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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Environmental fate & pathways

Biodegradation in water: screening tests

Administrative data

Endpoint:
biodegradation in water: ready biodegradability
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)

Data source

Reference
Reference Type:
publication
Title:
Determination of Harmful Quantities and Rates of Penalty for Hazardous Substances
Author:
Environmental Protection Agency
Year:
1975
Bibliographic source:
Final Report
EPA-440/9-75-005-c

Materials and methods

Test guideline
Qualifier:
no guideline followed
Guideline:
other: Other
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
Ammonium iodide
EC Number:
234-717-7
EC Name:
Ammonium iodide
Cas Number:
12027-06-4
Molecular formula:
H4IN
IUPAC Name:
ammonium iodide
Test material form:
solid

Study design

Inoculum or test system:
natural water: freshwater

Results and discussion

% Degradation
Parameter:
half-life in days (QSAR/QSPR)
Value:
> 4 - < 5
Sampling time:
5 d

Applicant's summary and conclusion

Validity criteria fulfilled:
yes
Interpretation of results:
readily biodegradable
Conclusions:
Environmental Half Life: Biodegrades after 4-5 day period