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]

Exposure Assessment
TLV (ACGIH)

0.01 ppm, inhalable fraction and vapor (iodides)

Links to Other NLM Databases
Health Studies

Human Health Effects from Hazardous Substances Data Bank:

Toxicity Information

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Chemical Information

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Related Information in HazMap
Processes

Industrial Processes with risk of exposure: