WRA-172

SECTION 2: Hazards identification

EMERGENCY OVERVIEW: WARNING! Product is Clear/Pale Yellow liquid with negligible-nearly odorless odor that may cause allergic respiratory reaction; harmful if inhaled or swallowed; may cause respiratory tract irritation, allergic skin reaction, eye irritation; and may cause lung damage. Closed container of product may explode under extreme heat or when contaminated with water. Use cold water spray to cool fire-exposed containers to minimize the risk of rupture. Toxic gases/fumes are given off during burning or thermal decomposition.

Principle Routes of Exposure

Dermal, Inhalation, Eye contact, Ingestion GENERAL HEALTH EFFECTS: ACUTE: • Skin Contact: Can cause irritation. Symptoms include reddening, swelling, rash, scaling, or blistering. Some persons may develop skin sensitization from skin contact. • Eye Contact: Liquid, aerosols, and vapors are irritating and can cause pain, tearing, reddening and swelling accompanied by a stinging sensation and/or a feeling like that of fine dust in the eyes. Prolonged contact may result in corneal opacity (clouding of the eye surface). • Inhalation: Inhalation of vapors or mist at concentrations above the TLV or manufacturers recommendations can irritate the mucous membranes in the respiratory tract (nose, throat, lungs) causing burning sensation, runny nose, sore throat, coughing, chest discomfort, shortness of breath and reduced lung function. Exposures well above the TLV may lead to bronchitis, bronchial spasm and pulmonary edema (fluid in the lungs). These effects are usually reversible. Chemical hypersensitive pneumonitis, with flu-like symptoms has also been reported. • Ingestion: May be harmful if swallowed. CHRONIC: • Skin Contact: Prolonged contact can cause skin sensitization from contact with very small amounts of liquid material or vapor-only exposure. • Eye Contact: Prolonged contact may result in corneal opacity (clouding of the eye surface). • Inhalation: Repeated overexposures or a single large dose may result in isocyanate sensitization (chemical asthma) which will cause a later reaction to exposure of isocyanate at levels well below the exposure limits or guidelines. The symptoms include chest tightness, wheezing, cough, shortness of breath or asthmatic attack and could be immediate or delayed up to several hours after exposure. Extreme asthmatic reactions can be life threatening. Similar to many non-specific asthmatic

Response

there are reports that once sensitized an individual can experience these symptoms upon exposure to dust, cold air, or other irritants. This increased lung sensitivity can persist for weeks and in severe cases for several years. Chronic overexposure can also cause lung damage, including decrease in lung function, which may be permanent. Sensitization can be permanent. • Ingestion: May be harmful if swallowed.

Medical Conditions Generally Aggravated by Exposure

Persons with a preexisting, nonspecific bronchial hyperreactivity can respond to concentrations below the TLV or MGL with similar symptoms as well as an asthma attach. Asthma and other respiratory disorders (bronchitis, emphysema, hyperreactivity), skin allergies, eczema and existing eye conditions may be aggravated by exposure.

HMIS® ratings

Health – 2* Flammability - 1 Physical Hazard – 1 PPE – H