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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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 / corrosion
Remarks:
in vitro
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Test procedure in accordance with generally accepted scientific standards and described in sufficient detail

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1978

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
EU Method B.4 (Acute Toxicity: Dermal Irritation / Corrosion)
GLP compliance:
not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
Methylphosphonous dichloride
EC Number:
211-631-8
EC Name:
Methylphosphonous dichloride
Cas Number:
676-83-5
Molecular formula:
CH3Cl2P
IUPAC Name:
dichloro(methyl)phosphane

Test animals

Species:
rabbit
Strain:
Himalayan

Test system

Type of coverage:
occlusive
Preparation of test site:
shaved
Vehicle:
other: sesame oil
Controls:
not specified
Duration of treatment / exposure:
24 h
Observation period:
72 h
Number of animals:
6

Results and discussion

In vivo

Resultsopen allclose all
Irritation parameter:
erythema score
Basis:
mean
Time point:
other: 24-72 h
Score:
1.5
Max. score:
2
Reversibility:
no data
Remarks:
application site dicoloured; skin cracked
Remarks on result:
other: 10% solution in vehicle
Irritation parameter:
edema score
Basis:
mean
Time point:
other: 24-72 h
Score:
2.44
Max. score:
4
Reversibility:
no data
Remarks on result:
other: 10% solution in vehicle
Irritation parameter:
erythema score
Basis:
mean
Time point:
other: 24-72 h
Score:
0.72
Max. score:
1
Reversibility:
no data
Remarks on result:
other: 1% solution in vehicle
Irritation parameter:
edema score
Basis:
mean
Time point:
other: 24-72 h
Score:
0.5
Max. score:
1
Reversibility:
no data
Remarks on result:
other: 1% solution in vehicle

Applicant's summary and conclusion

Interpretation of results:
corrosive
Remarks:
Migrated information Criteria used for interpretation of results: EU