Soda lime

Soda lime Basic information
Product Name:Soda lime
Synonyms:Soda lime ACS reagent, granular, +100 mesh particle size;Soda lime p.a., with indicator, pellets;Soda Lime, 4-8 Mesh, Reagent, Indicating, Reagent;SODA LIME, GRANULAR, WITH INDICATOR WHITE TO VIOLET;SODA LIME, INDICATING REAGENT (ACS) 4-8 MESH;SODIUM CALCIUM HYDRATE;SODIUM HYDROXIDE WITH LIME;SODA AND LIME
CAS:8006-28-8
MF:CaHNaO2
MW:96.07
EINECS:679-313-5
Product Categories:ACS GradeChemical Synthesis;Essential Chemicals;Inorganic Bases;Routine Reagents;Synthetic Reagents;Analytical Reagents for General Use;Puriss p.a.;Q-S, Puriss p.a.
Mol File:8006-28-8.mol
Soda lime Structure
Soda lime Chemical Properties
storage temp. no restrictions.
form pellets
color White
Water Solubility Soluble in water.
Sensitive Air & Moisture Sensitive
Merck 14,8569
Exposure limitsACGIH: 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 SystemSodium hydroxide (Na(OH)), mixt. with lime (8006-28-8)
Safety Information
Hazard Codes C
Risk Statements 34-35-37
Safety Statements 26-36/37/39-45
RIDADR UN 1907 8/PG 3
WGK Germany 1
TSCA Yes
HazardClass 8
PackingGroup III
HS Code 28259090
MSDS Information
ProviderLanguage
SigmaAldrich English
ALFA English
Soda lime Usage And Synthesis
Chemical PropertiesSoda 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.
UsesSoda 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.
UsesTo absorb carbon dioxide in basal metabolism tests, in rebreathing anesthesia systems, in submarines, and in carbon determinations.
DefinitionA 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.
Definitionsoda 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 nameSodasorb (Grace).
General DescriptionSoda 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 ReactionsSoluble in water with release of heat.
Reactivity ProfileThe 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].
HazardToxic by ingestion and inhalation, strong irritant to tissue.
Health HazardTOXIC; 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 HazardNon-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 ProfileA corrosive irritant to skin, eyes, and mucous membranes. See also SODIUM HYDROXIDE and CALCIUM OXIDE
Soda lime Preparation Products And Raw materials
Raw materialsSodium hydroxide-->Calcium oxide
SODA-LIME SILICA (DURABILITY) SODA LIME SHEET (GLASS) SODA-LIME SILICA GLASS SODA LIME GLASS BALLS 4MM DIAMETER 1LB SODA LIME GRAN.ABOUT DIA 2,8-3,5 MM SODA LIME SODA LIME, FLAT SODA LIME GLASS BALLS 5MM DIAMETER 1LB SODA LIME SODA LIME, GRANULAR, +100 MESH*ACS REAGENT SODA-LIME CONTAINER SODA LIME GLASS BALLS 6MM DIAMETER 1LB Sodium hydroxide SODA LIME FLOAT (GLASS) SODA LIME GLASS BALLS 3MM DIAMETER 1LB SODA LIME WITH INDICATOR WHITE/VIOLET LOW-BORON, SODA-LIME POWDER SODA-LIME-SILICA (GLASS LIQUIDUS)

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