RAFFINATE II

SECTION 2: Hazards identification

OSHA Emergency Overview DANGER! Color Colorless Form Gas Liquid at 68 °F (20 °C) and greater than 2.48 bar; gaseous under normal conditions. Odor: Pungent. Flammable. Vapors may ignite explosively. May form explosive peroxides. In case of fire, allow gas to burn if flow cannot be shut off immediately. Use cold water spray to cool fire-exposed containers to minimize the risk of rupture. Closed container may forcibly rupture under extreme heat. May cause eye, skin, and respiratory tract irritation. May be harmful if inhaled. Inhalation may cause nausea or dizziness. May be harmful if swallowed. Contains material which can cause cancer.

Principle Routes of Exposure

Inhalation, Skin Contact, Eye Contact

Medical Conditions Generally Aggravated by Exposure

Respiratory disorders, Eye disorders, Skin disorders, Blood Exposure: disorders, Liver disorders, Kidney disorders HUMAN EFFECTS AND SYMPTOMS OF OVEREXPOSURE Inhalation Acute Inhalation For Product: RAFFINATE II May cause respiratory tract irritation with symptoms of coughing, sore throat and runny nose. May cause nervous system effects which can include symptoms of dizziness, incoordination, headache, numbness, and/or confusion. For Component: Butenes May induce cardiac arrhythmia (irregular heartbeat) in some individuals. May cause nervous system effects which can include symptoms of dizziness, incoordination, headache, numbness, and/or confusion. Vapor can reduce oxygen available for breathing. For Component: Butane May be harmful by inhalation. Overexposure to vapor may produce dizziness, drowsiness, or nausea. May cause adverse respiratory effects including cough, tightness of chest and shortness of breath. For Component: Isobutene May cause nervous system effects which can include symptoms of dizziness, incoordination, headache, numbness, and/or confusion. For Component: 1,3-Butadiene Causes respiratory tract irritation with symptoms of coughing, sore throat and runny nose. May cause nervous system effects which can include symptoms of dizziness, incoordination, headache, numbness, and/or confusion. Chronic Inhalation For Component: 1,3-Butadiene Repeated or prolonged exposure may cause effects as described in chronic ingestion. Skin Acute Skin For Product: RAFFINATE II Exposure to rapidly expanding gas or vaporizing liquid may cause frostbite with symptoms including loss of skin color, pain or a burning sensation followed by numbness, and in severe cases, blisters. For Component: Butenes Exposure to rapidly expanding gas or vaporizing liquid may cause frostbite with symptoms including loss of skin color, pain or a burning sensation followed by numbness, and in severe cases, blisters. For Component: Isobutene Exposure to rapidly expanding gas or vaporizing liquid may cause frostbite with symptoms including loss of skin color, pain or a burning sensation followed by numbness, and in severe cases, blisters. For Component: 1,3-Butadiene Exposure to rapidly expanding gas or vaporizing liquid may cause frostbite with symptoms including loss of skin color, pain or a burning sensation followed by numbness, and in severe cases, blisters. Eye Acute Eye For Product: RAFFINATE II May cause irritation with symptoms of reddening, tearing and stinging. Exposure to rapidly expanding gas or vaporizing liquid may cause redness, pain, or blurred vision, and in severe case, burns. For Component: Butenes Exposure to rapidly expanding gas or vaporizing liquid may cause redness, pain, or blurred vision, and in severe case, burns. For Component: Butane Not expected to be irritating. For Component: Isobutene Exposure to rapidly expanding gas or vaporizing liquid may cause redness, pain, or blurred vision, and in severe case, burns. For Component: 1,3-Butadiene Causes irritation with symptoms of reddening, tearing, stinging, and swelling. Exposure to rapidly expanding gas or vaporizing liquid may cause redness, pain, or blurred vision, and in severe case, burns. Ingestion Acute Ingestion For Product: RAFFINATE II May be harmful if swallowed. May cause nervous system effects which can include symptoms of dizziness, incoordination, headache, numbness, and/or confusion. For Component: Butane Ingestion is not a typical route of industrial exposure. For Component: Isobutene Not expected to be harmful if swallowed. For Component: 1,3-Butadiene Acute overexposure to this product may cause headache, dizziness, flushing, hypotension, and tachycardia. Symptoms of ingestion may include abdominal pain, nausea, vomiting, and diarrhea. Chronic Ingestion For Component: 1,3-Butadiene May cause blood disorders. May cause brain damage. May cause kidney damage. May cause lung damage. May cause liver damage. General Effects of Exposure

Potential chronic health

of Exposure For Product: RAFFINATE II May cause blood disorders. May cause kidney damage. May cause liver damage. In epidemiological studies of workers exposed to butadiene, increased incidences of neoplasms of the lymphatic and hematopoietic systems and cancer of the gastrointestinal tract, kidney, testes, brain, thyroid, and pancreas have been reported. Carcinogenicity: 1,3-Butadiene NTP - Hazard Designation: Known carcinogen. NTP - Year first listed as Known carcinogen: IARC - Overall evaluation: 1 Human carcinogen. IARC - Year First Listed as a Group 1 Carcinogen: 2007