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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
phototransformation in water
Type of information:
experimental study
Adequacy of study:
other information
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
documentation insufficient for assessment

Data source

Reference
Reference Type:
publication
Title:
The Catalytic Ozone Oxidation of Aqueous Solutions of Hydrazine, Monomethyl Hydrazine and Unsymmetrical Dimethylhydrazine.
Author:
Sierka RA, Cowen WF
Year:
1980
Bibliographic source:
Proc Ind Waste Conf, 35: 406-415

Materials and methods

Study type:
other: reaction with ozone in presence of UV light
Principles of method if other than guideline:
influence of UV light on the degradation of hydrazine by ozone in aqueous media

Test material

Constituent 1
Chemical structure
Reference substance name:
Hydrazine
EC Number:
206-114-9
EC Name:
Hydrazine
Cas Number:
302-01-2
Molecular formula:
H4N2
IUPAC Name:
hydrazine
Details on test material:
no data on substance purity

Study design

Analytical method:
other: colorimetric method
Sensitiser (for indirect photolysis)
Type of sensitiser:
O3 (ozone)

Results and discussion

Any other information on results incl. tables

the presence of UV light has only a minor effect on hydrazine oxidation by ozone

Applicant's summary and conclusion