Overview
Antimony sulfide (Sb₂S₃) is a naturally occurring mineral known as stibnite, though it is also synthesized industrially. It has been used since ancient times as a pigment and cosmetic. Today, its semiconductor properties and flame-retardant capabilities make it valuable in modern industries. In its pure form, antimony sulfide appears as gray-black crystals or powder. It is a key raw material for antimony-based compounds and finds applications ranging from safety matches to advanced electronics. The compound is commercially available in varying purities, with higher grades (>99.5%) reserved for specialized uses.
Physical and Chemical Properties
Antimony sulfide exhibits orthorhombic crystal structure and is insoluble in water but dissolves in concentrated acids like hydrochloric acid. It decomposes at 550°C, releasing sulfur dioxide and forming antimony oxides. As a semiconductor, Sb₂S₃ has a bandgap of ~1.8 eV, making it suitable for photovoltaic and optoelectronic applications. Its flame-retardant action stems from the release of sulfur gases, which dilute flammable vapors and form protective char layers. The compound is stable under normal conditions but reacts violently with strong oxidizers.
Main Applications
The largest use of antimony sulfide is in flame retardants for plastics, rubber, and textiles, where it synergizes with halogenated compounds. It is also essential in matchstick strike pads due to its low ignition temperature. In electronics, high-purity Sb₂S₃ serves as a dopant for semiconductors and a component of chalcogenide glass for infrared optics. Other niche uses include military smokescreens, pyrotechnic blue flames, and historical pigment reproduction. Emerging research explores its role in solar cells and lithium-ion batteries.
Safety and Storage
While antimony sulfide has low acute toxicity, prolonged exposure to dust may cause respiratory irritation or antimony poisoning. NIOSH recommends a TWA limit of 0.5 mg/m³ for antimony compounds. Store in sealed containers away from oxidizers (e.g., nitrates, chlorates) to prevent hazardous reactions. Use local exhaust ventilation in processing areas. Spills should be contained with inert absorbents and disposed of as hazardous waste under local regulations. PPE including N95 masks and chemical goggles is advised during handling.
B2B Procurement Guide
Industrial buyers should prioritize suppliers with traceable antimony sources, as ethical sourcing is critical given geopolitical factors in major producing countries (China, Tajikistan). Technical specifications must detail purity (standard 98–99.5%, electronic grade ≥99.9%), particle size (1–100 μm typical), and heavy metal impurities. Bulk shipments (25–1000 kg drums) commonly offer better pricing, with prices fluctuating with antimony market trends. Request SDS, RoHS/REACH compliance documents, and third-party assay reports. For electronics applications, insist on batch-specific resistivity and stoichiometry data.
Related Manufacturers
- 主营：镀膜材料、蒸发颗粒、三氧化钨、化合物硫化锑、高纯铟丝、氧化镨粉末、高纯铝靶材、氧化铒粉末、高纯钒靶材、高纯钛颗粒、高纯铌靶材、高纯硅靶材、高纯铬颗粒、高纯钽靶材、高纯锗靶材、高纯铪靶材、三氧化二铁、高纯铬靶材、三氧化二铟、高纯锰靶材、氟化钙晶体、高纯铜颗粒、高纯硫化锌、高纯钨靶材、高纯锆靶材
- 主营：悬浮熔炼、电弧熔炼、高熵合金、化合物颗粒、轧制、热处理、机加工、难熔合金、3D打印、难熔球形粉末
- 主营：碳纤维粉、碳纤维短切、芳纶短切、硫化锑、芳纶浆粕、石墨烯、铜纤维、高纯人造石墨粉、腈纶浆粕、聚丙烯腈纤维、柔性焦炭、麻纤维、木质纤维、玄武岩纤维
- 主营：四氢噻吩、乙硫醇、单氰胺、三硫化锑一袋起订、二甲基二硫醚、3-甲硫基丙醛、四氢吡咯、邻氯苯腈、噻吩、盐酸羟胺、硬脂酸锌、异丙胺、氯乙酸、氟硼酸
- 主营：塑料助剂、精炼石蜡、化工催化剂、硫化锑、回收过期染料、回收气相白炭黑、回收油漆、回收树脂、回收钛白粉、回收日化原料、回收橡胶原料
- 主营：增塑剂、草酸镍、阻燃剂、硫化锑、栀子蓝、抗氧剂、偶联剂、异壬酸、1-二十烯、间氟溴苄、异胞嘧啶、磷酸三钾、油墨油剂、洗涤助剂、苯磺酸钠、单体香料、环磺酮酸、分散染料、无机颜料、苹果酸镁、表面处理剂、丙二醇甲醚、化妆品原料、丁酸甘油酯、硅烷处理剂、表面活性剂
- 主营：优氯净、甘氨酸、切削液、三硫化锑阻燃剂、水杨酸、硫酸锰、平平加、滑石粉、牛磺酸、白僵菌、磷酸铁、铵明矾、蛋白胨、碳酸镁、磷酸铝、戊二醛、纤维素、硫化钠、硫化钡、黄蜂蜡、硫化钙、氯化锌、氯化锰、氧化锑、氧化锆、氧化锌
- 主营：硫化锑、福美钠
- 主营：元明粉、丙酸钙、玻璃粉、硫化锑、冰醋酸、液压油、浮选油、草酸铵、生石灰、硅酸钠、单宁酸、胶泥粉、降阻剂、冰晶石、二萘酚、促进剂、熟石灰、三甘醇、大豆蜡、泡花碱、铵明矾、石英砂、丙二醇、edta四钠、edta二钠、维生素b1
- 主营：优氯净、甘氨酸、磷酸硼、硫化锑、水杨酸、硫酸锰、苯甲醇、平平加、正辛烷、一乙胺、磷酸氢、白僵菌、蛋白胨、碳酸镁、磷酸铝、异丁酸、叔丁醇、硫化钡、木质素、醋酸钡、硫化钙、氯化锌、黄原胶、磺酸钙、氟化镁、异丙醇
- 主营：硫酸钡、碳酸钙、硅溶胶、硫化锑、苄基胂酸、甲基磺酸、氨基磺酸、正硅酸乙酯、多聚甲醛
- 主营：优氯净、二萘酚、硫酸锌、硫化锑、封口蜡、甘露醇、水杨酸、硫酸锰、防染盐、正辛烷、牛磺酸、白僵菌、冰醋酸、铵明矾、肉桂醇、碳酸镁、肉桂醛、磷酸铝、戊二醛、沸石粉、硫化钠、硫化钡、硫化钙、氯化锌、黄原胶、磺酸钙
- 主营：三硫化锑正品货源、化工
- 主营：蛋白栋、DOP、玻璃粉、硫化锑、福美钠、黄糊精、硫酸钡、漂白粉、漂粉精、强氯精、优氯净、早强剂
- 主营：蛋白胨、牛骨蛋白胨、福美钠、硫化锑、强氯精、单乙醇胺、三乙醇胺、氯化铜、水玻璃、防辐射硫酸钡
- 主营：锚固剂、硫酸铝、硫酸铜、三硫化锑热稳定剂、切削液、氧化铜、溴化钠、大苏打、导热油、腐植酸、净洗剂、活性炭、水杨酸、硫酸锰、漂白粉、玻璃粉、茶皂素、丁酸钠、磷酸钙、甲酸钠、硬脂酸、消泡剂、酵母硒、磷酸铁、铵明矾、硫酸钡