ZnI2
Zinc iodide
CAS: 10139-47-6
Molecular Formula: I2Zn
ZnI2 - Names and Identifiers
| Name | Zinc iodide |
| Synonyms | ZnI2 NSC 39113 Diiodozinc ZINC IODIDE Zinc iodine Zinc iodide Zinc diiodide ZINC IODIDE PURE zinciodide(zni2) Zinc iodide (ZnI2) |
| CAS | 10139-47-6 |
| EINECS | 233-396-0 |
| InChI | InChI=1/2HI.Zn/h2*1H;/q;;+2/p-2 |
ZnI2 - Physico-chemical Properties
| Molecular Formula | I2Zn |
| Molar Mass | 319.2 |
| Density | 4.74 g/mL at 25 °C (lit.) |
| Melting Point | 445 °C (lit.) |
| Boling Point | 624°C |
| Flash Point | 625°C |
| Water Solubility | 333 g/100 mL |
| Solubility | 4500g/l |
| Appearance | White powder or granule |
| Specific Gravity | 4.74 |
| Color | White to pale yellow |
| Exposure Limit | ACGIH: TWA 0.01 ppm |
| Merck | 14,10140 |
| PH | 5.6 (50g/l, H2O, 20℃) |
| Storage Condition | Store at +5°C to +30°C. |
| Sensitive | Hygroscopic |
| MDL | MFCD00011299 |
| Physical and Chemical Properties | Melting Point: 446 density: 4.74 |
| Use | It is used as a local antiseptic disinfectant and astringent in medical treatment, and can be used as a reagent for analyzing nitrite, free chlorine and other oxidants. |
ZnI2 - Risk and Safety
| Hazard Symbols | C - Corrosive |
| Risk Codes | 34 - Causes burns |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) |
| UN IDs | UN 3260 8/PG 3 |
| WGK Germany | 3 |
| FLUKA BRAND F CODES | 3-8-23 |
| TSCA | Yes |
| HS Code | 28276000 |
| Hazard Class | 8 |
| Packing Group | II |
ZnI2 - Upstream Downstream Industry
ZnI2 - Introduction
Easy deliquescence. When exposed to the air or when light precipitates iodine and turns brown, it is soluble in ethanol, ether and lye, and slightly soluble in glycerin. Easily soluble in water, 1g dissolved in 0.3ml of water, aqueous solution PH ~ 5.
Last Update：2022-10-16 17:11:30
ZnI2 - Reference Information
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| medical preservatives and analytical reagents | zinc iodide is white or nearly white granular powder in appearance, which gradually turns brown and deliquescent due to the release of iodine in the air. Melting point 446 ℃, boiling point about 624 ℃ (and decomposition), relative density 4.736(25 ℃). Soluble in water, ethanol, ether, ammonia, sodium hydroxide and ammonium carbonate solutions. The aqueous solution is acidic to litmus, and the pH is about 5. It should be moisture-proof and kept in a closed light-proof container. Reagents for the analysis of nitrite, free chlorine and other oxidants, used in photography, medicine as preservatives and local astringents. Preparation method: It is obtained by the interaction of zinc sulfate solution and barium iodide solution, filtering out barium sulfate precipitation, evaporating the filtrate to crystallize it, or directly combining zinc and iodine. (2016-01-13) |
| solubility in water (g/100ml) | dissolution grams per 100ml of water at different temperatures (℃): 430g/0 ℃;432g/20 ℃;445g/40 ℃ 467g/60 ℃;490g/80 ℃;510g/100 ℃ |
| use | medically used as a local antiseptic disinfectant, astringent, and can be used as a reagent for analyzing nitrite, free chlorine and other oxidants white or nearly white fine particles or powder. Easy deliquescence. When exposed to the air or light, iodine is precipitated and turns brown. It is soluble in ethanol and ether, and slightly soluble in glycerin. Aqueous solution PH ~ 5,mp446 ℃. Used as iodine starch reagent to determine nitrite. Used as a reagent for the analysis of free chlorine and other gasification agents. |
Last Update：2024-04-10 22:29:15
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Raw Materials for ZnI2