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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Administrative data

Endpoint:
eye irritation, other
Remarks:
in vivo test
Type of information:
experimental study
Adequacy of study:
key study
Study period:
1994
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1994
Report date:
1994

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
other: OECD Short-term and Long-term toxicology group Final Report: Acute eye irritation/corrosivity 1979/12/31 pag. 40
Deviations:
no
Qualifier:
according to guideline
Guideline:
OECD Guideline 405 (Acute Eye Irritation / Corrosion)
Deviations:
no
GLP compliance:
not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
Escin
EC Number:
229-880-6
EC Name:
Escin
Cas Number:
6805-41-0
Molecular formula:
C110H172O48
IUPAC Name:
(2S,3S,4S,5R,6R)-6-{[(3S,4S,4aR,6aR,6bS,8R,8aR,9R,10R,12aS,14aR,14bR)-9-(acetyloxy)-8-hydroxy-4,8a-bis(hydroxymethyl)-4,6a,6b,11,11,14b-hexamethyl-10-[(2-methylbutanoyl)oxy]-1,2,3,4,4a,5,6,6a,6b,7,8,8a,9,10,11,12,12a,14,14a,14b-icosahydropicen-3-yl]oxy}-4-hydroxy-3,5-bis({[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy})oxane-2-carboxylic acid; (2S,3S,4S,5R,6R)-6-{[(3S,4S,4aR,6aR,6bS,8R,8aR,9R,10R,12aS,14aR,14bR)-9-(acetyloxy)-8-hydroxy-4,8a-bis(hydroxymethyl)-4,6a,6b,11,11,14b-hexamethyl-10-{[(2E)-2-methylbut-2-enoyl]oxy}-1,2,3,4,4a,5,6,6a,6b,7,8,8a,9,10,11,12,12a,14,14a,14b-icosahydropicen-3-yl]oxy}-4-hydroxy-3,5-bis({[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy})oxane-2-carboxylic acid
Test material form:
solid

Test animals / tissue source

Species:
rabbit
Strain:
New Zealand White
Details on test animals or tissues and environmental conditions:
6 White Rabbit (New Zealand). Weight 2-3 kg. Sex: male
Each rabbit has been housing in stainless steel cages of mm 450x500x80 with automatic washing cycle.
Animals have been feeding with pellet complete diet of authorized breeding.
Animals have been driinking water from local network filtred.
Housing: Temperature 20+-2°C Hygrometry: 55+-15% H.R. Air changed at least 25 times for hour and mantained at a higher pressure than the outside atmosphere. Artificial lighting: 12 h/day.

Test system

Vehicle:
water
Controls:
other: each animal serving as its own control
Amount / concentration applied:
The test material (0.1 mL/animal of a solution at 5% p/v)
Duration of treatment / exposure:
single dose
Observation period (in vivo):
1 - 24 - 48 - 72 hours
Number of animals or in vitro replicates:
6

Results and discussion

In vivo

Resultsopen allclose all
Irritation parameter:
other: 1
Remarks:
h
Basis:
other: mean daily scores
Time point:
other: 1
Score:
17.33
Max. score:
17.33
Reversibility:
not fully reversible within: 7
Remarks:
days
Irritation parameter:
overall irritation score
Basis:
other: mean daily scores
Time point:
24 h
Score:
12
Max. score:
12
Reversibility:
not fully reversible within: 7
Remarks:
days
Irritation parameter:
overall irritation score
Basis:
other: mean daily scores
Time point:
48 h
Score:
5
Max. score:
5
Reversibility:
not fully reversible within: 7
Remarks:
days
Irritation parameter:
overall irritation score
Basis:
other: mean daily scores
Time point:
72 h
Score:
4.67
Max. score:
4.67
Reversibility:
not fully reversible within: 7
Remarks:
days
Irritation parameter:
overall irritation score
Basis:
other: mean daily scores
Time point:
7 d
Score:
3
Max. score:
3
Reversibility:
not fully reversible within: 7
Remarks:
days

Applicant's summary and conclusion

Interpretation of results:
Category 2 (irritating to eyes) based on GHS criteria
Conclusions:
Warning, Eye Irrit. 2, Causes serious eye irritation.