Calcium magnesium oxide

Synonyms

Dolomitic lime; [ChemIDplus] CALCE DOLOMITICA IN ZOLLE; CALCE DOLOMITICA VIVA; Calce viva, calce in zolle; Dolime, Dolomitic lime; DOLOMITE CALCINATA; OSSIDO DI CALCIO E MAGNESIO; [IUCLID] DOLOMITIC QUICKLIME; Mag lime; Dolime; Fluxing Lime; Kemidol Oxide; Kemidol Oxide Fines; [Graymont MSDS]

Category

Metals, Inorganic Compounds

Description

White crystals with a mild earthy odor; [Graymont MSDS]

Sources/Uses

Used for extraction, refining, and processing of metals; as a construction materials additive, fertilizer, and pH regulator; [IUCLID] Used for neutralization, flocculation, flux and slag conditioning (steelmaking), and absorption; [Graymont MSDS]

Comments

Reacts with water producing heat and high alkalinity; [IUCLID] May contain up to 1% crystalline silica (CAS# 14808-60-7); Absorbs moisture and carbon dioxide from air forming calcium magnesium hydroxide oxide and calcium magnesium carbonate oxide; Reacts with water producing calcium magnesium hydroxide oxide and calcium magnesium hydroxide and sufficient heat to ignite surrounding combustible materials; Causes severe irritation or burns; Inhalation of dust may cause corrosive injuries to upper respiratory tract; [Graymont MSDS]

Biomedical References

Skin burns

Processes

Industrial Processes with risk of exposure:

• Metal Extraction and Refining
• Steel Producing