Calcium oxide risks

Calcium oxide is a kind of chemical compounds with the Chemical formula CaO. It is a colorless, cubic crystalline or white amorphous substance. Calcium oxide has many aliases, we often call it lime, quicklime, or caustic lime, its CAS No is 1305-78-8. In this article, we will tall about some risks of Calcium oxide and some measures as well.

Here are the lists of Potential Health Effects:

Inhalation of Calcium oxide is highly irritating and possibly corrosive to the upper respiratory tract. May cause coughing, sneezing, labored breathing, and possibly burns with perforation of the nasal septum. Ingestion of Calcium oxide May attack the esophagus. Abdominal pain, nausea, vomiting may result. May cause serious alkali burns in mouth and throat. If skin contacts Calcium oxide may cause severe corrosive damage. When Eye Contact it, the severe irritant, may damage eye tissues, causes redness, tearing, blurred vision, pain. 

Chronic inhalation of Calcium oxide may cause inflammation of the respiratory passages, ulcers of the mucous membranes, and possible perforation of nasal septum. Persons with pre-existing skin disorders or eye problems or impaired respiratory function may be more susceptible to the effects of the substance.

Now we will tall about the measures:

First Aid Measures

Inhalation: Remove to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Call a physician.

Ingestion: DO NOT INDUCE VOMITING! Give large quantities of water or milk if available. Never give anything by mouth to an unconscious person. Get medical attention immediately.

Skin Contact: Immediately flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Call a physician, immediately. Wash clothing before reuse.

Eye Contact: Wash thoroughly with running water. Get medical advice if irritation develops.

Fire: Not considered to be a fire hazard. Lime and water can react exothermically with sufficient heat to ignite combustible materials in certain instances.

Explosion: Not considered to be an explosion hazard. The combination of lime and water at high temperatures may be explosive. 

Fire Extinguishing Media: Use any means suitable for extinguishing surrounding fire. 

Special Information: In the event of a fire, wear full protective clothing and NIOSH-approved self-contained breathing apparatus with full facepiece operated in the pressure demand or other positive pressure mode.

Accidental Release Measures

Ventilate area of leak or spill. Keep unnecessary and unprotected people away from area of spill. Wear appropriate personal protective equipment as specified in Section 8. Spills: Pick up and place in a suitable container for reclamation or disposal, using a method that does not generate Calcium oxide.

At last we can learn some knowledge about the Handling and Storage of Calcium oxide.

Keep in a tightly closed container. Protect from physical damage. Store in a cool, dry, ventilated area away from sources of heat, moisture and incompatibilities. This strongly alkaline material will swell and generate heat when moistened and could burst container. Containers of this material may be hazardous when empty since they retain product residues (Calcium oxide, solids); observe all warnings and precautions listed for the product.

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