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Diss Factsheets

Toxicological information

Acute Toxicity: dermal

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Administrative data

Endpoint:
acute toxicity: dermal
Type of information:
experimental study
Adequacy of study:
weight of evidence
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
guideline study with acceptable restrictions

Data source

Reference
Reference Type:
grey literature
Title:
Unnamed
Year:
1981

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 402 (Acute Dermal Toxicity)
Deviations:
not specified
GLP compliance:
yes
Test type:
standard acute method
Limit test:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
Cyclohexane-1,2-dicarboxylic anhydride
EC Number:
201-604-9
EC Name:
Cyclohexane-1,2-dicarboxylic anhydride
Cas Number:
85-42-7
Molecular formula:
C8H10O3
IUPAC Name:
3a,4,5,6,7,7a-hexahydro-2-benzofuran-1,3-dione

Test animals

Species:
rabbit
Strain:
New Zealand White
Sex:
male/female

Administration / exposure

Type of coverage:
semiocclusive
Vehicle:
not specified
Details on dermal exposure:
TEST SITE
- % coverage: ca. 10% of body surface
- Type of wrap if used: porous gauze dressing

REMOVAL OF TEST SUBSTANCE
- Washing (if done): No data

TEST MATERIAL
- Amount(s) applied (volume or weight with unit): 200 mg / kg body weight
- Concentration (if solution): N/A
- Constant volume or concentration used: yes

VEHICLE
- Amount(s) applied (volume or weight with unit): No data
Duration of exposure:
24 hours
Doses:
2000 mg/kg body weight
No. of animals per sex per dose:
5 males / 5 female
Control animals:
not required
Details on study design:
- Duration of observation period following administration: 14 days
- Frequency of observations and weighing: Weekly (Days 1, 8 and 15)
- Necropsy of survivors performed: yes
- Other examinations performed: clinical signs, body weight, gross necropsy
Statistics:
N/A

Results and discussion

Effect levelsopen allclose all
Key result
Sex:
male/female
Dose descriptor:
LD50
Effect level:
> 2 000 mg/kg bw
Based on:
test mat.
Sex:
male/female
Dose descriptor:
LD0
Effect level:
2 000 mg/kg bw
Based on:
test mat.
Mortality:
No mortality occurred
Clinical signs:
other: Minor irritation of treated skin following 24 hour exposure period
Gross pathology:
No remarkable abnormalities

Applicant's summary and conclusion

Interpretation of results:
GHS criteria not met
Conclusions:
Acute dermal toxicity of HHPA, an analogue of MHHPA, was not acutely toxic by the dermal route.
Executive summary:

Acute dermal toxicity of HHPA, an analogue of MHHPA, has been investigated in the rabbit. The substance was not toxic by the dermal route.