ARS PESTICIDE PROPERTIES DATABASE last updated May 1995

name: CHLORDANE                      CASRN: 57-74-9      

molecular formula: C10H6CL8                   
molecular weight: 409.8                      
physical state: L                     
(L=liquid; G=gas; S=solid)
reference: 9PMED7

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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.
__________________________________________________________________________

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

Boiling point (deg C):
175 AT 1 MM HG                               H      9PME10

Melting point (deg C):

Decomposition point (deg C):

Heat of vaporization (deg C):

--RATE CONSTANTS--

Hydrolysis (per day):

Photolysis (per day):

Vapor pressure (mPa):
61(TECH)                        25           R      6RENCT 99: 120-164 (1987)
1.1                             20           R      6RENCT 99: 120-164 (1987)
1.3*                            25           R      6RENCT 99: 120-164 (1987)

Water solubility (ppm): 
0.1                             25           H      9PMED7
0.03                                         E      ESTHAG 26: 2234-2239 (1992)
0.056*                          25           H      6MONTG

Organic solubility (ppm):
MISCIBLE WITH MOST ORGANIC SOLV.             H      9PME10

Henrys law (Pa m3/mol):
9.51                                         H      9PME10

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

Acid dissociation (pKa):
                                                          

Soil sorption:
soiltype         temp.    Kd     Koc    %om    pH   reference
--------         -----    --     ---    ---    --   ---------
                                 100000             9PMED9
                                 140000             6USEPA
                                 3130000            6PRZMO
                                 38000              JEVQAA 16: 422-428 (1987)
SAND                      28     70000  0.069       6MONTG
SAND                      30     75000  0.069       6MONTG
SILT                      190    52788  0.619       6MONTG
SILT                      220    61111  0.619       6MONTG
                                 60000*

Field dissipation halflife(days):
value              test area          pH    source  reference
-----              ---------          --    ------  ---------
283-1387                                     R      6DEGRA
345-986                                      C      6PRZMO
3500                                         C      JEVQAA 16: 422-428 (1987)
347                                          C      8CREAM
365*                                         H      9ACHB2 1983
456                                          R      6ENVPE pp. 257-280

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

Comments: