StressKote Brittle Coating, SK 20°F/(-7°C) through SK 100°F/(38°C), inclusive

SECTION 2: Hazards identification

The specific hazards associated with a StressKote Brittle Coating depends upon its physical state as either Liquid StressKote, or Dried Brittle Coating. The liquid, which contains the volatile organic compounds, dichloromethane and toluene, has potential health effects primarily attributable to these two solvents, and to a much lesser extent, the gum rosin derivatives and the low concentration of dibutylphthalate, if present. The Dried Brittle Coating, containing only the gum rosin derivatives or gum rosin derivatives and dibutylphthalate, is believed not to pose a health risk to the end user, unless airborne dust, which can be inhaled, is generated during a mechanical removal (e.g., scraping, grinding, or wire brushing) of the coating from a test surface. The hazards identified below apply to Liquid StressKote, unless otherwise noted. Emergency Overview

Health hazards

2 Flammability 1 (Self-extinguishing liquid. See section 5) 2 Fire 1 (Self-extinguishing liquid) Reactivity 0

Physical hazards

0

Potential health effects

Inhalation May be harmful if inhaled, causing respiratory tract irritation. Liquid StressKote produces vapors which have a sweet, chlorinated hydrocarbon and pungent, aromatic hydrocarbon odor. These vapors, which are more dense than air, may cause at levels around 1000 ppm, drowsiness, dizziness, headache, nausea and vomiting, and if allowed to accumulate in poorly ventilated areas to concentrations as low as 10,000 ppm, can cause CNS depression, cardiac arrhythmia, unconsciousness and death. Dichloromethane is metabolized in the body producing carbon monoxide which increases and sustains carboxyhemoglobin levels in the blood, reducing the blood’s oxygen-carrying capacity. Skin May be harmful if absorbed through skin. May cause skin irritation and discoloration, with prolonged contact causing redness, swelling and burns. Severe response may be experienced on covered skin (under clothing, gloves or jewelry), with attendant drying and flaking of the skin. May cause dermatitis. Dried Brittle Coating may also cause skin irritation and discoloration, with prolonged contact causing redness and dermatitis. Eyes May cause eye irritation, conjunctivitis, and reversible corneal injury. Dried Brittle Coating dusts may also cause eye irritation and conjunctivitis. Ingestion Low toxicity if small amounts are swallowed. Larger amounts will cause abdominal pain (gastrointestinal discomfort), nausea, diarrhea, and through aspiration may engender pneumonitis. Ingestion of small amounts of Dried Brittle Coating dust has a low toxicity. Cancer None of the components of Liquid StressKote or hence, Dried Brittle Coating, is believed to pose a measurable carcinogenic risk to man when handled as recommended. ____________________________________________________________________________________________