Sodium iodide
Agent Name
Sodium iodide
CAS Number
7681-82-5
Formula
I-Na
Major Category
Other Classes
Synonyms
Iodure de sodium; Ioduril; Jodid sodny [Czech]; Natrii iodidum; Natriumjodid [German]; Sodium monoiodide; Soiodin; [ChemIDplus]
Category
Halogens, Inorganic Compounds
Description
White odorless deliquescent solid; Turned brown by air; [Merck Index] Colorless to white hygroscopic solid; [ICSC] White odorless crystalline powder; [MSDSonline]
Sources/Uses
Used in small amounts for wet extraction of silver; Also used in iodized salt and for various applications in human and veterinary medicine; [HSDB] Used in photography, cloud seeding, and as a solvent for iodine; [Hawley]
Comments
A skin, eye, and respiratory tract irritant; "If ingested: the substance may have effects on the thyroid and may cause systemic sensitization. Symptoms of systemic sensitization may include airway obstruction and various skin reactions or even anaphylactic shock. Exposure during pregnancy may affect the thyroid function of the newborn." [ICSC] An irritant; [MSDSonline] See "Iodine" for the TLV of Iodides.
Biomedical References
Exposure Assessment
TLV (ACGIH)
0.01 ppm, inhalable fraction and vapor (iodides)
Diseases, Processes, and Activities Linked to This Agent
Processes
Industrial Processes with risk of exposure: