Calcium iodide, anhydrous (metals basis)
Calciumiodideanhydrous
CAS: 10102-68-8
Molecular Formula: CaI2
Calcium iodide, anhydrous (metals basis) - Names and Identifiers
| Name | Calciumiodideanhydrous |
| Synonyms | CALCIUM IODIDE calcium diiodide CALCIUM (II) IODIDE Calciumiodideanhydrous crystal calcium iodide Calcium iodide tetrahydrate Calcium iodide, anhydrous (metals basis) |
| CAS | 10102-68-8 |
| EINECS | 233-276-8 |
| InChI | InChI=1/Ca.2HI/h;2*1H/q+2;;/p-2 |
Calcium iodide, anhydrous (metals basis) - Physico-chemical Properties
| Molecular Formula | CaI2 |
| Molar Mass | 293.89 |
| Density | 3.956 |
| Melting Point | 779 °C (lit.) |
| Boling Point | 1100°C |
| Flash Point | 1100°C |
| Water Solubility | Soluble in water, methanol, ethanol and acetone. Insoluble in ether. |
| Appearance | White solid or powder |
| Specific Gravity | 3.956 |
| Color | White to pale yellow |
| Merck | 14,1677 |
| Storage Condition | Room Temprature |
| Stability | Stable, but may be light, air or moisture sensitive. Keep dry. Incompatible with strong acids, strong oxidizing agents. |
| Sensitive | Hygroscopic |
| MDL | MFCD00010910 |
| Physical and Chemical Properties | Colorless or yellow-white powder, easy deliquescence, exposure to air release I2 and absorption of carbon dioxide into yellow. The relative density was 4.0. Melting point 779 °c. Boiling point of 1100 ° C, very soluble in water, methanol, ethanol, propanol; Insoluble in ether. Heat of fusion 4 1.80 Kj/mol. |
| Use | Mainly used as medicine, is a substitute for potassium iodide, also used as a photosensitive emulsion, hydrogen iodide desiccant, used for the preparation of fire extinguishing agent |
Calcium iodide, anhydrous (metals basis) - Risk and Safety
| Risk Codes | 61 - May cause harm to the unborn child |
| Safety Description | S22 - Do not breathe dust. S24/25 - Avoid contact with skin and eyes. |
| WGK Germany | 3 |
| TSCA | Yes |
Calcium iodide, anhydrous (metals basis) - Upstream Downstream Industry
| Raw Materials | Iodine |
Calcium iodide, anhydrous (metals basis) - Reference
| Reference Show more | 1. [IF=6.057] Chengyi Xie et al."Effective separation of carbohydrate isomers using metal cation and halogen anion complexes in trapped ion mobility spectrometry."Talanta. 2021 Apr;225:121903 |
Calcium iodide, anhydrous (metals basis) - Nature
Open Data Verified Data
colorless or light yellow hexagonal crystal or powder, bitter taste. Melting point 740 °c I Boiling point 1100 °c. It has deliquescence. Absorption of carbon dioxide in the air, the decomposition of free iodine and yellow. Soluble in water, aqueous solution is neutral, soluble in methanol, ether, acetone, soluble in acid that is decomposed, free iodine or hydroiodic acid.
Last Update：2024-01-02 23:10:35
Calcium iodide, anhydrous (metals basis) - Preparation Method
Open Data Verified Data
Iodine reacts with iron filings to generate ferrous iodide, and then interacts with calcium hydroxide to generate calcium iodide, which is obtained by separation, filtration, concentration, decolorization and evaporation and crystallization. Alternatively, hydrogen iodide is obtained by the action of hydrogen sulfide and iodine, and hydrogen iodide is reacted with calcium hydroxide or calcium carbonate to obtain a calcium iodide solution. The solution may be concentrated by heating and cooled to crystallize.
Last Update：2022-01-01 09:04:42
Calcium iodide, anhydrous (metals basis) - Use
Open Data Verified Data
It is used as a substitute for potassium iodide in the field of medicine, and can also be used as a photographic emulsifier, a fire extinguishing agent, a desiccant for hydrogen iodide, and an analytical reagent.
Last Update：2022-01-01 09:04:42
Calcium iodide, anhydrous (metals basis) - Safety
Open Data Verified Data
packaged in black-brown ground glass vials, the vials were sealed with wax, with a net content of 0.5kg per vial. The wooden box shall be packed with inner lining material for transportation, and 10 bottles shall be packed in each box. Should be packed in a dark room or in red light. Should be stored in a cool, dark, dry warehouse. The packaging must be sealed and protected from moisture. It is not allowed to be stored and mixed with toxic substances and flammable substances, and shall be protected from rain and sunlight during transportation. Handling should be light and light unloading, vibration, impact is strictly prohibited, to prevent the packaging bottle broken. In the event of a fire, it can be remedied with water, sand and various types of fire retardants. Toxicity and protection see iodine.
Last Update：2022-01-01 09:04:43
Calcium iodide, anhydrous (metals basis) - Reference Information
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| introduction | calcium iodide is colorless or yellow-white powder, easy to deliquesce, exposed to air to release I and absorb carbon dioxide to turn yellow. Boiling point is 1100 ℃, easily soluble in water, methanol, ethanol, propanol; Insoluble in ether. |
| Structure | Anhydrous calcium iodide is a solid with a high melting point and a hexagonal cadmium iodide structure. In the gaseous state, it exists in the form of linear molecules. |
| properties | calcium iodide hexahydrate is a colorless to yellow-white, bitter and deliquescent crystal or powder, easily soluble in water, slightly soluble in ethanol and acetone, The aqueous solution is neutral. In case of acid, it decomposes to free iodine or produces hydroiodic acid. Hexahydrate and ammonium iodide are heated and dehydrated in a stream of hydrogen iodide or dry nitrogen to obtain anhydrous. Calcium iodide will slowly react with oxygen and carbon dioxide in the air to form elemental iodine, which will deepen its color. |
| application | calcium iodide is a substitute for potassium iodide in medicine. In addition, it is also used as a photosensitive emulsion for photographic film and a desiccant for hydrogen iodide. Used in the fire industry to prepare fire extinguishing agents. |
| solubility in water (g/100ml) | dissolution grams per 100ml of water at different temperatures (℃): 64.6g/0 ℃;66g/20 ℃;67.6g/30 ℃;70.8g/40 ℃ 74g/60 ℃;78g/80 ℃;81g/100 ℃ |
| toxicity | see iodine. |
| use | used to make cough medicine. used in the photography industry mainly used in medicine, it is a substitute for potassium iodide, also used as a photosensitive emulsion, a desiccant for hydrogen iodide, etc. mainly used in medicine, It is a substitute for potassium iodide, also used as a photosensitive emulsion, a desiccant for hydrogen iodide, etc. Mainly used in medicine, as a substitute for potassium iodide; photography is used as a photosensitive emulsion; it can also be used as a desiccant and analytical reagent for making mineral water, fire extinguishing agent, hydrogen iodide. |
| production method | heating dehydration method: the hexahydrate crystalline calcium iodide is heated and dehydrated in a dry nitrogen stream, and the anhydrous calcium iodide is prepared by rapid cooling and crushing. Its Cal2 · 6H2O[△]→ Cal2 6H2O |
Last Update：2024-04-10 22:29:15
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Raw Materials for Calcium iodide, anhydrous (metals basis)