- Diammonium sulfite
- Diammonium sulfonate
- Sulfurous acid, diammonium salt
Ammonium sulfite is a colorless crystalline solid.
In prodn of caramel.
Registry Numbers and Inventories.
Swiss Giftliste 1
Japan ENCS (MITI)
Sublimation point, °C
Decomposition point, °C
1.41 g/cm3 (25 C)
Solubility in water
Hazards and Protection.
Keep containers tightly closed in a well ventilated, cool area away from food products. Keep away from heat and water.
All chemicals should be considered hazardous. Avoid direct physical contact. Use appropriate, approved safety equipment. Untrained individuals should not handle this chemical or its container. Handling should occur in a chemical fume hood.
Protect against both inhalation and contact with the skin. Must wear protective clothing including niosh approved rubber gloves and boots, safety goggles or face mask, and a respirator whose canister is specifically approved for this material.
Wear positive pressure self-contained breathing apparatus (SCBA).
Keep material out of water sources and sewers. Build dikes to contain flow as necessary. Land spill: Dig a pit, pond, lagoon, holding area to contain liquid or solid material. Cover solids with a plastic sheet to prevent dissolving in rain or fire fighting water. Water spill: Add calcium hypochlorite (Ca(ClO)2). Adjust pH to neutral (pH=7).
Keep tightly closed and in a cool location.
Extinguish fire using agent suitable for type of surrounding fire. (Material itself does not burn or burns with difficulty.)
Containers may explode when heated.
Toxic sulfur dioxide and oxides of nitrogen may form in fires.
Acute ingestions of 3.5 Mg/kg produce vomiting in most individuals. Larger doses may result in gastric irritation, abdominal pain, and gastric hemorrhage.
Inhalation of material may be harmful.
Generalized urticaria and allergic eczematous dermatitis may be noted.
Give large amount of water; get medical attention.
Move to fresh air.
Flush with water.
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.
USCG CHRIS Code
Std. Transport #