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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
acute toxicity: oral
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: well documented and scientifically acceptable

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1980
Report date:
1980

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 401 (Acute Oral Toxicity)
Principles of method if other than guideline:
5 male and 5 female rats received 5 ml/kg bw (= 7000 mg/kg bw) of 3,5-Dichlorophenyl isocyanate per gavage. Post observation time 14 days
GLP compliance:
not specified
Test type:
other: single dosage (limit test)

Test material

Constituent 1
Chemical structure
Reference substance name:
1,3-dichloro-5-isocyanatobenzene
EC Number:
252-276-9
EC Name:
1,3-dichloro-5-isocyanatobenzene
Cas Number:
34893-92-0
Molecular formula:
C7H3Cl2NO
IUPAC Name:
1,3-dichloro-5-isocyanatobenzene
Details on test material:
liquid compound

Test animals

Species:
rat
Strain:
Wistar
Sex:
male/female

Administration / exposure

Route of administration:
oral: gavage
Vehicle:
unchanged (no vehicle)
Doses:
5 ml/kg bw = 7000 mg/kg bw (density ca. 1.404 g/cm³)
No. of animals per sex per dose:
5
Control animals:
not specified
Details on study design:
post observation time: 14 days

Results and discussion

Effect levels
Sex:
male/female
Dose descriptor:
LD50
Effect level:
> 7 000 mg/kg bw
Mortality:
with 5 ml/kg bw 1 animal died on day 1 and one animal died on day 2,
no symptoms and no influence on body weight with 3.1 ml/kg bw = 4350 mg/kg bw (density ca. 1.404 mg/cm³)
Clinical signs:
other: sedation, reduction of general condition
Gross pathology:
no data

Any other information on results incl. tables

LD50 > 5 ml/kg bw (7000 mg/kg bw). density of 3,5-Dichlorophenyl isocyanate ca. 1404 mg/cm³

Applicant's summary and conclusion

Interpretation of results:
relatively harmless
Remarks:
Migrated information
Executive summary:

5 male and 5 female rats received 5 ml/kg bw (= 7000 mg/kg bw) 3.5-dichlorophenyl isocyanate by gavage. One animal died on day 1 and one animal died on day2. No symptoms were seen with application of 3.1 ml/kg bw (= 4350 mg/kg bw). LD50 is > 5 ml/kg bw (= 7000 mg/kg bw).