ARS PESTICIDE PROPERTIES DATABASE last updated Oct 1, 2001


name: 2,4,5-T ESTERS                 CASRN: 251168-15-4


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

WATER SOLUBILITY (mg/L): 50 E
FIELD HALF-LIFE (days): 30
SOIL ORGANIC CARBON SORPTION (Koc, mL/g): 80
VAPOR PRESSURE (mm Hg): 1x10-4 E
pKa: 2.85


PUBLISHED AND MANUFACTURER VALUES AND SOURCES

molecular formula: C16H21CL303(ISOOCTYL)
molecular weight: 367.7(ISOOCTYL)
physical state: SOLID
reference:9PMED9
*************************************************************************************
Key to sources: Manufacturer, Review, Handbook,Experiment, Calculated, Unknown.
* denotes a selected value where multiple values of a property are listed.

value                      medium     temp.    pH  source reference
-----                      ------     -----    --  ------ ---------
Boiling point (deg C):

Melting point (deg C):

Decomposition point (deg C):

Heat of vaporization (deg C):

Hydrolysis (per day):

Photolysis (per day):

Vapor pressure (mPa):
                13                                   W

Water solubility (ppm):
                INSOL.                               H      9PMED


Organic solubility (ppm):

Henrys law (Pa m3/mol):

Octanol/water partitioning (log Kow):

Acid dissociation (pKa):


Soil sorption - Kd (?), Koc (?):
soiltype             temp.    Kd        Koc   pH   source reference
--------             -----    --        ---   --   ------ ---------
                                         80    PARENT

Field dissipation halflife(days):
value                test area          pH    source      reference
-----                ---------          --    ------      ---------
FEW DAYS                                      E           JOCRAM 69:204-206

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

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