MSMA 720 SL Herbicide

SECTION 2: Hazards identification

Toxicity class: WHO III; EPA III. A moderately toxic herbicide. Main hazard: Harmful. The pentavalent arsenicals are relatively water soluble and absorbable across mucous membranes. Eye contact: May cause eye irritation. Skin contact: Minimally toxic. May cause mild skin irritation. Ingestion: Toxic by ingestion. Inhalation: Minimally toxic. 4. FIRST AID MEASURES AND PRECAUTIONS Symptoms of acute poisoning may appear within one hour of ingestion, but may delay for several hours. Identification for this toxicant in the severely poisoned is the familiar garlic odour of the breath and faeces. Gastrointestinal effects: inflammation of the mouth, pharynx, oesophagus, burning abdominal pain, thirst, vomiting and rice-water or bloody diarrhoea. Renal injury: proteinuria, hematuria, glycosuria, oliguria, casts in the urine, and in severe cases, acute tubular necrosis. Central nervous system effects: headache, dizziness, muscle weakness and spasms, hypothermia, lethargy, delirium, coma and convulsions. Cardiovascular effects: shock, cyanosis and cardiac arrhythmias due to direct toxic action and electrolyte disturbances. Inhalation: Remove source of contamination or move victim to fresh air. If breathing has stopped, perform artificial respiration and administer oxygen. Keep person warm and at rest. Treat symptomatically and supportively as and when required. Obtain medical advice if necessary.