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Molten Sulfur

What is sulfur?

Sulfur is a pale yellow solid that might smell like rotten eggs. Sulfur is transported as a molten sulfur or liquid sulfur. Molten sulfur is transported at high temperatures (290°F) to keep the liquid from turning into a solid.

Where is sulfur found?

Sulfur molten is used in sulfuric acid production, petroleum refining and pulp and paper manufacturing. It is also used in making fertilizers, detergents and rubbers.

How might I be exposed?

  • Working in industry where substance is produced or used
  • Breathing contaminated air or coming into contact with substance during a spill or release incident

What will molten sulfur do to me?

Molten sulfur is flammable. This liquid sulfur can release poisonous gases such as hydrogen sulfide. Inhaling molten sulfur can irritate the nose, throat, and lungs. Contact can irritate and burn the skin and eyes. Eye damage may occur. Exposure can cause headache, nausea, and vomiting.

How can I protect myself?

In the event of a spill or release follow instructions given by emergency responders and local authorities (i.e. shelter in place, evacuation, etc.). Follow precautions and instructions for handling molten sulfur. Keep products out of reach of children. Keep products in original packaging.


In case of an emergency, contact your regional poison control center at 1-800-222-1222 or 911 emergency services for help.

First Aid

Inhalation: move to fresh air. Begin rescue breathing (using proper respiratory medical
device) if breathing has stopped and CPR if heart has stopped. Get medical attention right away.

Skin contact: remove contaminated clothing. Removal of solidified molten material from skin requires medical assistance. Immediately wash area with large amounts of soap and water. Rinse area for at least 30 minutes. Get medical attention right away.

Eye contact: rinse the whites of eyes with water for at least 30 minutes, lifting upper and lower lids. If possible, remove contact lenses while rinsing. Get medical attention right away.

Ingestion: do not make person vomit. Call Oregon Poison Center at 1-800-222-1222 or seek medical attention immediately.

Where can I find more information?

  • Local health department
  • Oregon Poison Center: Phone 1-800-222-1222
  • New Jersey Department of Health, Right to Know Hazardous Substance Fact Sheets for Sulfur (English and Spanish)
  • U.S. Department of Transportation Pipeline and Hazardous Materials Safety Administration, Emergency Response Guide Book (English and Spanish)