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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
skin irritation: in vivo
Type of information:
experimental study
Adequacy of study:
supporting study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: study performed according to OECD and GLP guidelines
Cross-referenceopen allclose all
Reason / purpose for cross-reference:
reference to same study
Reason / purpose for cross-reference:
reference to other study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1997
Report date:
1997

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 404 (Acute Dermal Irritation / Corrosion)
Deviations:
no
GLP compliance:
yes (incl. QA statement)

Test material

Constituent 1
Chemical structure
Reference substance name:
Phosphonium, [(2E,4E)-5-[(4R)-4-hydroxy-2,6,6-trimethyl-1-cyclohexen-1-yl]-3-methyl-2,4-pentadienyl]triphenyl-, chloride
EC Number:
616-370-7
Cas Number:
76686-31-2
Molecular formula:
C33H38ClOP
IUPAC Name:
Phosphonium, [(2E,4E)-5-[(4R)-4-hydroxy-2,6,6-trimethyl-1-cyclohexen-1-yl]-3-methyl-2,4-pentadienyl]triphenyl-, chloride

Test animals

Species:
rabbit
Strain:
New Zealand White

Test system

Type of coverage:
semiocclusive
Preparation of test site:
clipped
Vehicle:
water
Controls:
no
Duration of treatment / exposure:
4 h
Observation period:
72 h
Number of animals:
3

Results and discussion

In vivo

Results
Irritation parameter:
overall irritation score
Basis:
mean
Time point:
other: 0 - 72h
Score:
0
Max. score:
0
Other effects:
no observed effects

Any other information on results incl. tables

-

Applicant's summary and conclusion

Interpretation of results:
not irritating
Remarks:
Migrated information Criteria used for interpretation of results: EU
Conclusions:
Substance is not irritating
Executive summary:

To assess the primary skin irritation potential of Zeyanl salt, a primary skin irritation

study was performed in three (one male and two females) young adult New Zealand White rabbits.

The fur of the left flank was clipped and 0.5 g of the substance was applied epicutaneously

to an area of approximately 6 cm2 and then covered with a semi-occlusive dressing for

approximately 4 hours. After removal of the dressing and test article, the skin reactions

(erythema and eschar, as well as oedema formation) were evaluated at 1, 24, 48 and 72 hours

after application. The primary irritation score was calculated to reflect and classify the irritant

potential of the test article. The dermal exposure to Zeanyl salt did not cause cutaneous irritation in any animal.

The Primary Irritation Score for the substance was 0.00 (the maximum attainable score is 8.0).

Following evaluation of the experimental data according to the EEC classification criteria,

it is classified as "not irritating" to rabbit skin.