Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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
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:
study report
Title:
Unnamed
Year:
1976
Report date:
1976

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 401 (Acute Oral Toxicity)
Deviations:
no
GLP compliance:
no
Test type:
standard acute method
Limit test:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
Ammonium manganese diphosphate, monoclinic and triclinic
Molecular formula:
MnKx (NH4)1-x P2O7 (0 =< x =< 0.5)
IUPAC Name:
Ammonium manganese diphosphate, monoclinic and triclinic
Details on test material:
Lot X-1426

Test animals

Species:
rat
Sex:
male/female
Details on test animals or test system and environmental conditions:
TEST ANIMALS
- Weight at study initiation: 200-300 g
- Fasting period before study: yes, fasted for 24 h

Administration / exposure

Route of administration:
oral: gavage
Vehicle:
propylene glycol
Doses:
4000, 8000, 10000, 12500, 16000, 20000 and 32000 mg/kg
No. of animals per sex per dose:
Five animals per dose
Control animals:
no
Details on study design:
- Duration of observation period following administration: Two weeks
- Frequency of observations: Animals were observed daily.
- Necropsy of survivors performed: No postmortem, or histopathology examinations were performed in this particular study.

Results and discussion

Effect levelsopen allclose all
Key result
Dose descriptor:
LD50
Effect level:
12 900 mg/kg bw
Based on:
test mat.
95% CL:
11 500 - 14 400
Dose descriptor:
LD0
Effect level:
10 000 mg/kg bw
Based on:
test mat.
Clinical signs:
other: Ruffled, unkempt coats were evident at 4000 mg/kg. Lethargy, unkempt coats and nasal hemorrhage were prevalent in the animals dosed at 8000 mg/kg and 10000 mg/kg. Staggering gait, impaired locomotion, lethargy and nasal hemorrhage were noted at levels of

Applicant's summary and conclusion

Interpretation of results:
not classified
Remarks:
Criteria used for interpretation of results: EU
Conclusions:
The oral LD50 was determined to be 12900 mg/kg.
Executive summary:

An acute oral toxicity was performed using albino male and female rats. The oral LD50 was determined to be 12900 mg/kg (95% confidence limits = 11500 -14400 mg/kg).