MATERIAL SAFETY DATA SHEET
CLOAK™ EX HERBICIDE
April 9, 2009
Page 1 of 7
1. CHEMICAL PRODUCT AND COMPANY IDENTIFICATION
CLOAK™ EX Herbicide
EPA Reg. No.:
Mixture of Chlorimuron ethyl and Tribenuron methyl
150 Harvester Drive, Suite 200
Burr Ridge, IL 60527
Telephone Numbers: For Chemical Emergency, Spill, Leak, Fire, Exposure, or Accident,
Call CHEMTREC Day or Night: 1-800-424-9300
For Medical Emergencies Only, Call 1-877-325-1840
Date of Issue:
April 9, 2009
2. HAZARDS IDENTIFICATION
Appearance and Odor: Beige colored granules with a mild odor.
Warning Statements: Caution. Keep out of reach of children. Causes moderate eye irritation. Avoid
contact with eyes or clothing.
Potential Health Effects:
Likely Routes of Exposure: Inhalation, eye and skin contact.
Eye Contact: Mildly irritating based on toxicity studies.
Skin Contact: Slightly toxic and slightly irritating based on toxicity studies.
Ingestion: Slightly toxic based on toxicity studies.
Inhalation: Low inhalation toxicity.
Medical Conditions Aggravated by Exposure: Inhalation of product may aggravate existing chronic
respiratory problems such as asthma, emphysema or bronchitis. Skin contact may aggravate existing
See Section 11: TOXICOLOGICAL INFORMATION for more information.
Potential Environmental Effects:
Based on current data, chlorimuron ethyl is practically non-toxic to fish, waterfowl and upland game birds.
Tribenuron methyl is practically non-toxic to mammals, fish and aquatic invertebrates, and toxic to aquatic
and terrestrial plants.
See Section 12: ECOLOGICAL INFORMATION for more information.
3. COMPOSITION / INFORMATION ON INGREDIENTS
% BY WEIGHT
Other Ingredients Including:
Kaolin Clay and related