Lead (II) iodide
Lead(II) iodide
CAS: 10101-63-0
Molecular Formula: I2Pb
Lead (II) iodide - Names and Identifiers
| Name | Lead(II) iodide |
| Synonyms | LT-S9147 Leadiodide lead diiodide Lead(II)iodide LEAD(II) IODIDE Lead(II) iodide Lead (II) iodide Lead(II) diiodide LEADIODIDE,REAGENT Leadiodidecrystalline Lead iodide anhydrous Leadiodideyellowpowder diiodo-lambda~2~-plumbane lead(ii) iodide, ultra dry |
| CAS | 10101-63-0 |
| EINECS | 233-256-9 |
| InChI | InChI=1/2HI.Pb.4H/h2*1H;;;;;/q;;+2;;;;/p-2/r2HI.H4Pb/h2*1H;1H4/q;;+2/p-2 |
| InChIKey | RQQRAHKHDFPBMC-UHFFFAOYSA-L |
Lead (II) iodide - Physico-chemical Properties
| Molecular Formula | I2Pb |
| Molar Mass | 461.01 |
| Density | 6.16g/mLat 25°C(lit.) |
| Melting Point | 402°C(lit.) |
| Boling Point | 954°C(lit.) |
| Flash Point | 954°C |
| Water Solubility | Partially soluble in water. Freely soluble in sodium thiosulfate solution. Soluble in concentrated solutions of alkali iodides. Insoluble in alcohol and cold HCl.Soluble in concentrated solutions of a |
| Solubility | Soluble in concentrated solutions of alkali iodides and sodium thiosulfate. Insoluble in alcohol and cold hydrochloric acid. |
| Appearance | Yellow powder |
| Specific Gravity | 6.16 |
| Color | Yellow to orange |
| Exposure Limit | ACGIH: TWA 0.05 mg/m3; TWA 0.01 ppmNIOSH: IDLH 100 mg/m3; TWA 0.050 mg/m3 |
| Solubility Product Constant(Ksp) | pKsp: 8.01 |
| Maximum wavelength(λmax) | ['539nm(neat)(lit.)'] |
| Merck | 14,5411 |
| Storage Condition | Keep in dark place,Inert atmosphere,Room temperature |
| Stability | Stable. May discolour upon exposure to light. |
| Sensitive | Light Sensitive |
| MDL | MFCD00011163 |
| Physical and Chemical Properties | Lead iodide is a bright yellow heavy powder or hexagonal scale crystal, the molecular formula is PbI, no smell, high melting point and boiling point. At room temperature, a bright yellow odorless crystalline solid turned orange and red after heating. The solubility in water increases with increasing temperature. lead iodide is used as a precursor material for the fabrication of high-efficiency solar cells, and PbI2 can also be used as a high-energy photon detector for gamma rays and X-rays. Lead iodide has also been used as a pigment called yellow iodide, but has been eliminated due to toxicity and instability. |
| Use | For the pharmaceutical industry |
Lead (II) iodide - Risk and Safety
| Risk Codes | R61 - May cause harm to the unborn child R20/22 - Harmful by inhalation and if swallowed. R33 - Danger of cumulative effects R50/53 - Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R62 - Possible risk of impaired fertility |
| Safety Description | S53 - Avoid exposure - obtain special instructions before use. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S60 - This material and its container must be disposed of as hazardous waste. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. |
| UN IDs | UN 2291 6.1/PG 3 |
| WGK Germany | 3 |
| FLUKA BRAND F CODES | 8 |
| TSCA | Yes |
| HS Code | 28276000 |
| Hazard Class | 6.1 |
| Packing Group | III |
Lead (II) iodide - Introduction
Soluble in potassium iodide, sodium iodide and alkali solution, insoluble in water and alcohol, toxic.
Last Update：2022-10-16 17:11:28
Lead (II) iodide - Reference Information
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| solubility in water (g/100ml) | dissolution grams per 100ml of water at different temperatures (℃): 4.4 × 10-2/30 ℃;5.6 × 10-2/10 ℃;6.9 × 10-2/20 ℃;9 × 10-2/30 ℃;0.124g/40 ℃ 0.193g/60 ℃;0.294g/80 ℃;0.42g/100 ℃ |
| use | pharmaceutical industry, photography industry, bronze plating. used in pharmaceutical industry |
| production method | dissolving 260g of analytically pure potassium iodide in 600mL of water and heating. 300g of analytically pure lead acetate trihydrate is dissolved in 600mL of water, and the solution is slowly added to the hot solution of potassium iodide under stirring. After washing 8~10 times with water pouring method, the resulting precipitate was filtered with Brinell funnel. Then spread the precipitate on waterproof paper, dry it at 80~90 ℃, and then grind it into fine powder in a ventilated place. The yield is 365g, and the yield is close to 100%. The resulting lead iodide precipitate can be recrystallized in glacial acetic acid to form lead iodide crystals. |
| category | toxic substances |
| flammability hazard characteristics | non-combustible; hyperthermal decomposition; combustion releases toxic iodide smoke |
| storage and transportation characteristics | warehouse low temperature, ventilation, drying |
| fire extinguishing agent | water, carbon dioxide, dry powder, sand |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-10 22:29:15
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