day: 0 5 10 15 20 25 28
No. of survivors: 28 28 28 28 27 27 27
Mean of total dose eaten by survivors: 1.477 g

Target system / organ toxicity

Critical effects observed:
not specified

Applicant's summary and conclusion

Conclusions:
1 %:
day: 0 5 10 15 20 25 28
No. of survivors: 14 14 14 14 14 14 14
Mean of total dose eaten by survivors: 0.814 g

2 %:
day: 0 5 10 15 20 25 28
No. of survivors: 28 28 28 28 27 27 27
Mean of total dose eaten by survivors: 1.477 g
Executive summary:

Mice were fed the Sherman No. 1 diet containing the drugs in concentrations of 1 and 2 %. The result was as follows:

1 %:

day: 0 5 10 15 20 25 28

No. of survivors: 14 14 14 14 14 14 14

Mean of total dose eaten by survivors: 0.814 g

2 %:

day: 0 5 10 15 20 25 28

No. of survivors: 28 28 28 28 27 27 27

Mean of total dose eaten by survivors: 1.477 g