ARS PESTICIDE PROPERTIES DATABASE last updated May 1995

name: PERFLUIDONE                    CASRN: 37924-13-3   

molecular formula: C14H12F3NO4S2              
molecular weight: 379.4                      
physical state: S
(L=liquid; G=gas; S=solid)
reference: 9PMED9

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

* denotes a selected value where multiple values of a property are listed.
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value              medium     temp.    pH  source   reference
-----              ------     -----    --  ------   ---------

Boiling point (deg C):

Melting point (deg C):
142 - 144                                    H      9PMED8

Decomposition point (deg C):

Heat of vaporization (deg C):

--RATE CONSTANTS--

Hydrolysis (per day):
STABLE                                       H      9PMED8

Photolysis (per day):

Vapor pressure (mPa):
1.2                             25           H      9PMED9

Water solubility (ppm): 
60*                             22           H      9PMED9
                                             H      9ACHB2 1983
40 (pH 2.0)                                  E      WEESA6 23: 344-348 (1975)
60 (pH 4.4)                                  E      WEESA6 23: 344-348 (1975)
4700 (pH 7)                                  E      WEESA6 23: 344-348 (1975)

Organic solubility (ppm):
7.50E5      ACETONE
1.1E4       BENZENE
1.62E5      DICHLOROMETHANE
5.95E5      METHANOL

Henrys law (Pa m3/mol):
7.59E-3                                      H      9PMED8

Octanol/water partitioning (log Kow):

Acid dissociation (pKa):
2.5                                          H      9PMED9

Soil sorption:
soiltype         temp.    Kd     Koc    %om    pH   reference
--------         -----    --     ---    ---    --   ---------
                                 1202               6GERST

Field dissipation halflife(days):
value              test area          pH    source  reference
-----              ---------          --    ------  ---------
30                 H                         H      9HERBH 4th ED 1979
ca.30                                        H      9ACHB2 1983

Halflife in soil:
soiltype           aerobic  anaerobic       source  reference
--------           -------  ---------       ------  ---------

Comments: