Sodium nitrite

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Description

White to pale yellow Hygroscopic crystals. Sodium nitrite is used in dyeing textiles with developed dyes. It is also used as a Fixative for color photographs. In a closed environment, a saturated solution of sodium nitrite will form an equilibrium at a relative humidity of about 65% (20C).

Synonyms and Related Terms

nitrous acid sodium salt; erinitrit; nitrite

Risks

  • Carcinogenic in test animals.
  • Strong oxidizing agent.
  • Fire risk in contact with oxidizing materials.
  • Used as an antidote for cyanide poisoning.
  • Fisher Scientific: MSDS

Physical and Chemical Properties

Composition NaNO2
CAS 7632-00-0
Melting Point 271 C
Density 2.157 g/ml
Molecular Weight mol. wt. = 69.0

Resources and Citations

  • Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
  • Matt Roberts, Don Etherington, Bookbinding and the Conservation of Books: a Dictionary of Descriptive Terminology, U.S. Government Printing Office, Washington DC, 1982
  • Van Nostrand's Scientific Encyclopedia, Douglas M. Considine (ed.), Van Nostrand Reinhold, New York, 1976
  • Random House, Webster's Encyclopedic Unabridged Dictionary of the English Language, Grammercy Book, New York, 1997
  • The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 8793