Material Name: soda ash
Description
A white to gray powder of sodium carbonate. Soda ash naturally occurs as trona in mineral water deposits. Impurities may include sodium chloride, sodium sulfate, sodium bicarbonate, calcium carbonate, and magnesium carbonate. Soda ash is made synthetically by the Solvay process. Soda ash is used primarily in the manufacture of glass and paper pulp. It is also used in soaps, water softeners, and textile processing.

Synonyms and Related Terms
anhydrous sodium carbonate; calcined soda; Solvay soda; trona

CompositionNa2CO3
CAS497-19-8
Melting Point851
Molecular Weightmol. wt. = 105.99
Density2.53

Other Properties
Soluble in water, glycerol. Insoluble in ethanol. Aqueous solution has a pH = 11.6.

Hazards and Safety
Noncombustible. Corrosive to skin and eyes.

Mallinckrodt Baker: MSDS

Last updated on: 1/20/2009 11:57:06 AM


© 2013 Museum of Fine Arts, Boston