MSDS

Monsanto Company, Lawn & Garden Products
Page: 6 / 9
Roundup® Weed & Grass Killer Ready-To-Use Plus Version: 1.0 Effective date: 05/28/2004
Other effects in parents: none
Target organs/systems in pups: none
Other effects in pups: none
Developmental toxicity/teratogenicity
Rat, oral, 6 - 19 days of gestation:
NOAEL toxicity: 1,000 mg/kg body weight
NOAEL development: 1,000 mg/kg body weight
Other effects in mother animal: decrease of body weight gain, decrease of survival
Developmental effects: weight loss, post-implantation loss, delayed ossification
Effects on offspring only observed with maternal toxicity.
Rabbit, oral, 6 - 27 days of gestation:
NOAEL toxicity: 175 mg/kg body weight
NOAEL development: 175 mg/kg body weight
Target organs/systems in mother animal: none
Other effects in mother animal: decrease of survival
Developmental effects: none
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
12. ECOLOGICAL INFORMATION
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 (limit test), 96 hours, static, LC50: > 100 mg/L
Practically non-toxic.
Aquatic toxicity, invertebrates
Water flea (Daphnia magna):
Acute toxicity (limit test), 48 hours, static, EC50: > 100 mg/L
Practically non-toxic.
Aquatic toxicity, algae/aquatic plants
Green algae (Scenedesmus subspicatus):
Acute toxicity, 72 hours, static, EC50: > 87.7 mg/L
No more than slightly toxic.
Arthropod toxicity
Honey bee (Apis mellifera):
Oral, 48 hours, LD50: > 9,742 µg/bee
Practically non-toxic.
Honey bee (Apis mellifera):
Contact, 48 hours, LD50: 8,309 µg/bee
Practically non-toxic.
Soil organism toxicity, invertebrates
Earthworm (Eisenia foetida):
Acute toxicity, 14 days, LC50: > 1,000 mg/kg dry soil
Practically non-toxic.