A5270312
Lead sulfate , AR,98.0% , 7446-14-2
Synonym(s):
Anglesite
CAS NO.：7446-14-2
Empirical Formula: O4PbS
Molecular Weight: 303.26
MDL number: MFCD00011166
EINECS: 231-198-9
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | 1170 °C |
| Density | 6.2 g/mL at 25 °C(lit.) |
| solubility | insoluble in acid solutions; slightly soluble in alkaline solutions |
| form | Powder/Lump |
| Specific Gravity | 6.2 |
| color | White |
| Water Solubility | Partially soluble in water, dilute HCl and HNO{3}. Soluble in sodium hydroxide, ammonium acetate or tartrate, concentrated hydriodic acid. Insoluble in alcohol |
| Merck | 14,5420 |
| Exposure limits | ACGIH: TWA 0.05 mg/m3 NIOSH: IDLH 100 mg/m3; TWA 0.050 mg/m3 |
| Dielectric constant | 14.3（0.0℃） |
| Stability: | Stable. |
Description and Uses
Lead sulfate is a heavy, white crystallinepowder. Molecular weight=303.25; Freezing/Meltingpoint = 1170℃. Hazard Identification (based on NFPA-704M Rating System): Health 3, Flammability 0, Reactivity 1.Soluble in water.
It has been used in photography in combination with silver bromide and is used in the stabilization of clay soil for adobe structures, earth-fill dams, and roads.
Safety
| Symbol(GHS) |    GHS07,GHS08,GHS09 |
| Signal word | Danger |
| Hazard statements | H302+H332-H360D-H373-H410 |
| Precautionary statements | P202-P260-P273-P301+P312-P304+P340+P312-P308+P313 |
| Hazard Codes | T,N |
| Risk Statements | 61-20/22-33-50/53-62 |
| Safety Statements | 53-45-60-61 |
| RIDADR | UN 3077 9/PG 3 |
| WGK Germany | 3 |
| RTECS | OG4375000 |
| TSCA | Yes |
| HazardClass | 6.1 |
| PackingGroup | III |
| HS Code | 28332960 |
