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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Acute Toxicity: oral

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Administrative data

Endpoint:
acute toxicity: oral
Type of information:
experimental study
Adequacy of study:
weight of evidence
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
other: Publication in original language, not translated.

Data source

Reference
Reference Type:
publication
Title:
Comparative toxicological assessment of p-phenetidine and cyanoethyl-p-phenetidine
Author:
Vasilenko NM, Volodchenko VA, Nakonechny AA, Sadokha ER
Year:
1972
Bibliographic source:
Farmakologiya i Toksikologiya (Moscow). Volume 35, Issue 3, p. 367-9.

Materials and methods

Principles of method if other than guideline:
Rats were administered a single intragastric dose of p-phenetidine.
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
p-phenetidine
EC Number:
205-855-5
EC Name:
p-phenetidine
Cas Number:
156-43-4
Molecular formula:
C8H11NO
IUPAC Name:
4-ethoxyaniline

Test animals

Species:
rat
Strain:
other: albino
Sex:
male/female

Administration / exposure

Route of administration:
oral: gavage
Doses:
A single dose of p-phenetidine

Results and discussion

Effect levels
Dose descriptor:
LD50
Effect level:
580 mg/kg bw

Any other information on results incl. tables

The substance did not show cumulative properties.

Applicant's summary and conclusion

Interpretation of results:
Toxicity Category IV
Remarks:
Migrated information Criteria used for interpretation of results: EU
Conclusions:
LD50 = 580 mg/kg bw
Executive summary:

In a test on albino rats with a single intragastric introduction of para-phenetidine the LD50 for the substance was found to be 580 mg/kg bw. The substances showed no cumulative properties. Poisoning with this substance is characterized by the development of methemoglobinemia.