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Usage

Uses

Used in Medical and Surgical Procedures:
Soda lime is used as a carbon dioxide absorber in rebreathing anesthesia systems, ensuring that patients receive a continuous supply of fresh oxygen during surgeries.
Used in Submarines:
Soda lime is used as a carbon dioxide scrubber in submarines, maintaining a breathable atmosphere for the crew by removing carbon dioxide from the air.
Used in Carbon Determinations:
Soda lime is used as a powerful drying agent or desiccant in commercial and industrial applications, making it valuable for the measurement of soil carbon dioxide efflux upon absorption and direct measurement of dissolved carbon dioxide.
Used in Gas Masks:
Soda lime is used in the construction of gas masks, providing protection against toxic gases by absorbing carbon dioxide and other harmful substances.

Reactivity Profile

The reaction between hydrogen sulfide and soda lime is attended with incandescence in the presence of air. In oxygen there is an explosion. Mixtures of barium oxide with mercurous or nickel oxide also react vigorously with hydrogen sulfide in air. Explosions may result [Mellor 10:140 1946-47].

Health Hazard

TOXIC; inhalation, ingestion or skin contact with material may cause severe injury or death. Contact with molten substance may cause severe burns to skin and eyes. Avoid any skin contact. Effects of contact or inhalation may be delayed. Fire may produce irritating, corrosive and/or toxic gases. Runoff from fire control or dilution water may be corrosive and/or toxic and cause pollution.

Fire Hazard

Non-combustible, substance itself does not burn but may decompose upon heating to produce corrosive and/or toxic fumes. Some are oxidizers and may ignite combustibles (wood, paper, oil, clothing, etc.). Contact with metals may evolve flammable hydrogen gas. Containers may explode when heated.

Safety Profile

A corrosive irritant to skin, eyes, and mucous membranes. See also SODIUM HYDROXIDE and CALCIUM OXIDE