MSDS

Monsanto Company, Lawn & Garden Products
Page: 7 / 10
Roundup® Ready-To-Use Extended Control Weed & Grass
Killer Plus Weed Preventer II
Version: 1.1 Effective date: 10/16/2009
Pelargonic and related fatty acids
Repeated dose toxicity
Rat, oral, 4 weeks:
Dosage: 2,090 mg/kg body weight/day
Target organs/systems: none
Other effects: none
Imazapic acid
Mutagenicity
In vitro and in vivo mutagenicity test(s):
Not mutagenic.
Repeated dose toxicity
Rabbit, dermal, 21 days:
NOAEL toxicity: 1,000 mg/kg body weight/day
Target organs/systems: none
Rat, oral, 13 weeks:
NOAEL toxicity: 1,640 mg/kg body weight/day
Target organs/systems: none
Other effects: none
Chronic effects/carcinogenicity
Dog, oral, 1 years:
NOAEL toxicity: < 158 mg/kg body weight/day
Target organs/systems: skeletal muscle
Other effects: histopathologic effects, blood biochemistry effects
Rat, oral, 2 years:
NOAEL toxicity: 1,133 mg/kg body weight/day
Target organs/systems: none
Other effects: none
NOEL tumour: 1,133 mg/kg body weight/day
No tumours.
Mouse, oral, 18 months:
NOAEL toxicity: 1,288 mg/kg body weight/day
Target organs/systems: none
Other effects: none
NOEL tumour: 1,288 mg/kg body weight/day
No tumours.
Toxicity to reproduction/fertility
Rat, oral, 2 generations:
NOAEL toxicity: 1,344 mg/kg body weight/day
NOAEL reproduction: 1,344 mg/kg body weight/day
Target organs/systems in parents: none
Target organs/systems in pups: none
Developmental toxicity/teratogenicity
Rat, oral, days of gestation:
NOAEL toxicity: 1,000 mg/kg body weight/day
NOAEL development: 1,000 mg/kg body weight/day
Target organs/systems in mother animal: none
Developmental effects: none
Rabbit, oral, days of gestation:
NOAEL toxicity: 350 mg/kg body weight/day
NOAEL development: 500 mg/kg body weight/day
Target organs/systems in mother animal: none
Other effects in mother animal: decrease of body weight gain, decrease of food consumption
Developmental effects: none