MSDS
Preen Lawn Weed Control Revision Date: 10/07/2014
Page 5 of 7
STOT - repeated exposure No information available
Chronic toxicity: Repeated contact may cause allergic reactions in very susceptible persons. Avoid repeated
exposure. May cause adverse liver effects.
Target Organ Effects Central nervous system, kidney, liver, skin.
Aspiration hazard No information available
Carcinogenicity IARC: 2B (Limited evidence for carcinogenicity in humans)
US EPA: Class D (Not classifiable as to human carcinogenicity)
WHO: Concluded that 2,4-D is not a carcinogen
ATEmix (oral): 1109 mg/kg
ATEmix (inhalation-dust): 3.3 mg/l
Harmful to aquatic life with long lasting effects.
Ecotoxicity of 2, 4-Dichlorophenoxyacetic acid (2,4-D):
Fish: 96 hour LC50: 20 mg/L (Cyprinus carpio) semi-static
Microbes: EC50 5.74 mg/l 15 min
Invertebrates: 72-hour EC50: 417.8 mg/L (Daphnia magna); 48-hour EC50: 17.6 - 32.6 mg/L (Daphnia magna) static
Plants: 120-hour EC50: 20 - 52 mg/L (Pseudokirchneriella subcapitata)
The herbicide ingredients are toxic to aquatic plants and aquatic some invertebrates. Use with care when applying
to turf areas adjacent to any bodies of water. Do not apply directly to water, or to areas where surface water is
present, or to intertidal areas below the mean high water mark. Drift and runoff from treated turf may adversely
affect aquatic organisms in adjacent bodies of water. Do not apply when weather conditions favor drift from
treated areas. Do not contaminate water when disposing of equipment washwater.
Application around a cistern or well may result in contamination of groundwater or drinking water, particularly
where soils are permeable and water table is shallow.
Persistence and degradability No information available
Bioaccumulation No information available
Other adverse effects No information available
This material, as supplied is a hazardous waste according to federal regulations (40 CFR 261).
Disposal of wastes:
This product is a hazardous waste material.
EPA Waste Numbers are applicable for this product’s components.
Dispose of in accordance with Local, State, and Federal regulations.
Contaminated packaging
US Federal: special packaging considerations for pesticide containers. If the container is empty, do not reuse it.
Place it in the trash, unless the label specifies a different procedure. Follow local regulations.
DOT Description: HERBICIDES, NOI - NMFC #50320
In our current available sizes, this product does not qualify as a hazardous material.
14. TRANSPORT INFORMATION
13. DISPOSAL CONSIDERATIONS
12. ECOLOGICAL INFORMATION