Chlorothalonil

CAS Number

1897-45-6

Synonym

2,4,5,6-Tetrachloro-1,3-benzenedicarbonitrile; Chloroalonil; Chlortosip; Dacosoil; Exotherm Termil; Forturf; NCI-C00102; TCIN; Tetrachloroisophthalonitrile; Bravo; Sweep; Nopcocide; TPN; Repulse; EPA Pesticide Code: 081901

Occurrence/Use

Fungicide, bactericide, nematocide, algaecide, insecticide; preservative additive in paints, resins, emulsions, and coatings

Cancer Potency Information

Inhalation Slope Factor (mg/kg-day)-1:	0.017
Oral Slope Factor (mg/kg-day)-1:	0.017
Last Cancer Potency Revision:	2012
Comments/References:	OEHHA 2012. No Significant Risk Level (NSRL) For The Proposition 65 Carcinogen Chlorothalonil

Proposition 65

Chemical Status

Cancer:	Currently listed

Cancer

Cancer - Listing Mechanism

State's Qualified Experts

Listed as causing :	Listed as causing: Cancer
Date of Listing:	01/01/1989

Safe Harbor Levels

No Significant Risk Level (NSRL)

41 µg/day

Cancer
Last NSRL/MADL Revision:	2012

Documents, Presentations, and Publications

Cancer:	FSOR for Chlorothalonil March 30, 2012 Supporting Materials for Safe Use Determinations for a Number of Foods that May Contain Detectable Amounts of Chlorothalonil November 15, 2019 Interpretive Guidelines No. 2019-01 — 2019-09 Consumption of Chlorothalonil Residues in Certain Foods November 15, 2019

Cancer:

FSOR for Chlorothalonil

March 30, 2012

Supporting Materials for Safe Use Determinations for a Number of Foods that May Contain Detectable Amounts of Chlorothalonil

November 15, 2019

Interpretive Guidelines No. 2019-01 — 2019-09 Consumption of Chlorothalonil Residues in Certain Foods