Sodium aluminum fluosilicate

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Description

White powder. Sodium aluminum fluosilicate was used as an Insecticide and mothproofing agent in the 1930s for the treatment of large incoming collections (Goldberg 1996). It was sold under the brand name Larvex. Sodium aluminum fluosilicate has also been used as a buffer in dyebaths.

Synonyms and Related Terms

sodium aluminum silicofluoride; sodium aluminum fluorosilicate; Larvex

Other Properties

Slightly soluble in water. Highly corrosive to galvanized iron.

Composition Na5Al(SiF6)4
CAS 53404-77-6

Hazards and Safety

Highly corrosive to galvanized iron. Skin contact can cause irritation and burns.

Additional Information

º L. Goldberg, A History Of Pest Control Measures In The Anthropology Collections, National Museum Of Natural History, Smithsonian Institution, JAIC (35):23-43, 1996

Sources Checked for Data in Record

  • Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993

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