Diphenylamine

SECTION 2: Hazards identification

Emergency Overview Appearance: Colorless to gray solid. Warning! Harmful if swallowed, inhaled, or absorbed through the skin. May cause allergic skin reaction. May cause eye, skin, and respiratory tract irritation. May be absorbed through intact skin. May cause methemoglobinemia. Light sensitive. May cause liver and kidney damage. Target Organs: Kidneys, central nervous system, liver, red blood cells, bladder.

Potential health effects

Eye: May cause eye irritation. Skin: May cause skin irritation. May cause skin sensitization, an allergic reaction, which becomes evident upon re-exposure to this material. Ingestion: May cause irritation of the digestive tract. Methemoglobinemia is characterized by dizziness, drowsiness, headache, shortness of breath, cyanosis (bluish discoloration of skin due to deficient oxygenation of the blood), rapid heart rate and chocolate-brown colored blood. May cause effects similar to those of acute inhalation. Overexposure may cause methemoglobinemia. - 1 - Inhalation: Inhalation of vapor may cause respiratory tract irritation. May cause methemoglobinemia, cyanosis (bluish discoloration of skin due to deficient oxygenation of the blood), convulsions, tachycardia, dyspnea (labored breathing), and death. May cause adverse central nervous system effects including headache, convulsions, and possible death. May cause bladder injury and hypertension. Chronic: Prolonged or repeated skin contact may cause dermatitis. Adverse reproductive effects have been reported in animals. There is a danger of cumulative effects.