ARS PESTICIDE PROPERTIES last update May 1995 name:1,3 DICHLOROPROPENE CASRN: 542-75-6 molecular formula: C3H4CL2 molecular weight : 110 physical state : L (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): 108 - (104.1 CIS; 112.6 TRANS) H 9ACHB2 M 6DOWCH Melting point(deg C): 50 - M 9ACHB2 Decomposition point(deg C): - Heat of vaporization(deg C): --RATE CONSTANTS-- Hydrolysis (per day): 0.0613* 20 5-9 E PSSCBG 19:235-242,1987 0.2236 30 5-9 E PSSCBG 19:235-242,1987 0.0136 10 5-9 E PSSCBG 19:235-242,1987 Photolysis (per day): 1.386* AIR CIS C AECTCV 13:691-700,1984 2.38* AIR TRANS C AECTCV 13:691-700,1984 Vapor pressure (mPa): 3.7E+6* 20 H 9ACHB2, 1983 ED. 4.56E6 (CIS) 25 M 6DOWCH 3.06E6 (TRANS) 25 M 6DOWCH Water solubility (ppm): -temp- -source- -reference- 1000 20 H 9ACHB2 1983 ED. H 9ACHB2 7TH ED.,1977 2250* 20 M 7DOWOL 2180 25 M 6DOWCH 2320 25 M 6DOWCH Organic solubility (ppm): Henrys law (Pa m3/mol): 180* (CIS) 25 M 6DOWCH 106 (TRANS) 25 M 6DOWCH Octanol/water partitioning (log Kow): 2.06* 25 M 6DOWCH 2.03* 25 M 6DOWCH Acid dissociation (pKa): Soil sorption: soiltype temp. Kd Koc %om pH source reference 68 E JEVQAA 16:422-428,1987 CIS 798 C 8SWAMD TRAN1379 R 9EINSP pp.23-67 98 R EESADV 32 M 7DOWOL 66* 32-98 CLAY(HI) 1.09 M 6DOWCH CLAY(TX) 0.42 M 6DOWCH SANDFORD SND(FL) 0.32 M 6DOWCH QUINCY(FL) 0.23 M 6DOWCH FUQUAY(FL) 1.66-2.84 259-444 M 6DOWCH Field Dissipation halflife(days): value test area pH %om source reference 18(3-84)* NORFOLK(FL) M 6DOWCH 10 R 8EETNS 16 E JEVQAA 16:422-428,1987 0.6-5.6 SAND(CA) M 6DOWCH Halflife in soil: Soiltype aerobic anaerobic source reference FUQUAY LS <14* E JPFCD2 B24(6):661-676,1989 Comments: OCTANOL WATER VALUE 2.06 = CIS, VALUE 2.03 = TRANS