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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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: other routes
Type of information:
experimental study
Adequacy of study:
supporting study
Reliability:
2 (reliable with restrictions)

Data source

Reference
Title:
Acute intraperitoneal LD50 in rat, Test n° 831156, TK 10417 (Irgafos TNPP)
Author:
Kobel
Year:
1983
Bibliographic source:
Ciba-Geigy Limited.

Materials and methods

GLP compliance:
not specified
Limit test:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
Tris(nonylphenyl) phosphite
EC Number:
247-759-6
EC Name:
Tris(nonylphenyl) phosphite
Cas Number:
26523-78-4
Molecular formula:
C45H69O3P
IUPAC Name:
Phenol, nonyl-, phosphite (3:1)
Details on test material:
other TS: Trisnonylphenyl phosphite

Test animals

Species:
rat
Strain:
other: Tif:RAIf(SPF)
Sex:
male/female
Details on test animals or test system and environmental conditions:
TEST ANIMALS- Age at study initiation: 7-8 weeks - Weight at study initiation: 195 to 240 g

Administration / exposure

Route of administration:
intraperitoneal
Vehicle:
other: distilled water containing 0.5% carboxymethylcellulose and 0.1% polysorbate 80.
Details on exposure:
Single dose of 1000 mg/kg bw, by intraperitoneal injection.
Doses:
one single dose
No. of animals per sex per dose:
10
Control animals:
other: needed for data submission
Details on study design:
- Duration of observation period following administration: Mortality and symptoms were observed daily for 14 days - Frequency of observations and weighing: 80 Animals were weighed at day 1, 7 and 14.- Necropsy of survivors performed: yes, the animals were submitted to a gross necropsy at the end of the observation period.
Statistics:
No data

Results and discussion

Effect levels
Sex:
male/female
Dose descriptor:
LD50
Effect level:
> 1 000 mg/kg bw
Mortality:
No mortality occurred during the study.
Clinical signs:
Dyspnoea, exophtalmus, ruffled fur and curved body position were seen, being common symptoms in acute tests. Animals recovered within 12 days.
Body weight:
No data
Gross pathology:
At autopsy, peritoneal adhesions in the liver and spleen area were found in 8/10 animals.

Applicant's summary and conclusion

Conclusions:
LD50 (ip) >1000 mg/kg.
Executive summary:

LD50 (ip) >1000 mg/kg.