Copper(I) iodide (CAS 7681-65-4) — formula CuI, molecular weight 189.83 g/mol.
| CAS Number | 7681-65-4 |
|---|---|
| Molecular Formula | CuI |
| Molecular Weight | 189.83 g/mol |
| Melting Point | 606 °C |
| Boiling Point | About 1290 °C |
| Applications | 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], Petroleum Production and Refining [Category: Industry], Battery Manufacturing [Category: Industry], Pulp and Paper Processing [Category: Industry], Photographic Processing [Category: Other], Farming (Feed Additives) [Category: Industry], For Copper(I) iodide (USEPA, OPP Pesticide Code: 108301) there are 0 labels match., SRP: Not registered for current use in the U.S., but approved pesticide uses may change periodically and so federal, state and local authorities must be consulted for currently approved uses., AS CATALYST IN ORG REACTIONS, AS ICE-NUCLEATING CHEMICAL, AS COATING IN CATHODE-RAY TUBES, AS SOURCE OF IODINE IN ANIMAL FEEDS, WITH MERCURIC IODIDE AS TEMP INDICATOR, NUTRIENT &, OR DIETARY SUPPLEMENT FOOD ADDITIVE, TRACE AMT ADDED TO ANIMAL FEEDS, Feed additive, in table salt as source of dietary iodine (up to 0.01%), catalyst, cloud seeding., For more Uses (Complete) data for COPPER(I) IODIDE (9 total), please visit the HSDB record page., Plastics -> Typical concentration range in plastic materials -> 0.5%, Copper(I) iodide is used in organic synthesis, cloud seeding, to stabilize heat in nylon, and as a source of dietary iodine in table salt and animal feed. (L293), Use Classification: Plastics -> Other stabilisers, Plastics -> Polymer Type -> PA, Industry Uses: Heat stabilizer, Ion exchange agent, Catalyst, Other, Methods of Manufacturing: Interaction of solutions of potassium iodide and copper sulfate., Manufactured pyrometallurgically by the reaction of hot copper with iodine vapor. Alternatively, copper(II) salt solutions are reacted with alkali iodides to precipitate copper(I) iodide., Formulations, Preparations: USEPA, OPP Pesticide Code 108301, Trade Names: None listed., AVAILABLE IN A PURIFIED GRADE AND A POWDER GRADE, Grades of purity: Anhydrous, 99+%, U.S. Production: 2023: 100, 000 - <250, 000 lb, 2022: 50, 2021: 250, 000 - <400, 2020: 250, U.S. Imports: (1984) 1.82X10+7 g, COPPER IODIDE, OTHER THAN CRUDE, (1986) 220 lb, Copper iodide, crude, General Manufacturing Information: Plastics Material and Resin Manufacturing, All Other Basic Organic Chemical Manufacturing, Plastics Product Manufacturing, Electrical Equipment, Appliance, and Component Manufacturing, Copper iodide (CuI): ACTIVE |
Documented applications: 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], Petroleum Production and Refining [Category: Industry], Battery Manufacturing [Category: Industry], Pulp and Paper Processing [Category: Industry], Photographic Processing [Category: Other], Farming (Feed Additives) [Category: Industry], For Copper(I) iodide (USEPA, OPP Pesticide Code: 108301) there are 0 labels match., SRP: Not registered for current use in the U.S., but approved pesticide uses may change periodically and so federal, state and local authorities must be consulted for currently approved uses., AS CATALYST IN ORG REACTIONS, AS ICE-NUCLEATING CHEMICAL, AS COATING IN CATHODE-RAY TUBES, AS SOURCE OF IODINE IN ANIMAL FEEDS, WITH MERCURIC IODIDE AS TEMP INDICATOR, NUTRIENT &, OR DIETARY SUPPLEMENT FOOD ADDITIVE, TRACE AMT ADDED TO ANIMAL FEEDS, Feed additive, in table salt as source of dietary iodine (up to 0.01%), catalyst, cloud seeding., For more Uses (Complete) data for COPPER(I) IODIDE (9 total), please visit the HSDB record page., Plastics -> Typical concentration range in plastic materials -> 0.5%, Copper(I) iodide is used in organic synthesis, cloud seeding, to stabilize heat in nylon, and as a source of dietary iodine in table salt and animal feed. (L293), Use Classification: Plastics -> Other stabilisers, Plastics -> Polymer Type -> PA, Industry Uses: Heat stabilizer, Ion exchange agent, Catalyst, Other, Methods of Manufacturing: Interaction of solutions of potassium iodide and copper sulfate., Manufactured pyrometallurgically by the reaction of hot copper with iodine vapor. Alternatively, copper(II) salt solutions are reacted with alkali iodides to precipitate copper(I) iodide., Formulations, Preparations: USEPA, OPP Pesticide Code 108301, Trade Names: None listed., AVAILABLE IN A PURIFIED GRADE AND A POWDER GRADE, Grades of purity: Anhydrous, 99+%, U.S. Production: 2023: 100, 000 - <250, 000 lb, 2022: 50, 2021: 250, 000 - <400, 2020: 250, U.S. Imports: (1984) 1.82X10+7 g, COPPER IODIDE, OTHER THAN CRUDE, (1986) 220 lb, Copper iodide, crude, General Manufacturing Information: Plastics Material and Resin Manufacturing, All Other Basic Organic Chemical Manufacturing, Plastics Product Manufacturing, Electrical Equipment, Appliance, and Component Manufacturing, Copper iodide (CuI): ACTIVE.
Copper(I) iodide is a chemical compound with CAS registry number 7681-65-4 and molecular formula CuI (molecular weight 189.83 g/mol).
CAS number: 7681-65-4
Its molecular formula CuI comprises 1 Cu, 1 I atoms.
Also known as: Copper(I) iodide · 碘化亚铜
The CAS registry number of Copper(I) iodide is 7681-65-4.
Molecular formula CuI, molecular weight 189.83 g/mol.
It is also registered under: Copper(I) iodide, 碘化亚铜.
Recorded applications: 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], Petroleum Production and Refining [Category: Industry], Battery Manufacturing [Category: Industry], Pulp and Paper Processing [Category: Industry], Photographic Processing [Category: Other], Farming (Feed Additives) [Category: Industry], For Copper(I) iodide (USEPA, OPP Pesticide Code: 108301) there are 0 labels match., SRP: Not registered for current use in the U.S., but approved pesticide uses may change periodically and so federal, state and local authorities must be consulted for currently approved uses., AS CATALYST IN ORG REACTIONS, AS ICE-NUCLEATING CHEMICAL, AS COATING IN CATHODE-RAY TUBES, AS SOURCE OF IODINE IN ANIMAL FEEDS, WITH MERCURIC IODIDE AS TEMP INDICATOR, NUTRIENT &, OR DIETARY SUPPLEMENT FOOD ADDITIVE, TRACE AMT ADDED TO ANIMAL FEEDS, Feed additive, in table salt as source of dietary iodine (up to 0.01%), catalyst, cloud seeding., For more Uses (Complete) data for COPPER(I) IODIDE (9 total), please visit the HSDB record page., Plastics -> Typical concentration range in plastic materials -> 0.5%, Copper(I) iodide is used in organic synthesis, cloud seeding, to stabilize heat in nylon, and as a source of dietary iodine in table salt and animal feed. (L293), Use Classification: Plastics -> Other stabilisers, Plastics -> Polymer Type -> PA, Industry Uses: Heat stabilizer, Ion exchange agent, Catalyst, Other, Methods of Manufacturing: Interaction of solutions of potassium iodide and copper sulfate., Manufactured pyrometallurgically by the reaction of hot copper with iodine vapor. Alternatively, copper(II) salt solutions are reacted with alkali iodides to precipitate copper(I) iodide., Formulations, Preparations: USEPA, OPP Pesticide Code 108301, Trade Names: None listed., AVAILABLE IN A PURIFIED GRADE AND A POWDER GRADE, Grades of purity: Anhydrous, 99+%, U.S. Production: 2023: 100, 000 - <250, 000 lb, 2022: 50, 2021: 250, 000 - <400, 2020: 250, U.S. Imports: (1984) 1.82X10+7 g, COPPER IODIDE, OTHER THAN CRUDE, (1986) 220 lb, Copper iodide, crude, General Manufacturing Information: Plastics Material and Resin Manufacturing, All Other Basic Organic Chemical Manufacturing, Plastics Product Manufacturing, Electrical Equipment, Appliance, and Component Manufacturing, Copper iodide (CuI): ACTIVE.
Independent reference data for Copper(I) iodide (CAS 7681-65-4), compiled from public chemistry databases.
| CAS Registry Number | 7681-65-4 |
|---|---|
| PubChem CID | 6432705 |
| Molecular formula | CuI |
| Molecular weight | 189.83 g/mol |
| IUPAC name | copper(1+) iodide |
| InChIKey | LSXDOTMGLUJQCM-UHFFFAOYSA-M |
| UNII (FDA) | 7DE9CA6IL2 |
| Molecular Weight | 190.45 |
|---|---|
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 1 |
| Rotatable Bond Count | 0 |
| Exact Mass | 189.83407 |
| Monoisotopic Mass | 189.83407 |
| Topological Polar Surface Area | 0 |
| Heavy Atom Count | 2 |
| Boiling Point | About 1290 °C |
|---|---|
| Melting Point | 606 °C |
| Solubility | 0.008 g/100 cc water @ 18 °C |
| Density | 5.67 |
| Vapor Pressure | 10 MM HG @ 656 °C |
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 & Food Contact | FDA Substance added to food: Use unspecified FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS |
|---|
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.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 碘化亚铜