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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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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

Principles of method if other than guideline:
5/rat/sex; limit test; 14-days observation period
GLP compliance:
no
Test type:
standard acute method
Limit test:
yes

Test material

Constituent 1
Reference substance name:
Direct Red 111
IUPAC Name:
Direct Red 111

Test animals

Species:
rat
Sex:
male/female

Administration / exposure

Route of administration:
oral: unspecified
Vehicle:
water
Details on oral exposure:
VEHICLE
- Concentration in vehicle: 15 g in 50 ml

MAXIMUM DOSE VOLUME APPLIED: 16.7 ml / kg

Doses:
5000 mg/kg
No. of animals per sex per dose:
5
Control animals:
not specified
Details on study design:
- Duration of observation period following administration: 14 days
- Frequency of weighing: day 0, day 7, day 14

Results and discussion

Effect levels
Sex:
male/female
Dose descriptor:
LD50
Effect level:
> 5 000 mg/kg bw
Based on:
test mat.
Mortality:
None.
Body weight:
Weight in g
male day 0 day 7 day 14
1 160 210 255
2 135 180 235
3 155 200 240
4 165 210 260
5 155 200 240
female
6 160 180 205
7 160 170 185
8 155 170 185
9 155 165 190
10 150 165 180

Applicant's summary and conclusion

Interpretation of results:
other: not classified according to the CLP Regulation (EC 1272/2008)
Conclusions:
LD50 > 5000 mg/kg
Executive summary:

Method

5 rat/sex were dosed by oral route at 5000 mg/kg as single dose. Observations were carried out for 14 days after dosing.

Results

No mortality was recorded. LD50 > 5000 mg/kg.