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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Toxicological information

Skin irritation / corrosion

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Administrative data

Endpoint:
skin irritation: in vivo
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
test procedure in accordance with generally accepted scientific standards and described in sufficient detail

Data source

Referenceopen allclose all

Reference Type:
study report
Title:
Unnamed
Year:
1981
Report date:
1981
Reference Type:
publication
Title:
Unnamed
Year:
1981

Materials and methods

Principles of method if other than guideline:
500 µl Phosphono succinic acid tetramethylester were semiocclusively applied once to the intact skin (ear) of two young adult New Zealand white rabbits (3.0–4.0 kg) for an exposure period of 24 hours. Evaluation of skin irritation was made until day 7 according to Draize.
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
Dimethyl (dimethoxyphosphinyl)succinate
EC Number:
220-518-2
EC Name:
Dimethyl (dimethoxyphosphinyl)succinate
Cas Number:
2788-26-3
Molecular formula:
C8H15O7P
IUPAC Name:
1,4-dimethyl 2-(dimethoxyphosphoryl)butanedioate

Test animals

Species:
rabbit
Strain:
New Zealand White

Test system

Type of coverage:
semiocclusive
Preparation of test site:
shaved
Vehicle:
unchanged (no vehicle)
Controls:
not required
Amount / concentration applied:
500 µl
Duration of treatment / exposure:
24 houts
Observation period:
7 days
Number of animals:
2 rabbits
Details on study design:
After 24 hours the test material was removed with water and soap.

Results and discussion

In vivo

Resultsopen allclose all
Irritation parameter:
erythema score
Basis:
mean
Time point:
24/48/72 h
Score:
0
Max. score:
4
Reversibility:
other: score = 0 at any time point
Irritation parameter:
edema score
Basis:
mean
Time point:
24/48/72 h
Score:
0
Max. score:
4
Reversibility:
other: score = 0 at any time point
Irritant / corrosive response data:
not irritant
Other effects:
No other effects reported.

Applicant's summary and conclusion

Interpretation of results:
GHS criteria not met
Conclusions:
The test substance proved to be not irritating.
Executive summary:

500 µl Phosphono succinic acid tetramethylester were semiocclusively applied once to the intact skin (ear) of two young adult New Zealand white rabbits (3.0–4.0 kg) for an exposure period of 24 hours. Evaluation of skin irritation was made until day 7 according to Draize. Erythema and edema score = 0 at 24/48/72 hours. The test substance proved to be not irritating.