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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
Study period:
March 2, 1983
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Study conducted according to a method similiar to internationally accepted testing guidelines.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1983
Report date:
1983

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 401 (Acute Oral Toxicity)
GLP compliance:
no
Test type:
fixed dose procedure
Limit test:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
Sodium 4-amino-5-hydroxy-3-(4-nitrophenylazo)-6-(phenylazo)naphthalene-2,7-disulphonate
EC Number:
213-903-1
EC Name:
Sodium 4-amino-5-hydroxy-3-(4-nitrophenylazo)-6-(phenylazo)naphthalene-2,7-disulphonate
Cas Number:
1064-48-8
Molecular formula:
C22H16N6O9S2.2Na
IUPAC Name:
sodium 4-amino-5-hydroxy-3-(4-nitrophenylazo)-6-(phenylazo)naphthalene-2,7-disulphonate
Test material form:
solid: particulate/powder
Remarks:
migrated information: powder

Test animals

Species:
mouse
Strain:
CF-1
Sex:
male
Details on test animals or test system and environmental conditions:
TEST ANIMALS
- Age at study initiation: adult mice
-Mean body weight at study initiation: c.a 23 g
- Diet (e.g. ad libitum): Altromin No.1324 DK pellets
- Water : fresh water ad libitum
- Food deprivation: test substance was applied after food deprivation of 18 h.
- Acclimation period: the animales were acclimatized in test cage 5 days prior to application

ENVIRONMENTAL CONDITIONS
- Temperature (°C): room temperature was approx 22 °C
- Humidity (%): c.a. 50 %
- Photoperiod (hrs dark / hrs light): artificial lighting of the room varied every 12 hours

Administration / exposure

Route of administration:
oral: gavage
Vehicle:
water
Details on oral exposure:
VEHICLE
- Concentration in vehicle: the product was provided as pure substance

- Purity:

MAXIMUM DOSE VOLUME APPLIED:
- Injectin volume: constant 20 cm3/kg
Doses:
Single dose application : 5,000 mg/kg
No. of animals per sex per dose:
Ten mice were used
Control animals:
no
Details on study design:
- Duration of observation period following administration: 14 days
- Necropsy of survivors performed: yes, withou any significant results
Other examinations performed:
- clinical signs n ot appliacble.
- Body weight: before application mean of 23.05

Results and discussion

Effect levels
Sex:
male
Dose descriptor:
LD50
Effect level:
> 5 000 mg/kg bw
Based on:
test mat.
Mortality:
No animale died during the test duration
Clinical signs:
other: Not applicable
Gross pathology:
Without any significant finding

Applicant's summary and conclusion

Interpretation of results:
other: Not classified according to the CLP Regulation (EC n. 1272/2008)
Conclusions:
LD 50 >5000 mg/kg body weight
Executive summary:

Method:

Acute oral toxcicity was determined by a single oral appication via stomach tube in male mice, according to the a guideline similar to OECD 423.

Observation:

There were no symptoms of intoxication.

Results:

An LD50 value of > 5000 mg/kg body weight was found.