ARS PESTICIDE PROPERTIES DATABASE last updated Oct 1, 2001


name: 1,2-DICHLOROPROPANE            CASRN: 78-87-5


SELECTED VALUES FOR MODELING PURPOSES (from Hornsby, et al., 1996)

WATER SOLUBILITY (mg/L): 2700
FIELD HALF-LIFE (days): 700 E
SOIL ORGANIC CARBON SORPTION (Koc, mL/g): 50
VAPOR PRESSURE (mm Hg): 50


PUBLISHED AND MANUFACTURER VALUES AND SOURCES

molecular formula: C3H6CL2
molecular weight: 113.0
physical state: L
(L=liquid; G=gas; S=solid)
reference: 9PMED9

__________________________________________________________________________
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.
__________________________________________________________________________

value              medium     temp.    pH  source   reference
-----              ------     -----    --  ------   ---------

Boiling point (deg C):
96.4                                         H      6MONTG

Melting point (deg C):

Decomposition point (deg C):

Heat of vaporization (deg C):

--RATE CONSTANTS--

Hydrolysis (per day):
1.2E-4                          25     7     H      6MONTG

Photolysis (per day):
19.96                                        H      6MONTG

Vapor pressure (mPa):
27.9E6                          19.6         H      9PMED9
55.9E5*                         20           H      6MONTG

Water solubility (ppm):
2700                            20           H      9PMED9
2700                            20           R      6FLORI

Organic solubility (ppm):
MISCIBLE WITH MANY ORGANIC SOLVENTS          H      6MONTG
Henrys law (Pa m3/mol):
234                             20           H      6MONTG

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

Acid dissociation (pKa):


Soil sorption:
soiltype         temp.    Kd     Koc    %om    pH   reference
--------         -----    --     ---    ---    --   ---------
                                 46,47              6GERST
                                 50                 6FLORI
                                 51                 6GERST

Field dissipation halflife(days):
value              test area          pH    source  reference
-----              ---------          --    ------  ---------
700                                          W

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

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