Registration Dossier

Administrative data

Endpoint:
toxicity to microorganisms
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

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: 74869–22–0
Author:
UROPEAN COMMISSION – European Chemicals Bureau
Year:
2000
Bibliographic source:
I U C L I D D a t a s e t Substance ID: 74869–22–0 pag 36

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
other: procedure is detailed in paper referred to in CONCAWE Dossier. CONCAWE, Lubricating oils and greases, Product Dossier in preparation, CONCAWE, Brussels.
Deviations:
not specified
GLP compliance:
not specified

Test material

Reference
Name:
Unnamed
Type:
Constituent
Type:
Constituent
Type:
Constituent
Details on test material:
Four test substances from Group 7C were tested:
solvent–refined light naphthenic distillate,
CAS No. 64741–97–5
solvent–refined heavy naphthenic distillate,
CAS No. 64741–96–4
solvent–dewaxed heavy paraffinic distillate,
CAS No. 64742–65–0 (2 samples)

Sampling and analysis

Analytical monitoring:
not specified

Test solutions

Vehicle:
not specified

Test organisms

Test organisms (species):
Pseudomonas fluorescens

Study design

Test type:
not specified
Water media type:
not specified
Limit test:
yes
Total exposure duration:
6 h

Results and discussion

Effect concentrations
Duration:
6 h
Dose descriptor:
other: EC20
Effect conc.:
> 1 000 mg/L
Nominal / measured:
not specified
Conc. based on:
not specified
Basis for effect:
growth inhibition

Any other information on results incl. tables

The results were as follows:

 CAS No. of test substance

 % inhibition

 64741–97–5  19
64741–96–4   18
64742–65–0 (sample 1)   6
 64742–65–0 (sample 2)  0

Applicant's summary and conclusion