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EC number: 220-666-8 | CAS number: 2855-13-2
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- Aquatic toxicity
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- Irritation / corrosion
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Eye irritation
Administrative data
- Endpoint:
- eye irritation: in vivo
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 1983-11-24 - 1983-11-25
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 983
- Report date:
- 1983
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 405 (Acute Eye Irritation / Corrosion)
- Version / remarks:
- 1981
- Deviations:
- no
- GLP compliance:
- no
Test material
- Reference substance name:
- 3-aminomethyl-3,5,5-trimethylcyclohexylamine
- EC Number:
- 220-666-8
- EC Name:
- 3-aminomethyl-3,5,5-trimethylcyclohexylamine
- Cas Number:
- 2855-13-2
- Molecular formula:
- C10H22N2
- IUPAC Name:
- 3-aminomethyl-3,5,5-trimethylcyclohexylamine
- Details on test material:
- Isophorone diamine, purity: 99.70 %
0.14 % isophorone aminonitril
0.12 % N-methyl isophorone diamine
Constituent 1
Test animals / tissue source
- Species:
- rabbit
- Strain:
- other: Small white Russian
- Details on test animals or tissues and environmental conditions:
- TEST ANIMALS
- Sex: female
- Source: Dr. Karl Thomae, Biberach
- Weight at study initiation: 2.3 kg
- Sex: female
- Weight at study initiation: 2.8 kg
- Controls: untreated eye
- Housing: single housing in stainless steel cages
- Diet: ad libitum, special diet for rabbits, SSniff K4
- Water: ad libitum, tab water
- Acclimation period: 14 days
ENVIRONMENTAL CONDITIONS
- Temperature (°C): 20.0 +/- 1 °C
- Humidity (%): 60 +/- 5 %
- Air changes (per hr): 15 times per hour
- Photoperiod (hrs dark / hrs light): 12 hours artificial light, 12 hours dark
Test system
- Vehicle:
- unchanged (no vehicle)
- Controls:
- other: Controls: right eye
- Amount / concentration applied:
- undiluted
Amount applied: 0.1 ml - Duration of treatment / exposure:
- 24 hour(s)
- Observation period (in vivo):
- Postexposure period: 24 hours
Evalutation took place after 1 h and 24 hrs - Number of animals or in vitro replicates:
- 1
- Details on study design:
- Teh test item was applied to the sac, formed by retracting the lower eyelid of the left eye. The right eye remained untreated and served as control. The test product was not washed out.
An evaluation of the reaction according to Draize was planned, but due to the strong corrosive effects of the test substance a scoring was not possible and therefore not reported.
Results and discussion
In vivo
Results
- Irritation parameter:
- overall irritation score
- Basis:
- animal #1
- Time point:
- other: 24 hours
- Score:
- 110
- Max. score:
- 110
- Reversibility:
- not reversible
- Remarks on result:
- other: Due to the strong corrosive effects of the test substance Isophorone diamine a scoring was not possible and therefore not reported (details see in section "Remarks on results including tables and figures")
- Irritant / corrosive response data:
- The undiluted substance produced serious injury almost immediately after application (corrosive effects, opalescence). 24 hours after treatment
conjunctiva showed necrosis. Due to the corrosive effect of the test material, only 1 animal was used and the experiment terminated after 24 hours. - Other effects:
- no other effects
Any other information on results incl. tables
Due to the strong corrosive effects of the test substance Isophorone diamine a scoring was not possible and therefore not reported. The undiluted substance produced serious injury almost immediately after application (corrosive effects, opalescence). 24 hours after treatment conjunctiva showed necrosis. Due to the corrosive effect of the test material, only 1 animal was used and the experiment terminated after 24 hours.
Applicant's summary and conclusion
- Conclusions:
- The test item showed a strongly irritant and corrosive effect on the eye and on the mucosa of the rabbit under the conditions of the study.
- Executive summary:
The test item was investigated for irritant effects on the eye and associated mucous membranes of 1 female rabbit according to OECD TG 405 (1981). The test substance was applied in a single dose of 0.1 ml into the conjuntival sac of the animal. The undiluted substance produced serious injury almost immediately after application (corrosive effects, opalescence). 24 hours after treatment conjunctiva showed necrosis. Due to the corrosive effect of the test material, only 1 animal was used and the experiment terminated after 24 hours.The lesions were not reversible. Therefore, Isophorone diamine is considered to be corrosive.
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