Tin(IV)iodide
Tin (IV) iodide
CAS: 7790-47-8
Molecular Formula: I4Sn
Tin(IV)iodide - Names and Identifiers
| Name | Tin (IV) iodide |
| Synonyms | TIN IODIDE Tin(IV)iodide Tin iv iodide Tintetraiodide TIN(IV) IODIDE Stannic iodide STANNIC IODIDE Tin (IV) iodide tin tetraiodide Tiniodideorangextl |
| CAS | 7790-47-8 |
| EINECS | 232-208-4 |
| InChI | InChI=1/4HI.Sn.2H/h4*1H;;;/p-4/r4HI.H2Sn/h4*1H;1H2/p-4 |
Tin(IV)iodide - Physico-chemical Properties
| Molecular Formula | I4Sn |
| Molar Mass | 626.33 |
| Density | 4.47g/mLat 25°C(lit.) |
| Melting Point | 144 °C |
| Boling Point | 364 °C |
| Flash Point | 340°C |
| Water Solubility | Soluble in alcohol, benzene, CS{2}, chloroform, and ether. Decomposes in water |
| Solubility | Soluble in alcohol, benzene, carbon disulfide, chloroform and ether. |
| Appearance | powder |
| Specific Gravity | 4.473 |
| Color | Red |
| Exposure Limit | ACGIH: TWA 2 mg/m3NIOSH: IDLH 100 mg/m3; TWA 2 mg/m3 |
| Merck | 14,8777 |
| Sensitive | 8: reacts rapidly with moisture, water, protic solvents |
| Refractive Index | 2.106 |
| Physical and Chemical Properties | Anhydrous tin tetraiodide is orange-red cubic crystal, when the product is not pure, its appearance is orange-red needle-like crystal, is a covalent compound, melting point 145.75 ℃, boiling point 364.5 ℃, 180 ° C has a larger vapor pressure, more easily hydrolyzed, soluble in acetone, benzene, chloroform, carbon tetrachloride, anhydrous ethanol, hot petroleum ether, hot glacial acetic acid and other organic solvents, it is less soluble in cold petroleum ether and cold glacial acetic acid. |
| Use | Used as analytical reagents, but also for organic synthesis |
Tin(IV)iodide - Risk and Safety
| Hazard Symbols | C - Corrosive |
| Risk Codes | R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. R34 - Causes burns R42/43 - May cause sensitization by inhalation and skin contact. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S28 - After contact with skin, wash immediately with plenty of soap-suds. 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 2 |
| WGK Germany | 3 |
| RTECS | XQ3675000 |
| FLUKA BRAND F CODES | 1-8-10-19 |
| TSCA | Yes |
| HS Code | 28276000 |
| Hazard Class | 8 |
| Packing Group | III |
| Toxicity | MLD in rats (mg/kg): 200 i.v. (Kolmer) |
Tin(IV)iodide - Reference Information
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| purpose | used as analytical reagent, also used in organic synthesis |
| production method | 1.12g of tin particles, 40g of iodine, and 75ml of carbon tetrachloride were added to a dry Kjeldahl Flask, and a reflux condenser tube was placed on the flask. The flask was heated slowly, and the reaction was continued until the heating was stopped after the start of the reaction. When the solution stopped boiling, the flask was heated again until the iodine completely disappeared, the color of the reaction liquid changed from purple to orange-red, and the vapor in the flask and the liquid dropped by the reflux condenser were no longer colored with iodine. The condenser tube was removed, and hot filtration was rapidly performed while hot to remove unreacted tin. The residue on the funnel was washed with 10ml of carbon tetrachloride. The filtrate and washings were combined, cooled with an ice-water bath, and the precipitated crystals were separated by filtration. The filtered mother liquor was concentrated by evaporation and then cooled, and the crystals were recovered. The total yield was 44g, and the yield was 90%. The product may be recrystallized from carbon tetrachloride. 2.16.3g of boron triiodide (11.9mmol) and 280g of tin oxide (300 mmol) were co-heated in a closed vacuum tube at-°c for 12h. Excess boron triiodide was removed under reduced pressure at 20 °c and 1.333PA. The product was sublimed at 200-220 ° C. Under the condition of 1.333Pa to obtain 7.49g of orange tin iodide crystal in a yield of 78.5%. |
| category | corrosive article |
| toxicity grade | high toxicity |
| Acute toxicity | intravenous-rat LDL0: 200 mg/kg |
| flammability hazard characteristics | The pore forming agent is flammable in case of H; Toxic hydrogen cyanide gas is emitted in case of cyanide; toxic iodide and tin-containing fumes from heat |
| storage and transportation characteristics | The warehouse is ventilated and dried at low temperature; It is stored separately from oxidant, cyanide, H pore forming agent and alkali. |
| extinguishing agent | Sand, carbon dioxide |
| Occupational Standard | TLV-TWA 2 mg (tin)/m3; PEL 2 mg (tin)/M3 |
Last Update：2024-04-10 22:29:15
