ARS PESTICIDE PROPERTIES last update May 1995 name:1-NAPHTHYLACETIC ACID CASRN: 86-87-3 molecular formula: C12H10O2 molecular weight : 186.21 physical state : S (L=liquid; G=gas; S=solid) reference: _________________________________________________________________________ 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): 132 - 3 H 9ACHB2 Decomposition point(deg C): - Heat of vaporization(deg C): --RATE CONSTANTS-- Hydrolysis (per day): Photolysis (per day): Vapor pressure (mPa): 2.1* M 9RHPOU <1.3E-02 M 9RHPOU Water solubility (ppm): -temp- -source- -reference- 4.19E05* M 9RHPOU 380 17 H 9HERBH 420 20 H 9HERBH H 9ACHB2 1983 ED. 105 M 9RHPOU Organic solubility (ppm): Henrys law (Pa m3/mol): 0.0037* M 9RHPOU Octanol/water partitioning (log Kow): 2.6 M 9RHPOU Acid dissociation (pKa): 4.2 M 9RHPOU Soil sorption: soiltype temp. Kd Koc %om pH source reference 200 W Field Dissipation halflife(days): value test area pH source reference 10 W Halflife in soil: Soiltype aerobic anaerobic source reference Comments: WATER SOLUBILITY 4.19E05=NaSALT