ARS PESTICIDE PROPERTIES DATABASE last updated May 1995 name: DIELDRIN CASRN: 60-57-1 molecular formula: C12H8CL6O molecular weight: 380.9 physical state: S (L=liquid; G=gas; S=solid) reference: 9PMED7 __________________________________________________________________________ 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): 175 - 176 H 6MONTG Decomposition point (deg C): Heat of vaporization (deg C): --RATE CONSTANTS-- Hydrolysis (per day): 1.81E-4 25 7 H 6MONTG Photolysis (per day): 0.108 H 6MONTG Vapor pressure (mPa): 0.4 20 H 9PMED9 0.05 R RREVAH 103: 1-59 (1988) 0.024* 20 H 6MONTG Water solubility (ppm): 0.186 20 H 9PMED7 H 9ACHB2 1983 0.25 25 H 9PMED9 0.08 10 0.14* 20 H 6MONTG 0.20 30 H 6MONTG Organic solubility (ppm): 4.00E5 BENZENE 20 H 6MONTG 3.80E5 CCL4 20 H 6MONTG 4.80E5 METHYLENE CHLORIDE 20 H 6MONTG 7.26E4 TRIOLEIN 20 H 6MONTG Henrys law (Pa m3/mol): 0.065 20 H 6MONTG Octanol/water partitioning (log Kow): 3.692-6.2 H 6MONTG Acid dissociation (pKa): Soil sorption: soiltype temp. Kd Koc %om pH reference -------- ----- -- --- --- -- --------- 12780 JAFCAU 29:1050-1059 (1981) 12000* 6RENCT 99:120-164 (1987) 12889 PSSCBG 11:401-408 (1980) 3982- JEVQAA 12:1-10 (1983) 12321 38700 9ACHB2 1983 Field dissipation halflife(days): value test area pH source reference ----- --------- -- ------ --------- 1000* E RREVAH 85: 139-147 (1983) 225 E JAFCAU 25: 348-352 (1977) 1260 C SSSJD4 35: 791-795 (1971) 274 C 6ENVPE pp. 257-280 Halflife in soil: soiltype aerobic anaerobic source reference -------- ------- --------- ------ --------- Comments: