Copper(I) iodide

Independent reference data for Copper(I) iodide (CAS 7681-65-4), compiled from public chemistry databases.

Registry identifiers across databases

Computed descriptors

Physicochemical values on record

Documented uses on record

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]Petroleum Production and Refining [Category: Industry]

Synonyms and trade names

Copper(1+) iodide; Hydro-Giene; Marshite; Copper monoiodide; Copper iodide (cui); DTXSID5041803; Natural marshite; 7DE9CA6IL2; DTXCID3021803; 231-674-6; Cuprum Iodatum; RefChem:58181; 7681-65-4; Copper (I) iodide; Copper(I) iodide; Cuprous iodide

Regulatory listings held on file

Regulatory & Food Contact	FDA Substance added to food: Use unspecified FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS

What the public record says

Copper(I) iodide is identified by CAS 7681-65-4, molecular formula CuI and molecular weight 189.83 g/mol. UNII 7DE9CA6IL2; InChIKey LSXDOTMGLUJQCM-UHFFFAOYSA-M. Boiling Point: About 1290 °C; Melting Point: 606 °C; Solubility: 0.008 g/100 cc water @ 18 °C.

Physical description and handling notes

Source: PubChem / Wikidata; the batch COA governs where values differ.