Pesticide Properties Database - Date Entered May 1999

Name: Chlorethoxyfos                                                   CASRN: 54593-83-8

Molecular Formula: C6 H I I C14 03 P S
Molecular Weight: 336.0
Physical State: L
(L=Liquid, G=Gas, S=Solid)
Reference: Pesticide Manual, 11th Ed.

Key to sources: (M)anufacturer, (H)andbook, (R)eview, (E)xperiment, (C)alculated,
                           (U)nknown, (E)EPA data, (W)auchope

        * denotes a selected value where multiple values of a property are listed

Boiling Point(deg C):
Value                         Medium                          Temp                   pH                   Source              Reference
110-115                    0.8 mmHg                                                                             H                  Pest. Manual

Melting Point(deg C):
Value                        Medium                           Temp                  pH                    Source              Reference

Decomposition(deg C):
Value                      Medium                           Temp                   pH                    Source              Reference 

Hydrolysis(per day):
Value                        Medium                           Temp                   pH                   Source              Reference
0.017                        Water                                25                       5                        H                  Pest. Manual
0.012                        Water                                25                       7                        H                  Pest. Manual
0.010                        Water                                25                       9                        H                  Pest. Manual

Photolysis(per day):
Value                        Medium                           Temp                   pH                   Source              Reference
0.033                        Soil                                    25                     5.4                     M                   DuPont
0.026                        Water                                25                     5                        M                   DuPont

Vapor Pressure(mPa):
Value                     Medium                           Temp                     pH                   Source              Reference
2.3E+2                                                             25                                                 M                  DuPont

Water Solubility(ppm):
Value                      Medium                           Temp                    pH                    Source              Reference
2.09                       Water                                25                       7                            M                 DuPont

Organic Solubility(ppm):
Value                       Medium                           Temp                   pH                      Source              Reference

Henry's Law Constant(Pa3/mol):
Value                       Medium                           Temp                   pH                      Source              Reference
3.6E+1                                                             25                       7                           M                 DuPont

Octanol/Water Partitioning(log Kow):
Value                       Medium                            Temp                  pH                       Source              Reference
4.59                                                                 25                                                    M                  DuPont

Acid Dissociation Constant(pKa):
Value                       Medium                           Temp                   pH                      Source              Reference

Soil Sorption:
Soil Type                   Temp             Kd              Koc            %OM        pH          Source               Reference
Sandy Loam              25                  33             5690              1.0             6.4              M                  DuPont
Loamy sand               25                  43              3707              2.0             5.4              M                  DuPont
Silt loam                    25                  77              3087              4.3             7.2              M                  DuPont
Loam                        25                  98               3379             5.0             7.4              M                  DuPont

Field Dissipation Halflife(days):
Value                     Test Area                                               pH          %OM           Source              Reference
3.7                         Iowa                                                     6.8          3.3                 M                      DuPont
3                            Illinois                                                   6.2          4.9                 M                      DuPont
0.9                         Califoria                                                8.1          0.6                 M                      DuPont
2.6                         Illinois                                                   6.2          3.6                 M                      DuPont
3.7                         NC                                                       6.6          1.3                 M                      DuPont

Half-life in Soil:
Soil Type               Aerobic                          Anaerobic                                         Source               Reference
Sandy loam                7                                                                                         M                      DuPont
Loam                         20                                                                                       M                      DuPont
Clay loam                  23                                                                                       M                      DuPont

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