Sodium aluminate

Synonyms

Aluminate (AlO21-), sodium; Aluminum sodium oxide (Al2Na2O4); Sodium aluminum dioxide; Sodium aluminum oxide (NaAlO2); Sodium metaaluminate; Sodium metaaluminate (NaAlO2); Aluminium sodium dioxide; [ChemIDplus] UN 2812; UN 1819 (solution)

Category

Metals, Inorganic Compounds

Description

White solid; [Merck Index] Hygroscopic; [ICSC] White crystalline solid, soluble in water; [Hawley]

Sources/Uses

Used for printing on fabrics (mordant), making foundry molds (binder), to soften and purify water, to harden building stones, to process acrylic and polyester fibers, to remove carbonyl sulfide from gas streams, and to improve sizing and filler retention in the paper industry; Also used to make soap, lake colors, milk-glass, cleansing compounds, alumina-based catalysts, and zeolites; [HSDB]

Comments

Solution is alkaline and a strong tissue irritant; [Hawley] A corrosive substance that can cause injury to the skin, eyes, and respiratory tract; [ICSC] Can cause eye injury; [HSDB] Corrosive to tissue; [CAMEO] A skin and eye irritant; [eChemPortal: ERMA] A corrosive substance that can cause injury to the skin, eyes, and respiratory tract; [MSDSonline] Sodium aluminate solution has CAS # 11138-49-1; See "Aluminum."

Biomedical References

Skin burns

Processes

Industrial Processes with risk of exposure:

• Glass Manufacturing
• Molding and Core Making
• Pulp and Paper Processing
• Textiles (Printing, Dyeing, or Finishing)