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HomeProduct name listSoda lime

Soda lime

  • CAS NO.:8006-28-8
  • Empirical Formula: CaHNaO2
  • Molecular Weight: 96.07
  • MDL number: MFCD00134094
  • EINECS: 679-313-5
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2023-04-23 13:52:06
Soda lime Structural

What is Soda lime?

Chemical properties

Soda lime is a white to grayish-white colored crystalline solid, which is a mixture of Calcium oxide and Sodium or Potassium hydroxide (both corrosive substances). Soda lime is noncombustible and miscible in water with a release of heat, i.e., an exothermic reaction takes place. It is corrosive to both tissue and metals. Soda lime is one of the most popular absorbent materials used for eliminating carbon dioxide (CO) from contaminated air.

The Uses of Soda lime

Soda lime's ability is to absorb carbon dioxide, makes it valuable in medical and surgical procedures. It is also used as a powerful drying agent, or desiccant, in commercial and industrial usage. It is also useful for the construction of gas masks. It plays an essential role for the measurement of soil carbon dioxide efflux upon absorption. It is also useful for direct measurement of dissolved carbon dioxide.

The Uses of Soda lime

To absorb carbon dioxide in basal metabolism tests, in rebreathing anesthesia systems, in submarines, and in carbon determinations.

What are the applications of Application

Soda lime is a mixture of calcium sodium and potassium hydroxide salts

Definition

A gray solid produced by adding sodium hydroxide solution to calcium oxide, to give a mixture of Ca(OH)2 and NaOH. It is used in the laboratory as a drying agent and as an absorbent for dioxide.

Definition

soda lime: A mixed hydroxide ofsodium and calcium made by slakinglime with caustic soda solution (togive NaOH + Ca(OH)2) and recoveringgreyish white granules by evaporation.The material is produced largelyfor industrial adsorption of carbondioxide and water, but also findssome applications in pollution andeffluent control. It is also used as alaboratory drying agent.

brand name

Sodasorb (Grace).

General Description

Soda lime, solid is generally a white to grayish white colored solid. SODA LIME is the mixture of calcium hydroxide and sodium or potassium hydroxide, both corrosive materials. SODA LIME is noncombustible and soluble in water with release of heat. SODA LIME is corrosive to metals and tissue.

Air & Water Reactions

Soluble in water with release of heat.

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].

Hazard

Toxic by ingestion and inhalation, strong irritant to tissue.

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

Properties of Soda lime

storage temp.  no restrictions.
form  pellets
color  White
Water Solubility  Soluble in water.
Sensitive  Air & Moisture Sensitive
Merck  14,8569
Exposure limits ACGIH: TWA 5 mg/m3
OSHA: TWA 15 mg/m3; TWA 5 mg/m3
NIOSH: TWA 5 mg/m3
Stability: Stable. Incompatible with acids, water, fluorine, chloroform, trichloroethylene.
EPA Substance Registry System Sodium hydroxide (Na(OH)), mixt. with lime (8006-28-8)

Safety information for Soda lime

Signal word Danger
Pictogram(s)
ghs
Corrosion
Corrosives
GHS05
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H290:Corrosive to Metals
H314:Skin corrosion/irritation
H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes P234:Keep only in original container.
P260:Do not breathe dust/fume/gas/mist/vapours/spray.
P271:Use only outdoors or in a well-ventilated area.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Computed Descriptors for Soda lime

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