ARS PESTICIDE PROPERTIES DATABASE last updated May 1995

name: DINOSEB                        CASRN: 88-85-7      

molecular formula: C10H12N2O5                 
molecular weight: 240.2                      
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):
38 - 42                                      H      9PMED8

Decomposition point (deg C):

Heat of vaporization (deg C):

--RATE CONSTANTS--

Hydrolysis (per day):

Photolysis (per day):

Vapor pressure (mPa):
1.33E5                          151          P      6EPADW
6.65                                         P      6USEPA
0.13*                           RT           E      ADCSAJ 111: 55-120 (1972)
183                             60           H      9PMED9

Water solubility (ppm): 
100                             RT           H      9PMED9
52                              25           P      6EPADW
50                                           C      8GLEAM
52                                           P      6USEPA
52*                             20           H      6MONTG

Organic solubility (ppm):
4.80E5      ETHANOL             20           H      6MONTG
2.70E5      N-HEPTANE           20           H      6MONTG

Henrys law (Pa m3/mol):
6.01E-4                         20           H      6MONTG
                                RT           E      ADCSAG 111: 55-120 (1972)

Octanol/water partitioning (log Kow):
2.29                                         H      6MONTG

Acid dissociation (pKa):
4.62*                                        H      6CPCRE
4.4                                          E      ADCSAJ 111: 55-120 (1972)

Soil sorption:
soiltype         temp.    Kd     Koc    %om    pH   reference
--------         -----    --     ---    ---    --   ---------
                                 490                8GLEAM
                                 124                6ECBEN 4: 26-38 (1980)
                                 2720               6FLORI
                                 5900               ETOCDK 8: 339-357 (1989)
                                 213                ESTHAG 21: 358-366 (1987)
                                 30*                W

Field dissipation halflife(days):
value              test area          pH    source  reference
-----              ---------          --    ------  ---------
23                                            C     8GLEAM
34-111                                        P     6USEPA
43-123                                        R     ARSPPD
30                                            C     ETOCDK 8: 339-357 (1989)
4-11                                          H     9ACHB2 1983
30*                                           W      

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

Comments:
LOW KOC (30) BASED ON ANIONIC NATURE (HIGH SOLUBILITY AND LOW V.P.
ABOVE PH 5).