MSDS

Monsanto Company, Lawn & Garden Products
Page: 5 / 9
Roundup® Weed & Grass Killer Ready-To-Use Plus Version: 1.0 Effective date: 10/22/2009
Materials to avoid/Reactivity
Reacts with galvanised steel or unlined mild steel to produce hydrogen, a highly flammable gas that could explode.
Hazardous decomposition
Thermal decomposition: Hazardous products of combustion: see section 5.
Self-accelerating decomposition temperature (SADT)
No data.
11. TOXICOLOGICAL INFORMATION
This section is intended for use by toxicologists and other health professionals.
Data obtained on similar products and on components are summarized below.
Similar formulation
Acute oral toxicity
Rat, female, LD50 (limit test): > 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: > 2.87 mg/L
Practically non-toxic.
FIFRA category IV.
No 4-hr LC50 at the maximum tested concentration. For purposes of the inhalation test, product was artificially
aerosolized. Since this material will not become aerosolized to a hazardous concentration during transport, it is
classified as non-hazardous under the transportation regulations in accordance with 2.6.2.2.4.7(b) and (c) of the
UN Recommendations on the Transport of Dangerous Goods.
Skin sensitization
Guinea pig, 3-induction Buehler test:
Positive incidence: 0 %
Similar formulation
Skin irritation
Rabbit, 3 animals, OECD 404 test:
Days to heal: 3
Primary Irritation Index (PII): 0.8/8.0
Slight irritation.
FIFRA category IV.
Eye irritation
Rabbit, 3 animals, OECD 405 test:
Days to heal: 10
Moderate irritation.
FIFRA category III.
N-(phosphonomethyl)glycine; {glyphosate}
Mutagenicity