Alternative Name
Difolatan
Formula
C10-H9-Cl4-N-O2-S
Major Category
Pesticides
Synonyms
Captofol; N-((1,1,2,2-Tetrachloroethyl)thio)-4-cyclohexene-1,2-dicarboximde; Crisfolatan; Difosan; Folcid; Haipen; Kenofol; Merpafol; Pillartan; Sanseal; Santar-SM; Sanspor; Difolatan
Description
White, crystalline solid with a slight, characteristic pungent odor. [fungicide] [Note: Available commercially as a wettable powder or in liquid form.] [NIOSH]
Sources/Uses
The thiophthalimides are widely used fungicides on seeds, field crops, and stored produce; [EPA Pesticides] Used as an agricultural fungicide in large quantities worldwide; Limited industrial use in paints and plastics; [ACGIH]
Comments
The thiophthalimides include captan, captafol, and folpet; no systemic poisonings in humans have been reported; [EPA Pesticides] Allergic contact dermatitis in pesticide handlers is most likely due to maneb, carbofuran, carbaryl, captan, folpet, or captafol. [Marks, p. 312] TLV Basis is liver damage, kidney damage and dermal sensitization; A potential respiratory sensitizer; [ACGIH]
Restricted
Captafol is no longer registered in the U.S. [EPA Pesticides]
Skin Designation (ACGIH)
Yes
TLV (ACGIH)
0.1 mg/m3, inhalable fraction and vapor (Surface Limit = 0.2 mg/100 cm2)
Vapor Pressure
8E-09 mm Hg
Explanatory Notes
VP from HSDB;
Hepatotoxin
Hepatoxic (a) from occupational exposure (secondary effect) or (b) in animal studies or in humans after ingestion
IARC Carcinogen
Probable (2a)
NTP Carcinogen
Anticipated human carcinogen
ACGIH Carcinogen
Confirmed Animal
Diseases
Occupational diseases associated with exposure to this agent:
Processes
Industrial Processes with risk of exposure: