Glycerides, mixed decanoyl and octanoyl

Eye irritation

Administrative data

Endpoint:

eye irritation: in vivo

Type of information:

experimental study

Adequacy of study:

key study

Study period:

July 5th, 1988 - July 9th, 1988

Reliability:

2 (reliable with restrictions)

Rationale for reliability incl. deficiencies:

other: GLP - guideline study with acceptable restrictions

Data source

Reference

Reference Type:

study report

Title:

Unnamed

Year:

1988

Report date:

1988

Materials and methods

Test guideline

Qualifier:

according to guideline

Guideline:

EPA OPP 81-4 (Acute Eye Irritation)

Deviations:

yes

Remarks:

purity of test substance not given

GLP compliance:

yes

Test material

Test material information

Constituent 1

Reference substance name:

Glycerides, mixed decanoyl and octanoyl

EC Number:

277-452-2

EC Name:

Glycerides, mixed decanoyl and octanoyl

Cas Number:

73398-61-5

Molecular formula:

C27H50O6 to C33H62O6

IUPAC Name:

Glycerides, mixed decanoyl and octanoyl

Details on test material:

- Name of test material: Caprylic/Capric Triglyceride
- Physical state: pale straw-coloured clear liquid
- Date of arrival: 23 March 1988
- Storage conditions: room temperature
- Analytical purity: no data
no further details given

Test animals / tissue source

Species:

rabbit

Strain:

New Zealand White

Details on test animals or tissues and environmental conditions:

TEST ANIMALS
- Source: David Percival Ltd., Cheshire, U.K.
- Age at study initiation: 12 - 16 weeks
- Weight at study initiation: 2.76 - 3.34 kg
- Housing: individually in suspended metal cages
- Diet (e.g. ad libitum): rabbit diet, Preston Farmers Ltd., Lincolnshire, U.K.
- Water (e.g. ad libitum): yes
- Acclimation period: 5 days

ENVIRONMENTAL CONDITIONS
- Temperature (°C): 16 - 18
- Humidity (%): 65 - 75
- Air changes (per hr): 15
- Photoperiod (hrs dark / hrs light):12/12

Test system

Vehicle:

unchanged (no vehicle)

Controls:

other: left untreated eye of the animals

Amount / concentration applied:

TEST MATERIAL
- Amount(s) applied (volume or weight with unit): 0.1 mL
- Concentration (if solution): unchanged test substance

Duration of treatment / exposure:

single instillation

Observation period (in vivo):

72 hours

Number of animals or in vitro replicates:

6

Details on study design:

REMOVAL OF TEST SUBSTANCE
- Washing (if done):
- Time after start of exposure:

SCORING SYSTEM:
Draize

TOOL USED TO ASSESS SCORE:
standard ophthalmoscope

Results and discussion

In vivo

Results

Results 1

Irritation parameter:

cornea opacity score

Basis:

mean

Remarks:

of 6 tested animals and mean of 3 readings at

Time point:

other: 24, 48 and 72 h

Score:

0

Max. score:

4

Results 2

Irritation parameter:

iris score

Basis:

mean

Remarks:

of 6 tested animals and mean of 3 readings at

Time point:

other: 24, 48 and 72 h

Score:

0

Max. score:

2

Results 3

Irritation parameter:

conjunctivae score

Basis:

animal #1

Remarks:

mean of 3 readings at

Time point:

other: 24, 48 and 72 h

Score:

0.3

Max. score:

3

Reversibility:

fully reversible within: 48 h

Results 4

Irritation parameter:

conjunctivae score

Basis:

animal: #2, #3, #4, #5, #6 and mean of 3 readings at

Time point:

other: 24, 48 and 72 h

Score:

0

Max. score:

3

Results 5

Irritation parameter:

chemosis score

Basis:

animal #1

Time point:

other: 24, 48 and 72 h

Score:

0.3

Max. score:

4

Reversibility:

fully reversible within: 48 h

Results 6

Irritation parameter:

chemosis score

Basis:

animal: #2, #3, #4, #5, #6 and mean of 3 readings at

Time point:

other: 24, 48 and 72 h

Score:

0

Max. score:

4

Applicant's summary and conclusion

Interpretation of results:

not irritating

Remarks:

Migrated information to the rabbit eye in vivo. Criteria used for interpretation of results: EU