Copper(I) iodide

Synonyms

Copper iodide (CuI); Copper monoiodide; Copper(1+) iodide; Cuprous iodide; Hydro-Giene; Natural marshite; [ChemIDplus] UN3077

Category

Metals, Inorganic Compounds

Description

White to brownish-yellow solid; [Hawley] Insoluble in water; [Ullmann] White to light brown powder chunks with a weak odor; [Alfa Aesar MSDS]

Sources/Uses

Used in photography, light-sensitive papers, oil drilling (corrosion inhibitor), and to stabilize light and heat in polymers; Also used in cloud seeding and as a feed additive; Occurs in nature as marshite; [Ullmann] Used as a catalyst, ice-nucleating chemical, coating in cathode-ray tubes, temperature indicator (with mercuric iodide), nutritional supplement, bactericide, and oxidizing agent in lithium primary batteries; [HSDB]

Comments

A skin, eye, nose, and throat irritant; [HSDB] Acute copper poisoning after ingestion can cause liver injury, methemoglobinemia, and hemolytic anemia. Acute renal failure may result, secondary to massive hemoglobinuria. [Goldfrank, p. 1259] A skin and strong eye irritant; Harmful by ingestion; [Alfa Aesar MSDS] See "Copper." See "Iodine" for the TLV of Iodides.

Biomedical References

1 mg/m3, as Cu [0.01 ppm, inhalable fraction and vapor (iodides)]

1 mg/m3, as Cu

0.01 mg/m3, respirable fraction (Cu inorg. Cmpds.)

100 mg/m3, as Cu

Explanatory Notes

The Guide in the Emergency Response Guidebook is for "Environmentally hazardous substances, solid, n.o.s."

Hemolytic anemia

MetHgb is secondary toxic effect

Hepatoxic (a) from occupational exposure (secondary effect) or (b) in animal studies or in humans after ingestion

Yes

Processes

Industrial Processes with risk of exposure:

• Battery Manufacturing
• Farming (Feed Additives)
• Petroleum Production and Refining
• Photographic Processing
• Pulp and Paper Processing