Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
chronic toxicity: inhalation
Type of information:
migrated information: read-across based on grouping of substances (category approach)
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Summary study report.
Cross-reference
Reason / purpose for cross-reference:
reference to same study

Data source

Reference
Reference Type:
review article or handbook
Title:
I U C L I D D a t a s e t Substance ID: 68334-30-5
Author:
EUROPEAN COMMISSION – European Chemicals Bureau
Year:
2000
Bibliographic source:
I U C L I D D a t a s e t Substance ID: 68334-30-5, pag 559-560

Materials and methods

Test guideline
Qualifier:
no guideline available
Deviations:
not specified
Principles of method if other than guideline:
API procedure
GLP compliance:
not specified

Test material

Constituent 1
Reference substance name:
64742–80–9
IUPAC Name:
64742–80–9

Test animals

Species:
rat
Strain:
Sprague-Dawley
Sex:
male/female

Administration / exposure

Route of administration:
other: aerosols and vapour
Type of inhalation exposure:
not specified
Vehicle:
not specified
Analytical verification of doses or concentrations:
not specified
Duration of treatment / exposure:
28 days
Frequency of treatment:
6 hours per day, 5 days per week
Doses / concentrations
Remarks:
Doses / Concentrations:
23 mg/m3
Basis:
no data
No. of animals per sex per dose:
20
Control animals:
yes, concurrent no treatment

Results and discussion

Effect levels

Dose descriptor:
NOAEL
Effect level:
ca. 0.023 mg/m³ air
Based on:
not specified
Sex:
male/female
Basis for effect level:
other: see 'Remark'

Target system / organ toxicity

Critical effects observed:
not specified

Applicant's summary and conclusion