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Response If swallowed: Rinse mouth. Do NOT induce vomiting. If on skin (or hair): Take off immediately all <br />contaminated clothing. Rinse skin with water/shower. If in eyes: Rinse cautiously with water for <br />several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. If inhaled: <br />Remove person to fresh air and keep comfortable for breathing. Immediately call a poison <br />center/doctor. Wash contaminated clothing before reuse. <br />Storage Protect from sunlight. Store in a well -ventilated place. Keep container tightly closed. Store locked <br />up. <br />Disposal Dispose of contents/container in accordance with local/regional/national/international regulations. <br />Hazard(s) not otherwise None known. <br />classified (HNOC) <br />Supplemental information None. <br />3. Composition/information on ingredients <br />Substances <br />Chemical name Common name and CAS number % <br />synonyms <br />Sulfur dioxide 7446-09-5 100 <br />Composition comments All concentrations are in percent by weight unless ingredient is a gas. Gas concentrations are in <br />percent by volume. <br />4. First -aid measures <br />Inhalation Move to fresh air. If breathing is difficult, give oxygen. If not breathing, give artificial respiration. <br />Call a physician or poison control center immediately. <br />Skin contact Frostbite: Do not remove clothes, but flush with copious amounts of lukewarm water. Call an <br />ambulance and continue to flush during transportation to hospital. <br />Eye contact <br />Immediately flush eyes with plenty of water for at least 15 minutes. Remove contact lenses, if <br />present and easy to do. Continue rinsing. Get medical attention immediately. <br />Ingestion <br />Call a physfclan or poison control center Immediately. DO NOT induce vomiting. If victim is fully <br />conscious, give a cupful of water. Never give anything by mouth to an unconscious person. If <br />vomiting occurs, keep head lower than the hips to help prevent aspiration. This material is a gas <br />under normal atmospheric conditions and ingestion is unlikely. <br />Most important <br />Burning pain and sevore corrosive skin damage. Causes serious eye damage. Symptoms include <br />symptoms/effects, acute and <br />itching, burring, redness, and tearing of eyes. Permanent eye damage inc)uding blindness could <br />delayed <br />result. Contact with liquefied gas may cause frostbite. Be aware that symptoms of lung edema <br />(shortness of breath) may develop up to 24 hours after exposure. <br />Indication of immediate <br />Provide general supportive measures and treat symptomatically. <br />medical attention and special <br />treatment needed <br />5. Fire -fighting measures <br />Suitable extinguishing media Carbon dioxide or dry powder. <br />Unsuitable extinguishing Do not use a solid water stream as It may scatter and spread fire. <br />media <br />Specific hazards arising from <br />By heating and fire, harmful vapors/gases may be formed. Carbon oxides. Sulfur oxides. <br />the chemical <br />Special protective equipment <br />Self-contained breathing apparatus and full protective clothing must be worn in case of fire. <br />and precautions for firefighters <br />Selection of respiratory protection for firefighting: follow the general fire precautions indicated in <br />the workplace. <br />Fire fighting <br />Evacuate area. Allow gas to burn if flow cannot be shut off immediately. Apply water from safe <br />equipment/instructions <br />distance to cool container and protect surrounding area. <br />6. Accidental release measures <br />Personal precautions, <br />Evacuate the area promptly. No action shall be taken involving any personal risk or without <br />protective equipment and <br />suitable training. Keep unnecessary personnel away. <br />emergency procedures <br />Ensure adequate ventilation. In case of inadequate ventilation, use respiratory protection. For <br />personal protection, see Section 8 of the SDS. <br />Methods and materials for <br />Ventilate well, stop flow of gas or liquid if possible. Immediately contact emergency personnel. For <br />containment and cleaning up <br />waste disposal, see Section 13 of the SDS. <br />Environmental precautions <br />Should not be released into the environment. Prevent further leakage or spillage if safe to do so. <br />Prevent from entering into soil, ditches, sanitary sewers, waterways and/or groundwater. <br />Sulfur dioxide SDS US <br />Rev. 05 Revision date: 6-July-2021 Issue date: 11-July-2014 2/8 <br />/8 <br />