Overview
Potassium vanadate (KV) is an inorganic salt composed of potassium and vanadium in a +5 oxidation state. It is primarily used in industrial and laboratory settings due to its catalytic and oxidizing properties. The compound is typically synthesized by reacting vanadium pentoxide with potassium hydroxide or carbonate. As a versatile chemical intermediate, KV finds applications across multiple industries, including chemical manufacturing, metallurgy, and materials science. Its ability to act as a corrosion inhibitor makes it valuable in coatings and surface treatment formulations.
Physical and Chemical Properties
Potassium vanadate appears as a white to yellowish crystalline powder with a density of 2.8 g/cm³. It decomposes at 520°C rather than melting distinctly. The compound is highly soluble in water, forming alkaline solutions, and shows limited solubility in organic solvents like ethanol. Chemically, KV is a strong oxidizing agent and reacts with reducing substances. It exhibits hygroscopic tendencies, requiring careful storage to prevent moisture absorption. In aqueous solutions, it can form various vanadate species depending on pH, making it useful in redox chemistry applications.
Main Applications
In industrial catalysis, potassium vanadate serves as an efficient catalyst for oxidation reactions, particularly in organic synthesis and petrochemical processes. It's also employed as a corrosion inhibitor in cooling systems and metal surface treatments, where it forms protective vanadium oxide layers. The compound finds use in ceramic glazes and specialty glass production, where it acts as a colorant and flux. In research laboratories, KV is utilized as a precursor for other vanadium compounds and in electrochemical studies due to its multiple oxidation states.
Safety and Storage
Potassium vanadate requires careful handling due to its toxicity and corrosive nature. Appropriate personal protective equipment (PPE) including gloves, goggles, and respiratory protection should be used when handling the powder or solutions. Storage should be in cool, dry conditions in tightly sealed containers, preferably made of polyethylene or glass. The compound should be kept away from reducing agents and organic materials. Spills should be contained and cleaned immediately using appropriate procedures to prevent environmental contamination.
B2B Procurement Guide
Industrial buyers should specify required purity levels (typically 98-99.9% for most applications) and particle size when ordering potassium vanadate. Standard packaging includes 25 kg polyethylene-lined drums or smaller laboratory quantities. Reputable suppliers should provide material safety data sheets (MSDS) and certificates of analysis. Buyers may want to inquire about custom formulations or particle size distributions for specialized applications. Bulk purchases typically offer better pricing, with prices varying based on market conditions and vanadium commodity prices.
Related Manufacturers
- 主营：tlc274cdr、模块mos、易龙泰、chip1stop、缓冲器、衰减器、放大器、制pcb板、传感器、国内pcb、多层pcb、25svpf47m、逆变器、样板pcb、泰科源、博思达、稳压器、北高智、蓝伯科、机器人、变压器、控制器、smt贴片、阻抗fpc、整流管
- 主营：橡套电缆、矿用移动橡胶软电缆、船用电缆、防水电缆、铁路信号电缆、矿用网线、通信电缆、MHYV矿用通信电缆、计算机电缆、控制电缆、矿用控制电缆、矿用采煤机电缆、电力电缆、矿用高压电力电缆、低烟无卤电缆、变频电缆、软芯电源线、监控信号电缆、橡胶电缆、盾构机电缆、屏蔽信号电缆
- 主营：铜线芯、黑色圆线、计算机电缆、编织屏蔽电缆、矿用电缆、橡套电缆、控制电缆、通信电缆、光缆
- 主营：电话线、麻花线、监测线、橡胶线、软电缆、无氧铜、橡套线、双绞线、焊把线、屏蔽线、国标电缆、矿用网线、巷道灯线、橡胶电线、专用电缆、阻燃光缆、六类网线、空调木托、控制电缆、防爆网线、总线电缆、屏蔽电缆、阻燃网线、监测电缆、铠装电缆
- 主营：电力安全工具柜、玻璃钢伸缩围栏、不锈钢伸缩围栏、警示带、绝缘胶垫、安全帽、高压验电器、防汛挡板、标志桩、挡鼠板、电力安全围网、绝缘操作杆、标示牌、不锈钢地桩、预埋式绝缘伸缩地桩、绝缘地桩网杆、电力施工警示带、绝缘伸缩带、玻璃钢绝缘伸缩警示带、变压器围栏、个人保安线、令克棒、防撞桶、救援钩、支架
- 主营：耐张线夹、绝缘子、钢芯铝绞线、铝包钢芯铝绞线、ADSS光缆、OPGW光缆、特轻型钢芯铝绞线、耐热铝合金导线、钢绞线、扩径导线、光缆金具、耐热钢芯铝绞线、复合架空地线、电力金具、耐热铝包芯铝合金导线、管道光缆、悬垂线夹、避雷器、架空导线、光缆源头、电力光缆、铝合金绞线、耐热铝合金扩径导线、玻璃绝缘子、1440导线
- 主营：单体液压支柱、调度绞车、玻璃钢支柱、皮带探伤仪、防爆饮水机、无压风门、扒渣机、耙斗装岩机、锚杆调直机、皮带硫化机、振动放矿机、气动清淤排污泵、慢速绞车、自动隔爆装置、栏木机、侧卸式矿车、运输绞车、双速绞车、逆止器、断带抓捕器、洗靴机、支架灯、气动绞车
- 主营：矿用阻燃电缆、矿用信号电缆、矿用屏蔽电缆、矿用网线、矿用通信电缆、矿用电话线、矿用铠装通信电缆、矿用控制电缆、矿用电力电缆、煤矿用橡套软电缆、矿用屏蔽控制电缆、矿用井下移动软电缆、矿用高压橡套软电缆、矿用井下电源线、采煤机电缆、矿用阻燃光缆、矿用光缆、矿用单模光缆、盾构机电缆、防水电缆、潜水泵电缆、耐高温防水电缆、斗轮机扁电缆、斗轮机高压扁电缆、卷筒电缆
- 主营：电缆终端、冷缩、干式绝缘、中间接头、内锥插拔、变压器终端、GIS终端、瓷套终端、复合终端、户外终端、电缆附件、接地箱、防火毯、防爆毯、防火自粘带、电缆夹具、冷缩终端、热缩终端
- 主营：绝缘防护管、绝缘毯、绝缘服、绝缘手套、电力工器具、电动压接钳、电动冲孔机、电动泵、棘轮切刀
- 主营：雷达塔、监控塔、电力塔、电力构架、避雷塔架、电力架构、角钢避雷塔、雷达信号塔、变线路架构、预埋地脚螺栓、移动通讯铁塔、输电线路铁塔、电厂变电站架构、钢结构连接底座
- 主营：mc4接头、光伏接头、mc4光伏专用接头、光伏直流线接头、光伏mc4接头、光伏板接头、光伏插头、光伏连接器、mc4光伏连接器、光伏接线盒、光伏直流电缆、光伏直流线、mc4连接器、保险丝连接鼯、光伏线束、光伏隔离开关、光伏保险丝连接器、光伏线夹、光伏板接线盒、薄膜接线盒、光伏边连接器、光伏汇流箱、穿刺线夹、光伏保险丝线束、光伏延长线
- 主营：集成逻辑芯片
- 主营：MHYV、MVV、通讯光缆、矿用通讯电缆、RVSP通讯线、EIB照明线、CAT5网线、矿用网线、CAT6网线、MGTSV光缆、MGTS矿用光缆
- 主营：光伏连接器、mc4光伏连接器、光伏接线盒、光伏直流电缆、光伏直流线、mc4接头、mc4连接器、保险丝连接器、光伏线束、光伏隔离开关、光伏延长线、穿刺线夹、光伏线夹、保险丝接头、薄膜接线盒、光伏板接线盒、一转换插头、带线光伏接头、光伏保险丝连接器、光伏接头、mc4光伏专用接头、光伏直流线接头、光伏mc4接头、光伏板接头、光伏插头