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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: early study report, essential details given

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1973
Report date:
1973

Materials and methods

Principles of method if other than guideline:
according to BASF-internal standard
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
4-chlorobutyryl chloride
EC Number:
225-059-1
EC Name:
4-chlorobutyryl chloride
Cas Number:
4635-59-0
Molecular formula:
C4H6Cl2O
IUPAC Name:
4-chlorobutanoyl chloride
Details on test material:
Name of the test substance used in the study report: gamma-Chlorbuttersäurechlorid

Test animals

Species:
rabbit
Strain:
Vienna White

Test system

Type of coverage:
occlusive
Preparation of test site:
other: intact skin
Vehicle:
unchanged (no vehicle)
Controls:
other: untreated skin of the same animal
Amount / concentration applied:
ca. 1 ml
Duration of treatment / exposure:
1 min, 5 min, 15 min, 20 h
Observation period:
3 days
Number of animals:
2
Details on study design:
Patch test (length: 2.5 x 2.5 cm)

Results and discussion

In vivo

Resultsopen allclose all
Irritation parameter:
other: erythema score for 1 min exposure
Basis:
mean
Time point:
other: 24h - 3d
Score:
2
Max. score:
4
Reversibility:
not reversible
Irritation parameter:
other: erythema score for 5 min exposure
Basis:
mean
Time point:
other: 24h - 3d
Score:
3
Max. score:
4
Reversibility:
not reversible
Remarks on result:
other: necrosis
Irritation parameter:
other: erythema score for 15 min exposure
Basis:
mean
Time point:
other: 24h - 3d
Score:
4
Max. score:
4
Reversibility:
not reversible
Remarks on result:
other: strong necrosis
Irritation parameter:
other: erythema score for 20 hours exposure
Basis:
mean
Time point:
other: 24h - 3d
Score:
4
Max. score:
4
Reversibility:
not reversible
Remarks on result:
other: strong necrosis
Irritant / corrosive response data:
Due to animal welfare, the experiment was stopped after 3 days.

Applicant's summary and conclusion

Interpretation of results:
highly corrosive
Remarks:
Migrated information