Overview
Trisodium Phosphate (TSF or TSP) is an inorganic compound with the formula Na3PO4. It has been widely used since the early 20th century for its excellent cleaning and water-softening properties. While its use in consumer detergents has declined due to environmental regulations, it remains important in industrial applications. TSF is produced by neutralizing phosphoric acid with sodium hydroxide. The commercial product is typically available as a white crystalline powder or granules, often as a hydrate (Na3PO4·12H2O). Its strong alkalinity makes it effective for removing grease and stains, particularly in industrial settings.
Physical and Chemical Properties
TSF is a highly water-soluble salt that forms strongly alkaline solutions (pH ~12). Its solubility increases with temperature, making it particularly useful in hot cleaning applications. The compound is hygroscopic, meaning it readily absorbs moisture from the air. Chemically, TSF acts as a sequestrant, binding to metal ions in water which prevents them from interfering with cleaning processes. This property makes it valuable in water treatment applications. The anhydrous form melts at an extremely high temperature (1,583°C), though it typically decomposes before reaching this point in practical applications.
Main Applications
In industrial settings, TSF is primarily used for metal cleaning and surface preparation before painting or coating. It effectively removes grease, oils, and dirt from metal surfaces. The food industry uses food-grade TSP as a pH regulator and emulsifier in processed cheeses and other products. Water treatment plants utilize TSP for controlling water hardness and preventing scale formation in boilers and cooling systems. In construction, it serves as a concrete retarder and surface preparation agent. Despite reduced consumer use, it remains in some heavy-duty cleaners and degreasers.
Safety and Storage
TSF requires careful handling due to its alkaline nature. Contact with skin or eyes can cause irritation or burns. Appropriate PPE including gloves, goggles, and protective clothing should be worn when handling the chemical. Inhalation of dust should be avoided. For storage, keep containers tightly sealed in a dry, cool place. TSF should be separated from acids and other incompatible materials. Spills should be cleaned up promptly with plenty of water. Environmental regulations in many areas restrict TSP discharge, requiring proper waste treatment before disposal.
B2B Procurement Guide
When procuring TSF industrially, buyers should specify the required grade (technical, food, or reagent) and purity level. Technical grade (typically 98-99% pure) suffices for most industrial applications, while food and pharmaceutical uses require higher purity. Packaging options include 25-50 kg bags, bulk sacks, or drums. Consider transportation costs as TSF is often shipped in significant quantities. Verify supplier certifications and compliance with regional chemical regulations. For large orders, negotiate pricing based on current phosphate market trends.
Related Manufacturers
- 主营：超净工作台、高压蒸汽灭菌器、生物安全柜、低温冰箱、二氧化碳培养箱、生化培养箱、除颤仪、经皮黄疸仪、婴儿培养箱、生化分析仪、安全柜检测过滤器更换、红外线灭菌器、移液器、医用离心机、智慧药房、包埋机、脱水机、酶联免疫分析仪、欧莱博液氮罐、欧莱博移液器、欧莱博纯水机、欧莱博天平、欧莱博通风柜、切片机、化学发光免疫分析仪
- 主营：合成树脂、固化剂、不饱和树脂、环氧树脂、聚酯多元醇、酚醛树脂、医药中间体
- 主营：三分量力传感器、六分量力传感器、温度压力传感器、拉扭复合力传感器、拉力传感器、扭矩传感器、位移传感器
- 主营：单片机、mculqfp10、ss10100fl、整流桥、碳化硅、二极管、三极管、快恢管、场效应管、耐压开关、开关电源、双极晶体管、快恢二级管、恢复二级管、整流二级管、瞬态电压抑制、肖特基二级管、超快恢整流管、静电保护二级管
- 主营：电动螺丝刀、手动工具、手推车、液压钳、各类泵、焊接机、测试工具、热电偶、研磨机、粘度计、点胶机、胶纸机、真空泵、压接钳、检电器、劳保工具、离子风机、集尘器、电磁阀
- 主营：雷达液位计、阻旋式料位开关、射频导纳料位开关、浮球开关、投入式液位计、超速开关、超声波液位计、振动传感器、转速传感器
- 主营：高柔性电缆、编码器电缆、高压卷筒电缆、柔性拖链电缆、扁平电缆、垃圾吊卷筒电缆
- 主营：防火墙、交换机、电源模块
- 主营：集成电路
- 主营：快适阀、过滤器、截止阀、球心阀、sza铜球阀、开滋蝶阀、不锈钢气动、铝合金蝶阀、蒸汽减压阀、电动二通阀、气动执行器、电动调节阀、欧文托普静态、斯派莎克碳钢、动力疏水阀泵
- 主营：sen-18364、sen-18367、lm76cnm-3、110991068、110991065、110991066、110991067、ncp1095db、ds18s20-w、114990206、114990205、114990204、lm71a1mda、sen-10167、604-00002、ds60r+t&r、101990702、ixgn60n60、lm82cimqa、101990386、ad7816arm、adt7461ar、lm150kiqp、314990247、314990246
- 主营：4n25mdip6、二极管、收发器、mmsz18t1g、继电器、处理器、控制器、放大器、连接器、显示器、til113dip、sst存储、滤波器、单层usb、mmsz22t1g、ds1307dip、大芯片、cd40106be、金瑞丰、lm2733xmf、稳压器、ltv-354t-a、quad2input、el3052dip6、microchip8
- 主营：hsmy-c190、hsmy-c191、qsmw-c19g、hsmr-c197、hlmp-k640、hlmp-3316、hsmg-c650、ma4pk3004、ma4pk3001、ma4pk3000、ma4pk3003、ma4pk3002、hsme-c190、hsme-c191、qdsp-7590、acpm-5013、hssr-7112、hssr-7111、hssr-7110、hlmp-2685、tu-50-tnc、qcpl-070h、seds-9969、qcpl-063h、hsms-c170
- 主营：斯派莎克、截止阀、过滤器、控制阀、冷凝水回收、洁净蒸汽发生器、除氧器、闪蒸罐、排污罐、ARI、阿姆斯壮、减温减压、机械泵、蒸汽喷射器、换热器
- 主营：集成电路IC、二三极管、电源管理芯片、存储IC、运放IC、单片、芯片、电容电阻、电源开关、传感器、连接器、MOS 场效应管、IGBT模块、继电器、GPS定位模块、电源模块、微控制器、接口芯片、数字信号处理器、晶体管