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Номер CAS: 1345-04-6
Molecular Formula: S3Sb2
Молекулярный вес: 339.71
Appearance: Red or dark gray to black powder
Точка плавления: 550 ° C
Температура кипения: 1150 ° C
Usage: Used in the production of fireworks, pigments, and as a semiconductor.
| Атрибут | Подробнее |
|---|---|
| Химическое название | Antimony(III) sulfide |
| Синонимы | Antimony sulfide; Trisulfide of antimony; Sb2S3; Antimonous sulfide |
| Номер по CAS | 1345-04-6 |
| Номер EINECS | 215-713-4 |
| Молекулярная формула | Сб2С3 |
| Молекулярная масса | 339.68 g/mol (approximately) |
| Внешний вид | Orange solid or blackish-gray crystalline powder with a metallic luster; also described as deep gray needle-like crystals |
| Плотность | 4.64 g/cm³ at 25°C (literature value; may vary with purity and conditions) |
| Температура плавления | 550 ° C |
| Точка кипения | 1150 ° C |
| Растворимость | Insoluble in water and difficult to dissolve in acetic acid; soluble in concentrated hydrochloric acid, sulfuric acid, alcohols, ammonium sulfide (NH4HS), potassium sulfide solutions, and sodium hydroxide solutions |
| Стабильность | Stable at room temperature but can be oxidized when heated in air; can be reduced to elemental antimony by hydrogen (H2) or iron (Fe) |
| реактивность | Reacts with acids to release toxic hydrogen sulfide (H2S) or sulfur oxides (SOx); contact with oxidizing agents may cause combustion or explosion |
| Приложения | Important raw material for the manufacture of matches, fireworks, and explosives; used as a hardener or pigment in the rubber industry; has military applications; used to produce various antimony salts and colored glasses; also serves as an analytical reagent |
| Токсичность | Considered highly toxic; acute toxicity manifests as irritation to the respiratory tract, digestive tract, and skin; long-term exposure to low concentrations of antimony compounds can lead to conditions such as rhinitis, nasal septum perforation, bronchitis, stomatitis, digestive dysfunction, and skin damage |
| Меры предосторожности | Handle with caution and in a well-ventilated area; avoid contact with skin, eyes, and clothing; wear appropriate protective equipment; store in a cool, dry place away from oxidizing agents and incompatible materials; in case of contact or ingestion, seek medical attention immediately |
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