3687-31-8
Lead arsenate
CAS: 3687-31-8
Molecular Formula: As2O8Pb3
3687-31-8 - Names and Identifiers
| Name | Lead arsenate |
| Synonyms | talbot Talbot Soprabel nurexform Lead arsenate leadarsenates LEAD(II) ARSENATE leadorthoarsenate trilead diarsenate triplumbous diarsorate |
| CAS | 3687-31-8 |
| EINECS | 222-979-5 |
| InChI | InChI=1/AsH3O4.Pb.4H/c2-1(3,4)5;;;;;/h(H3,2,3,4,5);;;;;/q;+2;;;;/p-2/rAsH3O4.H4Pb/c2-1(3,4)5;/h(H3,2,3,4,5);1H4/q;+2/p-2 |
3687-31-8 - Physico-chemical Properties
| Molecular Formula | As2O8Pb3 |
| Molar Mass | 899.44 |
| Density | 5,8 g/cm3 |
| Melting Point | 382 |
| Water Solubility | insoluble |
| Appearance | white crystals |
| Use | Used in large quantities for the preparation of other arsenic compounds |
3687-31-8 - Risk and Safety
| Risk Codes | R23/25 - Toxic by inhalation and if swallowed. R50/53 - Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. |
| Safety Description | S20/21 - S28 - After contact with skin, wash immediately with plenty of soap-suds. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) |
| UN IDs | 1617 |
| Hazard Class | 6.1 |
| Packing Group | II |
3687-31-8 - Reference Information
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| Use | A large number of other arsenic compounds |
| category | pesticide |
| toxicity classification | poisoning |
| acute toxicity | oral-rat LD50 825 mg/kg |
| 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 |
| occupational standard | TWA 0.15 mg/m3 |
Last Update：2024-04-10 22:29:15
