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SECTION 2: Hazards identification

(Pictograms) 3. Hazards Identification Eye Hazards The concentrated material induced severe irritation in rabbit eye studies, but dilution of 5% or less were non-irritating. Skin Hazards A 10% solution of the material induced skin sensitization in human patch tests. Dermatitis and allergic skin reactions can develop on human skin after repeated/prolonged contact with 10% solution or with higher concentration of this material. Relative to other materials, this product is practically non-toxic by skin penetration. Systematically concentrations are unlikely to be absorbed through the skin in man. Ingestion Hazards Relative to other materials, a single dose of this product is slightly toxic by ingestion. Irritation of the mouth, pharynx, esophagus and stomach may develop following ingestion. Inhalation Hazards This product does not pose a vapor inhalation hazard, but repeated and/or prolonged aerosol exposures are potentially hazardous. Rats exposed to 0.25 mg/m3 as an aerosol for six hours per day, 5 days per week, for three weeks, developed methemoglobinemia, eye and respiratory irritation and pnemonitis. 3. Hazards Identification - Continued Inhalation Hazards - Continued No adverse respiratory effects were observed at 0.025 mg/m3 in air. The effects were more severe at higher concentrations. If aerosol exposure is limited and good industrial hygiene is practiced, the potential hazards associated with aerosol exposure will not be expressed. The symptoms of methemoglobinemia includes cyanosis (blue-tinged skin), euphoria, headache, flushed face, light-headedness, ataxis, weakness, rapid heart beat, labored breathing, nausea, vomiting and mental confusion. Hypertension, blindness, liver and kidney injury can result after extreme exposure. First Aid (Pictograms)