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Toxicological information

Eye irritation

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Administrative data

Endpoint:
eye irritation: in vivo
Type of information:
experimental study
Adequacy of study:
key study
Study period:
15 November 1982 to 22 November 1982
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: see 'Remark'
Remarks:
Study conducted in compliance with agreed protocols, with no or minor deviations from standard test guidelines and/or minor methodological deficiencies, which do not affect the quality of the relevant results. The study report was conclusive, done to a valid guidelines and the study was conducted under GLP conditions.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1983
Report date:
1983

Materials and methods

Test guidelineopen allclose all
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 405 (Acute Eye Irritation / Corrosion)
Deviations:
no
Qualifier:
equivalent or similar to guideline
Guideline:
EU Method B.5 (Acute Toxicity: Eye Irritation / Corrosion)
Deviations:
no
GLP compliance:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
9-Octadecenoic acid (Z)-, monoester with 1,2,3-propanetriol ester with boric acid (H3BO3)
EC Number:
264-092-6
EC Name:
9-Octadecenoic acid (Z)-, monoester with 1,2,3-propanetriol ester with boric acid (H3BO3)
Cas Number:
63310-16-7
Molecular formula:
C21H39O5B (based on the representative structure below)
IUPAC Name:
2-hydroxy-3-{[hydroxy({2-hydroxy-3-[(9Z)-octadec-9-enoyloxy]propoxy})boranyl]oxy}propyl (9Z)-octadec-9-enoate; 3-{[bis({2-hydroxy-3-[(9Z)-octadec-9-enoyloxy]propoxy})boranyl]oxy}-2-hydroxypropyl (9Z)-octadec-9-enoate; {2-hydroxy-3-[(9Z)-octadec-9-enoyloxy]propoxy}boronic acid
Test material form:
liquid: viscous
Details on test material:
- Physical state: viscous brown liquid

Test animals / tissue source

Species:
rabbit
Strain:
New Zealand White
Details on test animals or tissues and environmental conditions:
TEST ANIMALS
- Source: Nitabell Rabbitry, Hayward, California, USA
- Age at study initiation: 9 - 11 weeks
- Weight at study initiation: 2.21 - 2.44 kg (males); 2.09 - 2.46 kg (females)
- Housing: individually in wire-bottom cages
- Diet: approximately 115 g Purina Rabbit Chow #5321, daily
- Water: ad libitum
- Acclimation period: 5 - 11 days

ENVIRONMENTAL CONDITIONS
- Temperature (°C): approximately 21 ºC
- Humidity (%): 55 - 77 %
- Photoperiod (hrs dark / hrs light): 12 hours dark / 12 hours light

IN-LIFE DATES: From 15 November 1982 to 22 November 1982

Test system

Vehicle:
unchanged (no vehicle)
Controls:
yes, concurrent no treatment
Amount / concentration applied:
TEST MATERIAL
- Amount(s) applied (volume or weight with unit): 0.1 mL
Duration of treatment / exposure:
- Dose administration: Approximately 0.1 mL test material was applied into the conjunctival sac of one eye of each rabbit. The other eye was untreated (control eye).
Observation period (in vivo):
Animals were observed up to 7 days post administration
Number of animals or in vitro replicates:
9 animals
Details on study design:
REMOVAL OF TEST SUBSTANCE
- Washing (if done): Irrigation was performed on three of the rabbits by rinsing the control and treated eye for one minute at a rate of 250 mL per minute with distilled water 30 seconds after treatment.

SCORING SYSTEM:
The reactions observed were scored in accordance with the criteria of Draize (1959). See "Any other information on materials and methods incl. tables" for more information. All eyes were examined and graded for ocular reaction at one hour and at 1, 2, 3, 4 and 7 days.

Results and discussion

In vivo

Resultsopen allclose all
Irritation parameter:
overall irritation score
Basis:
mean
Time point:
other: 1 hour
Score:
6.3
Max. score:
20
Reversibility:
fully reversible within: 72 hours
Remarks on result:
other: Unrinsed eyes
Irritation parameter:
overall irritation score
Basis:
mean
Time point:
other: 24 hours
Score:
1.7
Max. score:
20
Reversibility:
fully reversible within: 72 hours
Remarks on result:
other: Unrinsed eyes
Irritation parameter:
overall irritation score
Basis:
mean
Time point:
other: 48 hours
Score:
0.67
Max. score:
20
Reversibility:
fully reversible within: 72 hours
Remarks on result:
other: Unrinsed eyes
Irritation parameter:
overall irritation score
Basis:
mean
Time point:
other: 72 hours
Score:
0
Max. score:
20
Remarks on result:
other: Unrinsed eyes
Irritation parameter:
overall irritation score
Basis:
mean
Time point:
other: 96 hours
Score:
0
Max. score:
20
Remarks on result:
other: Unrinsed eyes
Irritation parameter:
overall irritation score
Basis:
mean
Time point:
other: 7 days
Score:
0
Max. score:
20
Remarks on result:
other: Unrinsed eyes
Irritation parameter:
overall irritation score
Basis:
mean
Time point:
other: 1 hour
Score:
4
Max. score:
20
Reversibility:
fully reversible within: 72 hours
Remarks on result:
other: Rinsed eyes
Irritation parameter:
overall irritation score
Basis:
mean
Time point:
other: 24 hours
Score:
0.67
Max. score:
20
Reversibility:
fully reversible within: 72 hours
Remarks on result:
other: Rinsed eyes
Irritation parameter:
overall irritation score
Basis:
mean
Time point:
other: 48 hours
Score:
0.67
Max. score:
20
Reversibility:
fully reversible within: 72 hours
Remarks on result:
other: Rinsed eyes
Irritation parameter:
overall irritation score
Basis:
mean
Time point:
other: 72 hours
Score:
0
Max. score:
20
Remarks on result:
other: Rinsed eyes
Irritation parameter:
overall irritation score
Basis:
mean
Time point:
other: 96 hours
Score:
0
Max. score:
20
Remarks on result:
other: Rinsed eyes
Irritation parameter:
overall irritation score
Basis:
mean
Time point:
other: 7 days
Score:
0
Max. score:
20
Remarks on result:
other: Rinsed eyes
Irritant / corrosive response data:
Neither corneal opacity nor iritis was observed during the study. The test material caused very slight to severe conjunctival irritation in all treated-unrinsed eyes one hour after dosing. Moderate conjunctival irritation was observed in all treated-rinsed eyes one hour after dosing. Both treated-unrinsed and treated-rinsed eyes appeared normal by the 72 hour reading.
Other effects:
No signs of ill-health were noted in any animal during the study.

Any other information on results incl. tables

Table 2: Irritation Results of Treated Eyes

Time after treatment

Rinsed/ Unrinsed

Cornea

Iris

Conjunctivae

Total individual scores

Mean score

Opacity

Area

Redness

Chemosis

Discharge

1 hour

Unrinsed

0

0

0

3

0

0

6

6.3

Unrinsed

0

0

0

3

0

0

6

Unrinsed

0

0

0

2

1

0

6

Unrinsed

0

0

0

3

0

1

8

Unrinsed

0

0

0

3

0

0

6

Unrinsed

0

0

0

3

0

0

6

Rinsed

0

0

0

2

0

0

4

4

Rinsed

0

0

0

2

0

0

4

Rinsed

0

0

0

2

0

0

4

24 hours

Unrinsed

0

0

0

1

0

0

2

1.7

Unrinsed

0

0

0

2

0

0

4

Unrinsed

0

0

0

0

0

0

0

Unrinsed

0

0

0

1

0

0

2

Unrinsed

0

0

0

0

0

0

0

Unrinsed

0

0

0

1

0

0

2

Rinsed

0

0

0

0

0

0

0

0.67

Rinsed

0

0

0

0

0

0

0

Rinsed

0

0

0

1

0

0

2

48 hours

Unrinsed

0

0

0

0

0

0

0

0.67

Unrinsed

0

0

0

1

0

0

2

Unrinsed

0

0

0

0

0

0

0

Unrinsed

0

0

0

1

0

0

2

Unrinsed

0

0

0

0

0

0

0

Unrinsed

0

0

0

0

0

0

0

Rinsed

0

0

0

0

0

0

0

0.67

Rinsed

0

0

0

0

0

0

0

Rinsed

0

0

0

1

0

0

2

72 hours

Unrinsed

0

0

0

0

0

0

0

0

Unrinsed

0

0

0

0

0

0

0

Unrinsed

0

0

0

0

0

0

0

Unrinsed

0

0

0

0

0

0

0

Unrinsed

0

0

0

0

0

0

0

Unrinsed

0

0

0

0

0

0

0

Rinsed

0

0

0

0

0

0

0

0

Rinsed

0

0

0

0

0

0

0

Rinsed

0

0

0

0

0

0

0

96 hours

Unrinsed

0

0

0

0

0

0

0

0

Unrinsed

0

0

0

0

0

0

0

Unrinsed

0

0

0

0

0

0

0

Unrinsed

0

0

0

0

0

0

0

Unrinsed

0

0

0

0

0

0

0

Unrinsed

0

0

0

0

0

0

0

Rinsed

0

0

0

0

0

0

0

0

Rinsed

0

0

0

0

0

0

0

Rinsed

0

0

0

0

0

0

0

7 days

Unrinsed

0

0

0

0

0

0

0

0

Unrinsed

0

0

0

0

0

0

0

Unrinsed

0

0

0

0

0

0

0

Unrinsed

0

0

0

0

0

0

0

Unrinsed

0

0

0

0

0

0

0

Unrinsed

0

0

0

0

0

0

0

Rinsed

0

0

0

0

0

0

0

0

Rinsed

0

0

0

0

0

0

0

Rinsed

0

0

0

0

0

0

0

Applicant's summary and conclusion

Interpretation of results:
not classified
Remarks:
Migrated information Criteria used for interpretation of results: EU
Conclusions:
Under the conditions of the study, the test material only elicited slight reactions in any of the animals during the course of the study with all eyes appearing normal by 72 hours. The test material does not require classification as an eye irritant. The study is considered to be reliable, relevant and adequate for risk assessment and classification and labelling purposes.
Executive summary:

The eye irritation potential of the test material was determined following a methodology equivalent to standardised guidelines OECD 405 and EU Method B.5. During the study 0.1 mL test material was applied into one eye of each of nine rabbits, the other eye remained untreated and served as a control. The treated and control eyes of three of the animals were rinsed with water 30 seconds after treatment. All animals were assessed for up to 7 days to determine the grade of ocular reaction. Under the conditions of the study neither corneal opacity nor iritis was observed. The test material caused very slight to severe conjunctival irritation in all treated-unrinsed eyes one hour after dosing. Moderate conjunctival irritation was observed in all treated-rinsed eyes one hour after dosing. Both treated-unrinsed and treated-rinsed eyes appeared normal by the 72 hour reading. In consideration of the ocular effects observed it was concluded that the test material does not require classification as an eye irritant.