MSDS

Monsanto Company, Lawn & Garden Products
Page: 7 / 9
Roundup® Ready-To-Use Weed & Grass Killer III
Version: 2.0
Effective date: 08/21/2013
This section is intended for use by ecotoxicologists and other environmental specialists.
Data obtained on similar products and on components are summarized below.
Similar formulation
Aquatic toxicity, fish
Rainbow trout (Oncorhynchus mykiss):
Acute toxicity, 96 hours, static, LC50: 98 mg/L
Slightly toxic.
Aquatic toxicity, invertebrates
Water flea (Daphnia magna):
Acute toxicity, 48 hours, static, EC50: 115 mg/L
Practically non-toxic.
Aquatic toxicity, algae/aquatic plants
Green algae (Pseudokirchneriella subcapitata):
Acute toxicity, 72 hours, static, EC50: 51 mg/L
Slightly toxic.
Duckweed (Lemna gibba):
Acute toxicity, 7 days, static, EC50 (frond number): 152 mg/L
Practically non-toxic.
Arthropod toxicity
Honey bee (Apis mellifera):
Oral, 48 hours, LD50: > 7,841 µg/bee
Honey bee (Apis mellifera):
Contact, 48 hours, LD50: > 1,078 µg/bee
Soil organism toxicity, invertebrates
Earthworm (Eisenia foetida):
Acute toxicity, 14 days, LC50: > 10,000 mg/kg dry soil
Practically non-toxic.
Soil organism toxicity, microorganisms
Nitrogen and carbon transformation test:
388 L/ha, 28 days: Less than 25% effect on nitrogen or carbon transformation processes in soil.
N-(phosphonomethyl)glycine; { glyphosate}
Avian toxicity
Bobwhite quail (Colinus virginianus):
Dietary toxicity, 5 days, LC50: > 4,640 mg/kg diet
No more than slightly toxic.
Mallard duck (Anas platyrhynchos):
Dietary toxicity, 5 days, LC50: > 4,640 mg/kg diet
No more than slightly toxic.
Bobwhite quail (Colinus virginianus):
Acute oral toxicity, single dose, LD50: > 3,851 mg/kg body weight
Practically non-toxic.
Bioaccumulation
Bluegill sunfish (Lepomis macrochirus):
Whole fish: BCF: < 1
No significant bioaccumulation is expected.
Dissipation
Soil, field:
Half life: 2 - 174 days
Koc: 884 - 60,000 L/kg
Adsorbs strongly to soil.
Water, aerobic: