ARS PESTICIDE PROPERTIES DATABASE last updated Oct 1, 2001


name: 2,4,5-T AMINE SALTS                       CASRN: 93-76-5


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

WATER SOLUBILITY (mg/L): 500000 E
FIELD HALF-LIFE (days): 24
SOIL ORGANIC CARBON SORPTION (Koc, mL/g): 80
VAPOR PRESSURE (mm Hg): 0
pKa: 2.84


PUBLISHED AND MANUFACTURER VALUES AND SOURCES

molecular formula: C8H5CL3O3 (PARENT)
molecular weight : 255.49 (PARENT)
physical state   : S
(L=liquid; G=gas; S=solid)
reference: 9ACHB2

_________________________________________________________________________
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):
       -

Melting point(deg C):
154    -    155                                  H     9ACHB2

Decomposition point(deg C):
       -

Heat of vaporization(deg C):

--RATE CONSTANTS--

Hydrolysis (per day):
STABLE*                          0      5-9      H     9ACHB2(PARENT CMPD)

Photolysis (per day):

Vapor pressure (mPa):
<0.01*                           20              H     9ACHB2 (PARENT CMPD)


Water solubility (ppm):     -temp-          -source-   -reference-
150PARENT                     25                 H     9ACHB2 7TH ED.,1977
278PARENT*                    20                 H     9ACHB2
900                           25                 R     EESADV
620*                          20                 H     9ACHB2 1983 ED.
703                                              E     ETOCDK 8:339-357,1989

Organic solubility (ppm):


Henrys law (Pa m3/mol):


Octanol/water partitioning (log Kow):
0.8                                              M     9RHPOU


Acid dissociation (pKa):
2.84*                                            R     ADCSAJ 111:55-120,1972
                                                 C     8CREAM
2.88                                             E     ESTHAG 3:1186-1188,1969


Soil sorption:
soiltype        temp.   Kd       Koc     %om   pH     reference
                                 80                   JEVQAA 16:422-428,1987
                                 80                   9HRLCP
                                 53PARENT             7DRAGU
                                 85                   8GLEAM
                                 82*

Field Dissipation halflife(days):
value           test area        pH        source     reference
25(12-33)
30                                           H        9ACHB2 1983 ED.
33                                           E        JEVQAA 16:422-428,1987
12                                           R        RREVAH 80:65-135 1981
16-33                                        R        9EINSP PP.23-67

Halflife in soil:
Soiltype           aerobic      anaerobic   source    reference

Comments:
MELTING POINT 154-155 = PARENT