| Customization: | Available |
|---|---|
| CAS No.: | 12202-17-4 |
| Formula: | 3pbo·pbso4·H2O |
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Tribasic Lead Sulfate
Molecular formula: 3PbO ·PbSO4·H2O
Molecular weight: 990.86
Property:
It is white, sweet and toxic powder with the specific gravity of 7.10. It can dissolve in nitric acid, hot thick hydrochloric acid, ammonium acetate and sodium acetate, partly in acetic acid, but not in water. It will turns to yellow when loses the crystal water at 135ºC, it turns to yellow under sunlight, especially in wet condition.
Application: Mainly used for the heat stabilizer of PVC opaque or semi opaque products.
Package: Plastic woven bag, 25Kg weight.
Storage: It is toxic inorganic product, so it should be kept in a dry and cool storage house with good ventilation, and cannot be stored or transported with food.
Product quality
|
Index |
Best quality |
|
Appearance |
White powder without evident mechanical impurity |
|
Lead oxide (PbO), % |
87.5-90.5 |
|
Sulfur trioxide (SO3),% |
7.5-8.5 |
|
Heating loss , % |
≤0.40 |
|
Fineness(0.075mesh), % |
≤0.30 |
|
Whiteness, % |
≥90.0 |
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