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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
no data
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Comparable to guideline study (BASF internal test method), no GLP.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1980
Report date:
1980

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 402 (Acute Dermal Toxicity)
Principles of method if other than guideline:
BASF Test (BASF internal method). In principle, the methods described by OECD TG 402 are followed.
GLP compliance:
no
Remarks:
pre-GLP study
Test type:
standard acute method
Limit test:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
Cyanoacetic acid
EC Number:
206-743-9
EC Name:
Cyanoacetic acid
Cas Number:
372-09-8
Molecular formula:
C3H3NO2
IUPAC Name:
cyanoacetic acid
Details on test material:
- Name of test material (as cited in study report): Cyanessigsäure (cyanoacetic acid)
- Analytical purity: not given
No further data

Test animals

Species:
rat
Strain:
Sprague-Dawley
Sex:
male/female
Details on test animals or test system and environmental conditions:
TEST ANIMALS
male and female Sprague-Dawley rats
- Source: Hagemann
- Diet (ad libitum): Herilan MRH Haltungsdiät (H. Eggersmann KG)
- Water (ad libitum): tap water

ENVIRONMENTAL CONDITIONS: no data

IN-LIFE DATES: no data

Administration / exposure

Type of coverage:
not specified
Vehicle:
water
Details on dermal exposure:
Application of a 50% aqueous suspension.
No further data.
Doses:
2000 mg/kg bw
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, gross pathology

Results and discussion

Effect levels
Dose descriptor:
LD50
Effect level:
> 2 000 mg/kg bw
Mortality:
No mortality was observed.
Clinical signs:
other: 1) Signs of systemic toxicity: Dyspnea, aggressiveness, staggering, saltatory spasms, diarrhea, and poor general state was reported. 2) Signs of local irritation: Slight erythema, marked edema, and yellow-coloured residues of the test substance were o
Gross pathology:
No pathological findings were observed.

Applicant's summary and conclusion

Interpretation of results:
study cannot be used for classification
Remarks:
Migrated information