Leadacetateaceticacidwhitetolightbrownxtl
Lead(IV) acetate
CAS: 546-67-8
Molecular Formula: C8H12O8Pb-2
Leadacetateaceticacidwhitetolightbrownxtl - Names and Identifiers
| Name | Lead(IV) acetate |
| Synonyms | LTA Monolead(II) tetraacetate Lead(IV) acetate LEAD TETRACETATE Lead (II) acetate Lead tetraacetate Aceticacid,lead(4+)salt aceticacid,lead(4++)salt Acetic acid, lead(4+) salt Lead(Ⅳ) Acetate 〔Lead(Ⅳ) Tetraacetate〕 Leadacetateaceticacidwhitetolightbrownxtl |
| CAS | 546-67-8 |
| EINECS | 208-908-0 |
| InChI | InChI=1/4C2H4O2.Pb/c4*1-2(3)4;/h4*1H3,(H,3,4);/q;;;;+2/p-4 |
| InChIKey | JEHCHYAKAXDFKV-UHFFFAOYSA-J |
Leadacetateaceticacidwhitetolightbrownxtl - Physico-chemical Properties
| Molecular Formula | C8H12O8Pb-2 |
| Molar Mass | 443.38 |
| Density | 2,28 g/cm3 |
| Melting Point | 175-180 °C |
| Boling Point | 118.1°C |
| Flash Point | 40°C |
| Water Solubility | Decomposition |
| Vapor Presure | 13.9mmHg at 25°C |
| Appearance | Crystalline Powder |
| Specific Gravity | 2.28 |
| Color | White to light orange-pink |
| Exposure Limit | NIOSH: IDLH 100 mg/m3; TWA 0.050 mg/m3 |
| Merck | 14,5423 |
| BRN | 3595640 |
| Storage Condition | Inert atmosphere,2-8°C |
| Stability | Stable. Moisture sensitive. Incompatible with water, most metals. |
| Sensitive | 7: reacts slowly with moisture/water |
Leadacetateaceticacidwhitetolightbrownxtl - Risk and Safety
| Risk Codes | R61 - May cause harm to the unborn child R8 - Contact with combustible material may cause fire R20/22 - Harmful by inhalation and if swallowed. R33 - Danger of cumulative effects R35 - Causes severe burns 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. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S17 - Keep away from combustible material. |
| UN IDs | UN 2923 8/PG 2 |
| WGK Germany | 3 |
| RTECS | AI5300000 |
| FLUKA BRAND F CODES | 10-21 |
| TSCA | Yes |
| HS Code | 29152900 |
| Hazard Class | 6.1 |
| Packing Group | III |
Leadacetateaceticacidwhitetolightbrownxtl - Reference Information
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| Use | Successfully induce the addition of difluorodiiodomethane to alkenes and alkynes. Selective oxidants in organic synthesis. |
| production method | preparation method: place 1080 g of glacial acetic acid and 360 g of acetic anhydride in a 2 L round bottom flask, add 600 g of Pb 3 O 4 in small amounts under stirring, maintain the temperature not exceeding 65 o C, raise the temperature to 65 o C after adding, and continue stirring until the solid is completely dissolved. Cool to room temperature, filter, wash with glacial acetic acid to obtain about 300 g of solid, and dry in a vacuum dryer (Formula 1) [1]. The mother liquor is returned to the original reaction bottle, heated to 80 o C, mixed with dry chlorine gas, filtered out lead chloride while hot after the reaction, and washed with glacial acetic acid. The filtrate is cooled and filtered, and the solid is recrystallized with glacial acetic acid to obtain a part of lead tetraacetate (Formula 2). |
| category | toxic substances |
| flammability hazard characteristics | combustible, the fire site discharges lead-containing spicy and stimulating 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：2024-04-09 20:49:11
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