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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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: oral
Type of information:
experimental study
Adequacy of study:
supporting study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
guideline study without detailed documentation

Data source

Reference
Reference Type:
other company data
Title:
Unnamed
Year:
1988
Report date:
1988

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 401 (Acute Oral Toxicity)
Deviations:
not applicable
GLP compliance:
no
Test type:
fixed dose procedure
Limit test:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
1-amino-4-(3-amino-2,4,6-trimethyl-5-sulphoanilino)-9,10-dihydro-9,10-dioxoanthracene-2-sulphonic acid
EC Number:
246-025-2
EC Name:
1-amino-4-(3-amino-2,4,6-trimethyl-5-sulphoanilino)-9,10-dihydro-9,10-dioxoanthracene-2-sulphonic acid
Cas Number:
24124-40-1
Molecular formula:
C23H21N3O8S2
IUPAC Name:
1-amino-4-[(3-amino-2,4,6-trimethyl-5-sulfophenyl)amino]-9,10-dioxo-9,10-dihydroanthracene-2-sulfonic acid
Test material form:
solid

Test animals

Species:
rat
Strain:
Wistar
Remarks:
Albino rat
Sex:
male/female
Details on test animals or test system and environmental conditions:
TEST ANIMALS
- Source: no data
- Females (if applicable) nulliparous and non-pregnant: [yes]
- Age at study initiation: no data (adult)
- Weight at study initiation: no data
- Fasting period before study: yes
- Housing: groups of 3
- Diet (e.g. ad libitum): ad libitum
- Water (e.g. ad libitum): ad libitum
- Acclimation period: no data

ENVIRONMENTAL CONDITIONS
- Temperature (°C): no data
- Humidity (%): no data
- Air changes (per hr): no data
- Photoperiod (hrs dark / hrs light): 12/12

IN-LIFE DATES: From: To:

Administration / exposure

Route of administration:
oral: gavage
Vehicle:
not specified
Details on oral exposure:
single exposure
Doses:
2000 mg/kg bw
No. of animals per sex per dose:
3 males and 3 females
Control animals:
no
Details on study design:
no data

Results and discussion

Effect levels
Dose descriptor:
LD50
Effect level:
> 2 000 mg/kg bw
Mortality:
no deaths occurred
Clinical signs:
other: Piloerection, hunched posture, dyspnoea, diarrhea observed on the day of TS application
Gross pathology:
No clinical findings noted.
Other findings:
Extremities showed blue discolouration. Animals recovered fully within 6 days.

Applicant's summary and conclusion

Interpretation of results:
GHS criteria not met
Conclusions:
LD 50 > 2000 mg/kg bw.
Executive summary:

The test substance is judged to harvest no acute orla toxicity to rats.