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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
toxicity to microorganisms
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Guideline study and GLP

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2003
Report date:
2003

Materials and methods

Principles of method if other than guideline:
Method: DIN 38412, Teil 8
GLP compliance:
yes

Test material

Reference
Name:
Unnamed
Type:
Constituent
Details on test material:
IUCLID4 Test substance: as prescribed by 1.1 - 1.4

Substance-No.: SAT 020874
Batch-No.: Ro 3962-88

Sampling and analysis

Analytical monitoring:
not specified

Test solutions

Vehicle:
not specified

Test organisms

Test organisms (species):
Pseudomonas putida

Study design

Test type:
static
Water media type:
not specified
Limit test:
no

Results and discussion

Effect concentrationsopen allclose all
Duration:
16 h
Dose descriptor:
EC10
Effect conc.:
4 mg/L
Duration:
16 h
Dose descriptor:
EC50
Effect conc.:
11 mg/L

Any other information on results incl. tables

RS-Freetext:
16h-EC10 =  4 mg/L (95%-CI: 2,8 - 5,O mg/L)
16h-EC50 = 11 mg/L (95%-CI: 10 - 14 mg/L)

Applicant's summary and conclusion

Validity criteria fulfilled:
yes
Executive summary:

Ro 1525 was tested according to Method: DIN 38412, Teil 8 and reached after 16 hours an EC50 of 11 mg/l related to active substance.