Willowood Diuron 4SC

SECTION 2: Hazards identification

NOTE: Please refer to Section 11 for detailed toxicological information. EMERGENCY OVERVIEW: WARNING! Diuron 4SC is an irritant and an environmentally hazardous substance. Diuron is harmful if swallowed or inhaled. There is limited evidence that Diuron may be a human carcinogen. Diuron can cause moderate eye irritation. Diuron is only slightly toxic to fish but very toxic to marine invertibrates. Avoid breathing dust or aerosol. Avoid contact with eyes, skin, or clothing. In extreme circumstances, inhalation or ingestion of Diuron can produce Diuron-induced methemoglobinemia in the blood system. Treatment under the supervision of a physician with methylene blue intravenous injection may be an indicated treatment in severe cases of Diuron-induced methemoglobinemia. PHYSICAL STATE: Liquid Suspension. APPEARANCE: Nearly colorless to light brown liquid suspension.

Principle Routes of Exposure

Inhalation, Skin Contact, Skin Absorption, or Eye Contact IMMEDIATE EFFECTS: Eye: Can cause moderate eye irritation. Do not get in the eyes. Skin: Avoid contact with skin and clothing. 1 Skin Irritation: Unlikely to cause significant irritation or sensitization by skin contact. Ingestion: Harmful if swallowed. Do not take internally. Inhalation: Harmful if inhaled. Avoid breathing dust, mist, or aerosol. CHRONIC OR DELAYED LONG-TERM: The EPA has classified Diuron as a known or likely human carcinogen since 1997, based on increased incidence of bladder and kidney cancer in male and female rat studies. However, none of the components of Diuron 4SC are listed by IARC, NTP, or OSHA as a carcinogen. There is no evidence of human carcinogenicity. Diuron has not been found to be a human teratogen, but there is some evidence that it may be a mutagen.

Medical Conditions Generally Aggravated by Exposure

Diuron may cause upper respiratory irritation, or temporary irritation to the eyes.