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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Toxicological information

Eye irritation

Currently viewing:

Administrative data

Endpoint:
eye irritation: in vivo
Type of information:
experimental study
Adequacy of study:
key study
Study period:
1999
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1999
Report date:
1999

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
EU Method B.5 (Acute Toxicity: Eye Irritation / Corrosion)
Qualifier:
according to guideline
Guideline:
OECD Guideline 405 (Acute Eye Irritation / Corrosion)
GLP compliance:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
Fatty acids, tall-oil, reaction products with diethylenetriamine, maleic anhydride, tetraethylenepentamine and triethylenetetramine
EC Number:
273-601-0
EC Name:
Fatty acids, tall-oil, reaction products with diethylenetriamine, maleic anhydride, tetraethylenepentamine and triethylenetetramine
Cas Number:
68990-47-6
Molecular formula:
The substance is a UVCB substance. One of the most likely and the smallest molecule arising from the reaction process is assumed to be: C18H33O. C18H31O. 2C4H12N3 . C4H2O2
IUPAC Name:
Reaction product of 2,5-Furandione with reaction products of tall-oil fatty acids, diethylenetriamine, triethylenetetramine and tetraethylenepentamine
Details on test material:
Identification: Polyamide
CAS: No. 68990-47-6
Batch No.: CEM 2158/9
Characteristics: very viscous dark mass
Storage conditions: in a dark and cool place

Test animals / tissue source

Species:
rabbit
Strain:
New Zealand White
Details on test animals or tissues and environmental conditions:
TEST ANIMALS
- Source: Conelli snc
- Age at study initiation: 2-3 months
- Weight at study initiation: 2-3 kg
- Housing: in the same room of the treatment
- Diet : ad libitum
- Water : from municipal water main

ENVIRONMENTAL CONDITIONS
- Temperature (°C): 19+/- 2 °C
- Humidity (%): 55 +/- 10%
- Air changes (per hr): 15-20
- Photoperiod (hrs dark / hrs light): 12 h circadian cycle

Test system

Vehicle:
unchanged (no vehicle)
Controls:
no
Amount / concentration applied:
0.1 g/animal
Duration of treatment / exposure:
24hours
Observation period (in vivo):
1, 24, 48 and 72 hours after the test article application. After the 24 hour reading, the cornea was examined after instillation of one drop of 1% sodium fluorescein and successive washing out with sterile saline solution.
Number of animals or in vitro replicates:
3 males

Results and discussion

In vivo

Resultsopen allclose all
Irritation parameter:
conjunctivae score
Remarks:
redness
Basis:
mean
Time point:
other: 24 h
Score:
1.67
Max. score:
2
Reversibility:
fully reversible
Irritation parameter:
conjunctivae score
Remarks:
redness
Basis:
mean
Time point:
other: 48 h
Score:
0.67
Max. score:
1
Reversibility:
fully reversible
Irritation parameter:
conjunctivae score
Remarks:
redness
Basis:
mean
Time point:
other: 72 h
Score:
0
Max. score:
0
Irritation parameter:
chemosis score
Basis:
mean
Time point:
other: 24 h
Score:
0.34
Max. score:
1
Reversibility:
fully reversible within: 24 h
Irritation parameter:
chemosis score
Basis:
mean
Time point:
other: 48 h
Score:
0
Max. score:
0
Irritation parameter:
cornea opacity score
Remarks:
opacity
Basis:
mean
Time point:
other: 24 - 72 h
Score:
0
Max. score:
0
Irritation parameter:
iris score
Basis:
mean
Time point:
other: 48-72 h
Score:
0
Max. score:
0

Applicant's summary and conclusion

Interpretation of results:
not irritating
Remarks:
Migrated information Criteria used for interpretation of results: OECD GHS
Conclusions:
The test article POLYAMIDE CAS No. 68990-47-6 administered to rabbits as a single ocular application, is to be considered NON IRRITANT for the eye.