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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
activated sludge respiration inhibition testing
Type of information:
experimental study
Adequacy of study:
key study
Study period:
14th July 1999
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
test procedure in accordance with national standard methods

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1999
Report date:
1999

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 209 (Activated Sludge, Respiration Inhibition Test
GLP compliance:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
-
EC Number:
429-080-9
EC Name:
-
Cas Number:
198904-85-7
Molecular formula:
C17 H21 N3 O2
IUPAC Name:
Tert-butyl 2-[4-(2-pyridinyl) phenylmethyl] hydrazine carboxylate
Test material form:
solid: bulk
Specific details on test material used for the study:
Identity of test material same as for substance defined in section 1

Study design

Total exposure duration:
3 h

Test conditions

Reference substance (positive control):
yes
Remarks:
Dichlorophenol

Results and discussion

Effect concentrationsopen allclose all
Key result
Duration:
3 h
Dose descriptor:
IC50
Effect conc.:
> 1 000 mg/L
Key result
Duration:
3 h
Dose descriptor:
NOEC
Effect conc.:
> 100 mg/L

Applicant's summary and conclusion

Conclusions:
The EC50 of BMS233110-01 exceeded 1,000mg/L, the highest dose tested