- Sulfurous acid, dipotassium salt
Photography, preservative and antioxidant in foods.
Registry Numbers and Inventories.
Swiss Giftliste 1
Japan ENCS (MITI)
Hazards and Protection.
Store in a cool, dry location in a tightly closed container.
Containers of this material may be hazardous when emptied. Since emptied containers retain product residues (vapor, liquid, and/or solid), all hazard precautions given in the data sheet must be observed.
Chemical splash goggles in compliance with OSHA regulations are advised; however, OSHA regulations also permit other type safety glasses. Wear resistant gloves such as: nitrile rubber, To prevent repeated or prolonged skin contact, wear impervious clothing and boots.
If overexposure has been determined or documented, a NIOSH/MSHA jointly approved air supplied respirator is advised in absence of proper environmental control. OSHA regulations also permit other NIOSH/MSHA respirators under specified conditions.
Small Spill: Sweep up material for disposal or recovery. Large Spill: Use protective clothing and devices as required. Stop spill at source. Scoop or vacuum transfer spilled product to clean containers for recovery. Sweep up unrecoverable product. Transfer sweepings, contaminated soil, and other materials to containers for disposal.
Stable at normal temperatures and pressures.
Strong mineral acids, strong organic acids, strong oxidizing agents.
Use an extinguishing media appropriate for surrounding fire. Water may be used to keep fire-exposed containers cool until fire is out. Wear a self-contained breathing apparatus with a full facepiece operated in the positive pressure demand mode with appropriate turn-out gear and chemical resistant personal protective equipment.
No special fire hazards are known to be associated with this product.
Signs and symptoms of exposure to this material through breathing, swallowing, and/or passage of the material through the skin may include: stomach or intestinal upset (nausea, vomiting, diarrhea, irritation (nose, throat, airways).
Nausea and vomiting may be noted. Weight loss can be seen with chronic exposure.
Respiratory depression, cyanosis, pulmonary edema, bronchitis, and dyspnea may be noted following exposure to non-fatal concentrations.
May cause mild skin irritation. Symptoms may include redness and burning of skin
May cause mild eye irritation. Symptoms include stinging, tearing, and redness
Hydrogen sulfide is a gas at room temperature (harbison, 1998), making ingestion unlikely.
Immediately move patient to fresh air and administer 100 percent oxygen. Prevent self-exposure and possible death by wearing a self-contained breathing apparatus to rescue the victim.
Remove contaminated clothing and wash exposed area thoroughly with soap and water. A physician should examine the area if irritation or pain persists.
Irrigate exposed eyes with copious amounts of tepid water for at least 15 minutes. If irritation, pain, swelling, lacrimation, or photophobia persist, the patient should be seen in a health care facility.