Name: Rimsulfuron                                                                      CASRN: 122931-48-0

Molecular Formula: C 14 H 17 N5 07 S2
Molecular Weight: 431.45
Physical State: S
(L=Liquid, G=Gas, S=Solid)
Reference: Pesticide Manual, 11 "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

Melting Point (deg C):
Value                     Medium                      Temp              pH                  Source             Reference
176-178                                                                                                  M                  DuPont

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

Hydrolysis(per day):
Value                      Medium                      Temp              pH                  Source              Reference
0.147                      Water                           25                  5                      M                  DuPont
0.0963                     Water                          25                  7                      M                  DuPont
1.73                         Water                          25                  9                      M                  DuPont

Photolysis (per day):
Value                      Medium                      Temp              pH                  Source             Reference
0.770                      Water                          25                  5                      M                  DuPont
0.0598                    Water                          25                  7                      M                  DuPont
1.39                        Water                          25                  9                      M                  DuPont
 

Vapor Pressure (mPa):
Value                     Medium                      Temp                  pH                  Source              Reference
1.47E-3                                                      25                                            M                  DuPont

Water Solubility (ppm):
Value                      Medium                      Temp                  pH                  Source              Reference
135                        Water                            25                      5                      M                  DuPont
7300                      Water                            25                      7                      M                  DuPont
5560                      Water                            25                      9                      M                  DuPont

Organic Solubility (ppm):
Value                      Medium                      Temp                  pH                  Source              Reference
18710                  Acetone                           25                                             M                  DuPont
21883                  Acetonitrile                       25                                             M                  DuPont
3160                    Ethyl acetate                     25                                             M                  DuPont
15                        n-Hexane                          25                                             M                  DuPont
1960                    Methanol                          25                                             M                  DuPont
26792                  Methylene chloride           25                                             M                  DuPont
420                      Toluene                            25                                              M                  DuPont

Henry's Law Constant (Pa 3/mol):
Value                      Medium                      Temp                  pH                  Source              Reference
4.7E-6                                                        25                      5                      M                  DuPont
8.67E-8                                                      25                      7                      M                  DuPont
1. 14E-7                                                     25                      9                      M                  DuPont

Octanol/Water Partitioning(log Kow):
Value                      Medium                      Temp                  pH                  Source              Reference
0.288                                                          25                      5                      M                  DuPont
-1.47                                                          25                      7                      M                  DuPont

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

Soil Sorption:
Soil Type               Temp            Kd            Koc            %OM         pH      Source             Reference
Sandyloam (NC)    25              0.16            13              2.1              6.5          M                 DuPont
Sandyloam (NJ)     25              0.44            76              1.0              6.3          M                  DuPont
Clay loam (ND)     25              1.28            51              4.3              7.7          M                  DuPont
Silt loam (IL)         25               1.60            64              4.3              5.4          M                  DuPont


Field Dissipation Half-life (days):
Value                  Test Area                                          pH          %OM      Source            Reference
6                        Newark, DE                                      6.0          1.4              M                  DuPont
9                        NIS                                                   7.0          1.3              M                  DuPont
8                        CA                                                    7.7          1.2              M                  DuPont
17                      EL                                                     7.4          4.5              M                  DuPont
6                        Italy                                                   7.6          1.7              M                  DuPont
23                      Belgium                                             6.7           2.2              M                  DuPont
14                       Belgium                                             6.7          2.2               M                  DuPont
5                        Italy                                                   7.6          1.2               M                  DuPont

Half-life in Soil(days) :
Soil Type                      Aerobic                  Anaerobic                                   Source          Reference
Sandy loam (NJ)            11                                                                            M                DuPont
Loam (CANADA)         4                                                                              M                DuPont

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