4 hr. exposure. Prolonged contact could produce reddening, swelling etc. and skin sensitization and dermatitis in some individuals. Prolonged contact may lead to corneal damage but it is reversible and not permanent. However, it is not considered a common occupational route of exposure. These are usually reversible.
Initial symptoms are runny nose, dryness of throat, coughing, headache or tightness of chest.
Flush with clean lukewarm water for at least 15 minutes, occasionally lifting eyelids, and obtain medical attention. Remove contaminated clothing. Wash affected areas thoroughly with soap and water. Wash contaminated clothing before re-use. Move to an area free from risk of further exposure.