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CAS 7681-65-4

CAS 7681-65-4 matches 0 EU annex records across Annex II–VI of Regulation 1223/2009.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 7681-65-4
CAS 7681-65-4PubChem CID 6432705

Cuprous iodide

Copper(I) iodide is an iodide of copper that occurs naturally as the rare mineral marshite. It is also used in organic synthesis, cloud seeding, to stabilize heat in nylon, and as a source of dietary iodine in table salt and animal feed. Copper is a chemical element with the symbol Cu and atomic number 29. Copper is an essential elements in plants and animals as it is required for the normal functioning of more than 30 enzymes. It occurs naturally throughout the environment in rocks, soil, water, and air. (L277, L278, L293) — Toxin and Toxin Target Database (T3DB)

IUPAC name
copper(1+) iodide
Molecular formula
CuI
Molecular weight
190.45 g/mol
Exact mass
189.83407 Da
Topological polar surface area
0.0 Ų
Hydrogen-bond donors
0
Hydrogen-bond acceptors
1
Covalent units
2
Defined stereocentres
0

Also known as

Hydro-GieneMarshiteCopper monoiodideCopper iodide (cui)Natural marshite7DE9CA6IL2231-674-6Cuprum Iodatum
15 more reported names
RefChem:58181Copper (I) iodideCopper(I) iodideiodocopperCopper(l)iodidesmall es, Cyrillicopper monoiodideCopper(l) iodideSCHEMBL2387CUPROUS IODIDE [MI]Copper iodide (9CI, ACI)Cuprous iodide,1335-23-5COPPER(I) IODIDE [HSDB]Tox21_300719CAS-7681-65-4C2163
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External database identifiers

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Records for CAS 7681-65-4

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How CAS 7681-65-4 is used on this site

CAS 7681-65-4 is the Chemical Abstracts Service identifier used to pin this page to a specific substance. In the current dataset, 0 EU annex records share this identifier, which helps you cross-check whether the same substance appears under one regulatory context or several.

Use this page when a supplier specification, SDS or raw-material dossier gives you CAS 7681-65-4 and you need to see every linked Annex II–VI record in one place. The entry cards above are the quickest route to concentration limits, warnings, annex placement and product-type conditions.