MSDS

Monsanto Company, Lawn & Garden Products
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Roundup® Weed & Grass Killer Ready-To-Use Plus Version: 1.0 Effective date: 05/28/2004
Days to heal: 10
Moderate irritation.
FIFRA category III.
Similar formulation
Acute oral toxicity
Rat, LD50: > 5,000 mg/kg body weight
Practically non-toxic.
FIFRA category IV.
No mortality.
Acute dermal toxicity
Rat, LD50: > 5,000 mg/kg body weight
Practically non-toxic.
FIFRA category IV.
No mortality.
Acute inhalation toxicity
Rat, LC50, 4 hours, aerosol:
Practically non-toxic.
FIFRA category IV.
No mortality. No 4-hr LC50 at the maximum tested concentration.
Skin sensitization
Guinea pig, Buehler test:
Positive incidence: 0 %
N-(phosphonomethyl)glycine; {glyphosate}
Mutagenicity
In vitro and in vivo mutagenicity test(s):
Not mutagenic.
Repeated dose toxicity
Rabbit, dermal, 21 days:
NOAEL toxicity: > 5,000 mg/kg body weight/day
Target organs/systems: none
Other effects: none
Rat, oral, 3 months:
NOAEL toxicity: > 20,000 mg/kg diet
Target organs/systems: none
Other effects: none
Chronic effects/carcinogenicity
Mouse, oral, 24 months:
NOEL tumour: > 30,000 mg/kg diet
NOAEL toxicity: ~ 5,000 mg/kg diet
Tumours: none
Target organs/systems: liver
Other effects: decrease of body weight gain, histopathologic effects
Rat, oral, 24 months:
NOEL tumour: > 20,000 mg/kg diet
NOAEL toxicity: ~ 8,000 mg/kg diet
Tumours: none
Target organs/systems: eyes
Other effects: decrease of body weight gain, histopathologic effects
Toxicity to reproduction/fertility
Rat, oral, 3 generations:
NOAEL toxicity: > 30 mg/kg body weight
NOAEL reproduction: > 30 mg/kg body weight
Target organs/systems in parents: none