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Ammonium iodide(12027-06-4)

Ammonium iodide(12027-06-4)
Product IdentificationBack to Contents
【Product Name】

Ammonium iodide
【Synonyms】

Azanium iodide
【CAS】

12027-06-4
【Formula】

H4IN
【Molecular Weight】

144.94
【EINECS】

234-717-7
【Merck】

13,531
【Beilstein/Gmelin】

12984 (G)
Physical and Chemical PropertiesBack to Contents
【Appearance】

Odorless white solid. Turns yellow-brown on exposure to light and air.
【Solubility in water】

1670 g/L
【Melting Point】

551
【Vapor Pressure】

0.003 (112 C)
【Density】

2.51 g/cm3
【Usage】

In photographic chemicals.
First Aid MeasuresBack to Contents
【Ingestion】

If significant amount has been ingested, get medical attention.
【Inhalation】

Remove to fresh air.
【Skin】

Remove contaminated clothing. Wash exposed area with soap and water. If symptoms persist, seek medical attention. Launder clothing before reuse.
【Eyes】

Flush with water.
Handling and StorageBack to Contents
【Storage】

Keep tightly closed and protected from light.
【Handling】

All chemicals should be considered hazardous. Avoid direct physical contact. Use appropriate, approved safety equipment. Untrained individuals should not handle this chemical or its container. Handling should occur in a chemical fume hood.
Hazards IdentificationBack to Contents
【Inhalation】

Inhalation causes irritation of nose and throat. Contact with eyes causes irritation.
【Skin】

Chronic oral administration can produce various skin reactions, including erythema nodosum, polymorphic eruptions, urticaria, vasculitis, and petechia.
【Eyes】

A metallic taste, increased salivary and bronchial secretions may be noted.
【Ingestion】

Acute ingestion of iodide salts does not result in corrosive actions on the gastrointestinal tract. Vomiting and abdominal pain may be noted but are not as common as with acute iodine ingestion.
【Hazards】

Toxic and irritating fumes of hydrogen iodide, iodine, and oxides of nitrogen may form in fire. Behavior in Fire: Compound may sublime in fire and condense on cold surfaces.
【EC Risk Phrase】

R 36/37/38
【EC Safety Phrase】

S 26 36
Exposure Controls/Personal ProtectionBack to Contents
【Personal Protection】

Dust mask; goggles or face shield; rubber gloves.
【Respirators】

Use NIOSH/MSA approved dust mask for ordinary use. SCBA for emergency use.
【Exposure Effects】

Cretinism and goiter have been reported in children whose mothers were taking iodides.
【Poison Class】

3
Fire Fighting MeasuresBack to Contents
【Flash Point】

405
【Fire Fighting】

Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Use agent most appropriate to extinguish fire.
Accidental Release MeasuresBack to Contents
【Small spills/leaks】

Wear full protective equipment. Cover with dry sand or vermiculite. Mix well and carefully transfer to a container for subsequent disposal.
Stability and ReactivityBack to Contents
【Stability】

Becomes yellow to brown on exposure to air and light except in presence of stabilizer, such as ammonium hypophosphite, aqueous solution will quickly become yellow.
【Incompatibilities】

Strong oxidizing agents.
【Decomposition】

When heated to decomposition, emits very toxic fumes of hydrogen iodide, ammonia and nitrogen oxides.
【Combustion Products】

Toxic and irritating fumes of hydrogen iodide, iodine, and oxides of nitrogen may form in fire.
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