Chlorothalonil
Trade and Other Names: Trade names for chlorothalonil include Bravo, Chlorothalonil, Daconil 2787, Echo, Exotherm Termil, Forturf, Mold-Ex, Nopcocide N-96, Ole, Pillarich, Repulse, and Tuffcide. The compound can be found in formulations with many other pesticide compounds.
Chemical Class: chloronitrile
Introduction: Chlorothalonil is a broad-spectrum organochlorine fungicide used to control fungi that threaten vegetables, trees, small fruits, turf, ornamentals, and other agricultural crops. It also controls fruit rots in cranberry bogs.
Physical Properties:
Appearance: Chlorothalonil is an aromatic halogen compound, a member of the chloronitrile chemical family. It is a grayish to colorless crystalline solid that is odorless to slightly pungent.
Chemical Name: tetrachloroisophthalonitrile
CAS Number: 1897-45-6
Molecular Weight: 265.92
Water Solubility: 0.6 mg/L @ 25 C
Solubility in Other Solvents: acetone s.s.; dimethyl sulfoxide s.s.; cyclohexanone s.s.; kerosene i.s.; xylene s.s.
Melting Point: 250-251 C
Vapor Pressure: 1.3 mPa @ 40 C
Partition Coefficient: 437 (calc.): 20.9
Adsorption Coefficient: 1380
Exposure Guidelines:
ADI: 0.03 mg/kg/day
MCL: Not Available
RfD: 0.015 mg/kg/day
PEL: Not Available
HA: 0.5 mg/L (longer-term)
TLV: Not Available