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reaction mass of Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis[5-[[4-[bis(2- hydroxyethyl)amino]-6-(phenylamino)-1,3,5-triazin-2-yl]amino]-, disodium salt and Benzenesulfonic acid, 5-[[4-[bis(2-hydroxyethyl)amino]-6-(phenylamino)-1,3,5-triazin-2-yl]amino]-2-[2-[4-[[4-[(2-hydroxyethyl)amino]-6-(phenylamino)-1,3,5-triazin-2-yl]amino]-2-sulfophenyl]ethenyl]-, disodium salt
EC number: 942-661-6 | CAS number: -
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![](https://echa.europa.eu/o/diss-blank-theme/images/factsheets/A-REACH/factsheet/print_toxicological-information.png)
Eye irritation
Administrative data
- Endpoint:
- eye irritation: in vivo
- Type of information:
- migrated information: read-across from supporting substance (structural analogue or surrogate)
- Adequacy of study:
- key study
- Study period:
- From September 07th to 16th, 2005
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: see 'Remark'
- Remarks:
- Study conducted according to internationally accepted testing guidelines and performed in compliance with Good Laboratory Practice. Justification for read across approach is given in the endpoint summary and in the read across justification report attached to the Section 13 of this dossier.
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 005
- Report date:
- 2005
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 405 (Acute Eye Irritation / Corrosion)
- Version / remarks:
- adopted April 24, 2002
- Qualifier:
- according to guideline
- Guideline:
- EU Method B.5 (Acute Toxicity: Eye Irritation / Corrosion)
- Version / remarks:
- April 29, 2004
- GLP compliance:
- yes (incl. QA statement)
Test material
Constituent 1
Test animals / tissue source
- Species:
- rabbit
- Strain:
- New Zealand White
- Details on test animals or tissues and environmental conditions:
- TEST ANIMALS
- Source: Charles River Deutschland GmbH Stolzenseeweg 32-36 D-88353 Kisslegg / Germany.
- Age at study initiation: 12-14 weeks.
- Weight at study initiation: 1687 - 2454 g
- Housing: individually in stainless steel cages equipped with feed hoppers and drinking water bowls. Wood blocks and haysticks 4642 (batch no. 35/05, Provimi Kliba AG) were provided for gnawing.
- Diet: pelleted standard Provimi Kliba 3418 rabbit maintenance diet ad libitum (batch no. 34/05) provided by Provimi Kliba AG, CH-4303 Kaiseraugst.
- Water: community tap water from Füllinsdorf, ad libitum.
- Acclimation period: under laboratory conditions after health examination. Only animals without any visual signs of illness were used for the study.
ENVIRONMENTAL CONDITIONS
- Temperature: ranges for room temperature 17-23 °C.
- Humidity: 30-70 %
- Air changes: approximately 10-15 air changes per hour.
- Photoperiod: animals were provided with an automatically controlled light cycle of 12 hours light and 12 hours dark.
- Other: music was played during the daytime light period.
Room temperature and humidity were monitored continuously and values outside of these ranges may have occasionally occurred, usually following room cleaning. These transient variations are considered not to have any influence on the study and, therefore, these data are not reported but are retained at testing laboratory.
Test system
- Vehicle:
- unchanged (no vehicle)
- Controls:
- yes, concurrent no treatment
- Amount / concentration applied:
- TEST MATERIAL
- Amount applied: 0.1 g (per animal) was weighed and applied undiluted as it was delivered by the Sponsor.
- pH: the pH of 1 % (w/w) solution of the test item was measured for previous study and was found to be 8.07. - Number of animals or in vitro replicates:
- 3 (animals of both sexes were used)
- Details on study design:
- The eyes of the animals were examined one day prior to test item administration.
Animals with overt signs of ocular injury or irritation which may have interfered with the interpretation of the results were not used in the test.
APPLICATION OF TEST MATERIAL
- Application: on the day of treatment, 0.1 g of the test item was placed in the conjunctival sac of the left eye of each animal after gently pulling the lower lid away from the eyeball. The lids were then gently held together for about one second to prevent loss of test item.
- Control: the right eye remained untreated and served as the reference control.
As it was suspected that the test item might produce irritancy, a single animal (one female) was treated first. As neither a corrosive effect nor a severe irritant effect was observed after the 1- and 24-hour examinations, the test was completed using the two remaining animals.
REMOVAL OF TEST SUBSTANCE
- Washing: the treated eyes were not rinsed after instillation.
OBSERVATIONS
- Viability/Mortality: daily from acclimatization of the animals to the termination of test.
- Clinical signs: daily from acclimatization of the animals to the termination of test.
- Body weights: at start of acclimatization, on the day of application and at termination of observation.
NECROPSY
No necropsy was performed on the animals sacrificed at termination of observation.
All rabbits were sacrificed by an intravenous injection of Vetanarcol into the ear vein at a dose of at least 1 ml/kg body weight (equivalent to 162 mg sodium pentobarbitone/kg body weight) and discarded.
TOOL USED TO ASSESS SCORE
Eye examinations were made with a Varta Cliptrix diagnostic-lamp (Roth AG, CH-4153 Reinach/Switzerland).
SCORING SYSTEM
The ocular reaction (i.e. corneal opacity, iridic effects, conjunctivae and chemosis) was assessed according to the numerical scoring system listed in the Commission Directive 2004/73/EC, April 29, 2004, at approximately 1, 24, 48 and 72 hours after instillation.
Additionally, ocular discharge, reddening of the sclerae and staining of conjunctivae, sclerae and cornea by the test item was assessed.
Grading of Ocular Lesions
CORNEA
Opacity: degree of density (area most dense taken for reading)
No ulceration or opacity: 0
Scattered or diffuse areas of opacity (other than slight dulling of normal lustre), details of iris clearly visible: 1
Easily discernible translucent area, details of iris slightly obscured: 2
Nacreous area, no details of iris visible, size of pupil barely discernible: 3
Opaque comea, iris not discernible through the opacity: 4
Area of cornea involved
Zero: 0
One quarter (or less) but not zero: 1
Greater than one quarter, but less than half: 2
Greater than half, but less than three quarters: 3
Greater than three quarters, up to whole area: 4
IRIS
Normal: O
Markedly deepened rugae, congestion, swelling, moderate circumcorneal hyperaemia, or injection, any of these or combination of any thereof, iris still reacting to light (sluggish reaction is positive): 1
No reaction to light, haemorrhage, gross destruction (any or all of these): 2
CONJUNCTIVAE
Redness (refers to most severe reading of palpebral and bulbar conjunctivae when compared with control eye)
Blood vessels normal: 0
Some blood vessels definitely hyperaemic (injected): 1
Diffuse, crimson colour, individual vessels not easily discernible: 2
Diffuse beefy red: 3
Chemosis: lids and/or nictitating membranes
No swelling: 0
Any swelling above normal (including nictitating membranes): 1
Obvious swelling with partial eversion of lids: 2
Swelling with lids about half-closed: 3
Swelling with lids more than half-closed: 4
ADDITIONALLY, OCULAR DISCHARGE, REDDENING OF THE SCLERAE AND STAINING OF CONJUNCTIVAE, SCLERAE AND CORNEA BY THE TEST ITEM WAS ASSESSED ACCORDING TO THE FOLLOWING SCHEME:
OCULAR DISCHARGE
No discharge: 0
Slight: any amount different to normal (does not include small amount observed in inner canthus of normal animal): 1
Moderate: discharge with moistening of the lids and hair just adjacent to the lids: 2
Marked: discharge with moistening of the lids and hairs, and a considerable area around the eye (running): 3
SCLERAE
Redness
Normal: blood vessels nomial: 0
Slight reddening: some blood vessels definitely hyperemic (injected): 1
Moderate reddening: diffuse, crimson colour, individual vessels not easily disoernible: 2
Marked reddening: diffuse beefy red: 3
STAINING OF CONJUNCTIVAE, SCLERAE AND CORNEA BY THE TEST ITEM
Not observed: 0
Slight staining: 1
Marked staining: 2
Results and discussion
In vivo
Resultsopen allclose all
- Irritation parameter:
- cornea opacity score
- Basis:
- animal: 3/3
- Time point:
- other: 24, 28 and 72 hrs
- Score:
- < 1
- Irritation parameter:
- iris score
- Basis:
- animal: 3/3
- Time point:
- other: 24, 28 and 72 hrs
- Score:
- < 1
- Irritation parameter:
- conjunctivae score
- Basis:
- animal: 3/3
- Time point:
- other: 24, 28 and 72 hrs
- Score:
- < 2
- Irritation parameter:
- chemosis score
- Basis:
- animal: 3/3
- Time point:
- other: 24, 28 and 72 hrs
- Score:
- < 2
- Irritant / corrosive response data:
- The mean score was calculated across 3 scoring times (24, 48 and 72 hours after instillation) for each animal for corneal opacity, iris, redness and chemosis of the
conjunctivae, separately. The individual mean scores for corneal opacity and iris were 0.00 for all three animals. The individual mean scores for the conjunctivae were 0.00, 0.33 and 0.33 for reddening and 0.00 for chemosis for all three animals, respectively.
No abnormal Endings were observed in the cornea or iris of any animal at any of the measurement intervals.
Slight to moderate reddening of the conjunctivae was noted in all animals at the 1-hour reading and slight reddening persisted in two animals up to 24 hours after test item instillation.
Slight swelling of the conjunctivae (chemosis) to obvious swelling with partial eversion of the lids was observed in two animals one hour after treatment.
Slight to moderate reddening of the sclerae was present in all animals at the 1-hour observation and slight reddening persisted in one animal up to the 24-hour examination.
Slight ocular discharge was observed in one animal one hour after treatment.
No abnormal findings were observed in the treated eye of any animal 48 hours after treatment.
COLORATION
No staining of the treated eyes produced by the test item was observed.
CORROSION
No corrosion of the cornea was observed at any of the reading times. - Other effects:
- No clinical signs of systemic toxicity were observed in the animals during the study and no mortality occurred.
Any other information on results incl. tables
EYE IRRITATION SCORES
Animal | Sex | 1 hr | 24 hrs | 48 hrs | 72 hrs | Mean 24, 48, 72 hrs |
Cornea opacity | ||||||
22 | M | 0 | 0 | 0 | 0 | 0 |
23 | F | 0 | 0 | 0 | 0 | 0 |
24 | F | 0 | 0 | 0 | 0 | 0 |
Iritis | ||||||
22 | M | 0 | 0 | 0 | 0 | 0 |
23 | F | 0 | 0 | 0 | 0 | 0 |
24 | F | 0 | 0 | 0 | 0 | 0 |
Conjunctival Redness | ||||||
22 | M | 1 | 0 | 0 | 0 | 0 |
23 | F | 2 | 1 | 0 | 0 | 0.33 |
24 | F | 2 | 1 | 0 | 0 | 0.33 |
Conjunctival Chemosis | ||||||
22 | M | 0 | 0 | 0 | 0 | 0 |
23 | F | 2 | 0 | 0 | 0 | 0 |
24 | F | 1 | 0 | 0 | 0 | 0 |
Sclera | ||||||
22 | M | 1 | 0 | 0 | 0 | |
23 | F | 2 | 1 | 0 | 0 | |
24 | F | 2 | 0 | 0 | 0 |
INDIVIDUAL FINDINGS
ANIMAL N. 22, MALE | ANIMAL N. 23, FEMALE | ANIMAL N. 24, FEMALE | |
After 1 hour | Cornea: no abnormal findings noted Iris: no abnormal findings noted Conjunctivae: slightly reddened Discharge: no abnormal findings noted Slerae: slightly reddened Test item: no remnants evident |
Cornea: no abnormal findings noted Iris: no abnormal findings noted Conjunctivae: moderately reddened, obvious swelling with partial eversion of the lids Discharge: no abnormal findings noted Slerae: moderately reddened Test item: no remnants evident |
Cornea: no abnormal findings noted Iris: no abnormal findings noted Conjunctivae: moderately reddened, slight swelling Discharge: slight discarge Slerae: moderately reddened Test item: no remnants evident |
After 24 hours | Cornea: no abnormal findings noted Iris: no abnormal findings noted Conjunctivae: no abnormal findings noted Discharge: no abnormal findings noted Slerae: no abnormal findings noted Test item: no remnants evident |
Cornea: no abnormal findings noted Iris: no abnormal findings noted Conjunctivae: slightly reddened Discharge: no abnormal findings noted Slerae: slightly reddened Test item: no remnants evident |
Cornea: no abnormal findings noted Iris: no abnormal findings noted Conjunctivae: slightly reddened Discharge: no abnormal findings noted Slerae: no abnormal findings noted Test item: no remnants evident |
After 48 hours | Cornea: no abnormal findings noted Iris: no abnormal findings noted Conjunctivae: no abnormal findings noted Discharge: no abnormal findings noted Slerae: no abnormal findings noted Test item: no remnants evident |
Cornea: no abnormal findings noted Iris: no abnormal findings noted Conjunctivae: no abnormal findings noted Discharge: no abnormal findings noted Slerae: no abnormal findings noted Test item: no remnants evident |
Cornea: no abnormal findings noted Iris: no abnormal findings noted Conjunctivae: no abnormal findings noted Discharge: no abnormal findings noted Slerae: no abnormal findings noted Test item: no remnants evident |
After 72 hours | Cornea: no abnormal findings noted Iris: no abnormal findings noted Conjunctivae: no abnormal findings noted Discharge: no abnormal findings noted Slerae: no abnormal findings noted Test item: no remnants evident |
Cornea: no abnormal findings noted Iris: no abnormal findings noted Conjunctivae: no abnormal findings noted Discharge: no abnormal findings noted Slerae: no abnormal findings noted Test item: no remnants evident |
Cornea: no abnormal findings noted Iris: no abnormal findings noted Conjunctivae: no abnormal findings noted Discharge: no abnormal findings noted Slerae: no abnormal findings noted Test item: no remnants evident |
Applicant's summary and conclusion
- Interpretation of results:
- not classified
- Remarks:
- Migrated information according to the CLP Regulation (EC 1272/2008) Criteria used for interpretation of results: EU
- Conclusions:
- not irritating
- Executive summary:
The primary eye irritation potential of test item was investigated according to OECD test guideline no. 405. The test item was applied by instillation of 0.1 g into the left eye of each of three young adult New Zealand White rabbits. Scoring of irritation effects was performed approximately 1, 24, 48 and 72 hours after test item instillation. The mean score was calculated across 3 scoring times (24, 48 and 72 hours after instillation) for each animal for corneal opacity, iris, redness and chemosis of the conjunctivae, separately. The individual mean scores for corneal opacity and iris were 0.00 for all three animals. The individual mean scores for the conjunctivae were 0.00, 0.33 and 0.33 for reddening and 0.00 for chemosis for all three animals, respectively. The instillation of the substance into the eye resulted in mild, early-onset and transient ocular changes, such as reddening of the conjunctivae and sclerae, discharge and chemosis. These effects were reversible and were no longer evident 48 hours after treatment. No abnormal Endings were observed in the cornea or iris of any animal at any of the examinations. No corrosion was observed at any of the measuring intervals. No staining of the treated eyes by the test item was observed and no clinical signs were observed. Thus, the test item did not induce significant or irreversible damage to the rabbit eye.
Conclusion
The mean values from gradings at 24, 48 and 72 hours were lower than 1 for corneal opacity, lower than 1 for irtitis, lower than 2 for both conjunctival redness and oedema, in all animals.
Therefore the substance does not meet the criteria to be classified as eye irritating, according to the CLP (EC 1272/2008) Regulation.
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