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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Constituent 1
Reference substance name:
64741–97–5
IUPAC Name:
64741–97–5
Constituent 2
Reference substance name:
64741–96–4
IUPAC Name:
64741–96–4
Constituent 3
Reference substance name:
64742–65–0
IUPAC Name:
64742–65–0
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