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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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: dermal
Type of information:
experimental study
Adequacy of study:
key study
Study period:
04 Oct. 1973 to 03 Sept. 1974
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:
1974
Report date:
1974

Materials and methods

Principles of method if other than guideline:
According to D.N. Noakes and D.M. Sanderson: A Method for Determing the Dermal Toxicity of Pesticides. Brit. J. Ind. Med. 26, 59, 1969
GLP compliance:
no
Test type:
fixed dose procedure
Limit test:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
Amines, C10-14-branched and linear alkyl, bis[2-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]benzoato(2-)]chromate(1-)
EC Number:
285-083-3
EC Name:
Amines, C10-14-branched and linear alkyl, bis[2-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]benzoato(2-)]chromate(1-)
Cas Number:
85029-58-9
Molecular formula:
C34H24CrN8O6.C10-14H21-29NH2
IUPAC Name:
reaction mass of: branched and linear(C10-C14)ammonium , bis[2-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]benzoato(2-)]chromate(1-)
Details on test material:
The substance was formerly identified as: 73297-13-9 / 615-953-3 / Chromate(1-), bis[2-[2-[4,5-dihydro-3-methyl-5-(oxo-κO)-1-phenyl-1H-pyrazol-4-yl]diazenyl-κN1]benzoato(2-)-κO]-, hydrogen, compd. with 1-tridecanamine (1:1:1)
Specific details on test material used for the study:
Name of the test substance used in the study report: Neozapongelb R (TDA) Chromium-1.2-complex

old CAS 73297-13-9
new CAS 85029-58-9, same structure

Test animals

Species:
rat
Strain:
Sprague-Dawley
Sex:
male/female
Details on test animals or test system and environmental conditions:
Mean body weight: males 135 g, females 121 g

Administration / exposure

Type of coverage:
occlusive
Vehicle:
water
Details on dermal exposure:
A 50% test substance concentration was used
Application area: 50 cm2 (average)
Duration of exposure:
24 h
Doses:
2500 mg/kg
No. of animals per sex per dose:
5
Control animals:
no
Details on study design:
- Duration of observation period following administration: 14 days
- Necropsy of survivors performed: yes
- Other examinations performed: clinical signs and local skin findings

Results and discussion

Effect levels
Key result
Sex:
male/female
Dose descriptor:
LD50
Effect level:
> 2 500 mg/kg bw
Based on:
test mat.
Mortality:
None
Clinical signs:
other: During and after application as well as during the 14-day observation period the animals were vivacious.
Gross pathology:
Nothing abnormal detected
Other findings:
Local findings:
- After 24 hours all animals showed substance residues (light brown), reddening not visible
- After 8 days: no local effects observed in all animals, yellowish substance residues

Applicant's summary and conclusion

Interpretation of results:
GHS criteria not met