MSDS

Bayer Environmental Science
Material Safety Data Sheet
MSDS Number: 102000012304
BAYER ADVANCED ALL-IN-ONE LAWN WEED AND
CRABGRASS KILLER CONCENTRATE
MSDS Version 2.2
Page 5 of 10
Melting / Freezing Point
< 1.7 °C / < 35.1 °F
Water solubility
soluble
SECTION 10. STABILITY AND REACTIVITY
Conditions to Avoid
Freezing
Incompatibility
Acids
Metals
Aluminium
Copper
Tin
Zinc
Hazardous
Decomposition Products
Monosodium acid methanearsoate (MSMA), in the presence of many metals,
can react with nascent hydrogen to form arsine gas.
Hazardous Reactions
Stable under normal conditions.
SECTION 11. TOXICOLOGICAL INFORMATION
Acute toxicity data have been bridged from a similar formulation containing a higher percentage of the active
ingredients, MSMA, 2,4-D, MCPP-p and Dicamba. The non-acute information pertains to the technical-grade
active ingredients.
Acute Oral Toxicity
male/female combined rat: LD50: 2,488 mg/kg
Acute Dermal Toxicity
rat: LD50: > 5,000 mg/kg
Acute Inhalation Toxicity
rat: LC50: > 2.1 mg/l
Exposure time: 4 h
Determined in the form of liquid aerosol.
Highest attainable concentration.
No deaths
rat: LC50: > 8.4 mg/l
Exposure time: 1 h
Determined in the form of liquid aerosol.
Extrapolated from the 4 hr LC50.
Skin Irritation
rabbit: Slight irritation.
Eye Irritation
rabbit: Mild eye irritation.
Sensitization
guinea pig: Non-sensitizing.