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Environmental fate & pathways

Phototransformation in water

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Link to relevant study record(s)

Reference
Endpoint:
phototransformation in water
Type of information:
calculation (if not (Q)SAR)
Adequacy of study:
supporting study
Study period:
no data
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
secondary literature
Study type:
not specified
Qualifier:
according to guideline
Guideline:
other: no guideline reported
Principles of method if other than guideline:
No data, secondary literature.
GLP compliance:
not specified
Radiolabelling:
not specified
Analytical method:
not specified
Light source:
sunlight
Key result
DT50:
171 d
Test condition:
sunlit natural water
Transformation products:
not specified
Validity criteria fulfilled:
not specified
Conclusions:
At hydroxyl radical concentrations of 1X10-17 M in sunlit natural water, a half-life of 171 days is calculated.
Executive summary:

In the Hazardous Substances Data Bank (HSDB) results of Mill T et al. (Sci 208: 886 (1980)) are cited:

At hydroxyl radical concentrations of 1X10-17 M in sunlit natural water, a half-life of 171 days for thiourea is calculated.

Description of key information

The calculated half-life of thiourea in sunlit natural water at a hydroxyl radical concentrations of 1.0E-17 M is 171 days.

Key value for chemical safety assessment

Half-life in water:
171 d

Additional information

In the Hazardous Substances Data Bank (HSDB) results of Mill T et al. (Sci 208: 886 (1980)) are cited:

At hydroxyl radical concentrations of 1X10-17 M in sunlit natural water, a half-life of 171 days for thiourea is calculated.