Antimony Trisulfide
Antimony Trisulfide (Sb₂S₃)
High purity antimony trisulfide, with strict control of chemical composition and particle size distribution, high product purity, low impurity content, stable performance, widely used in friction materials, match industry and rubber chemical industry.
Specification
| Grade | Sb₂S₃ (%) | As (%) | Pb (%) | Fe (%) | Cu (%) | Se (%) | Volatile (%) |
|---|---|---|---|---|---|---|---|
| First Grade | ≥70.0 | ≤0.1 | ≤0.1 | ≤0.1 | ≤0.05 | ≤0.005 | ≤0.5 |
| Qualified | ≥68.0 | ≤0.3 | ≤0.2 | ≤0.2 | ≤0.1 | ≤0.01 | ≤1.0 |
Applications
- Matches & Fireworks: Mainly used in manufacturing matches and fireworks
- Friction Materials: Used in manufacturing brake pads and clutch plates for automobiles and motorcycles, providing stable friction coefficient
- Chemical Raw Material: Used in the production of various antimony salts
- Glass Industry: Used in the production of colored glass
- Rubber Industry: Used as a rubber vulcanizing agent to promote cross-linking and hardening of rubber
- Military Industry: Used in military gunpowder and explosives manufacturing
Physical & Chemical Properties
- CAS Number: 1345-04-6
- Appearance: Black or gray-black powder
- Chemical Formula: Sb₂S₃
- Molecular Weight: 339.7
- Melting Point: 546°C
- Boiling Point: 1080°C
- Density: 4.64 g/cm³
- Solubility: Insoluble in water, soluble in concentrated hydrochloric acid