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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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Administrative data

phototransformation in air
Type of information:
Adequacy of study:
supporting study
4 (not assignable)
Rationale for reliability incl. deficiencies:
other: Value calculated with AOPWIN

Data source

Reference Type:
other: Calculation from the RAR

Materials and methods

Principles of method if other than guideline:
Calculated with AOPWIN

Test material

Results and discussion

Dissipation half-life of parent compound
21.3 h

Any other information on results incl. tables

The Syracuse Research program AOPWIN gives a predicted reaction rate constant of 18.08 x 10-12 cm3/molecule.sec. With the TGD model for photodegradation, this is equivalent to a half-life of 21.3 h.


CHEM   : 2-Propanol, 1,3-dichloro-, phosphate (3:1)

MOL FOR: C9 H15 CL6 O4 P1

MOL WT : 430.91

------------------- SUMMARY (AOP v1.90): HYDROXYL RADICALS ----------------

Hydrogen Abstraction       =  18.0819 E-12 cm3/molecule-sec

Reaction with N, S and -OH =   0.0000 E-12 cm3/molecule-sec

Addition to Triple Bonds   =   0.0000 E-12 cm3/molecule-sec

Addition to Olefinic Bonds =   0.0000 E-12 cm3/molecule-sec

Addition to Aromatic Rings =   0.0000 E-12 cm3/molecule-sec

Addition to Fused Rings    =   0.0000 E-12 cm3/molecule-sec

   OVERALL OH Rate Constant =  18.0819 E-12 cm3/molecule-sec

Applicant's summary and conclusion

A half-life in air of 21.3 hours has been proposed based on an OH radical concentration of 5 x 105 molecules/ml, which is the default in the TGD
(EC 2003).