CAS:37971-36-1 | 2-Phosphonobutane-1,2,4-tricarboxylic Acid (PBTCA)

2-Phosphonobutane-1,2,4-tricarboxylic Acid (PBTCA) is a colorless or light yellow transparent liquid. Relative density(20℃)11 275.freezing point-15℃. Resistant to acids, alkalis and oxidizers. Can be miscible with water in any proportion, 1% aqueous solution pH 1. Good thermal stability. Stable to hydrolysis, in water up to 120 ℃, no hydrolysis was found, with good corrosion and scale inhibition performance. The tolerance to chlorine gas or chlorine products and trivalent iron ions in water is better than other phosphonates. It has good compatibility with common water treatment agents and has synergistic effect.

• Water treatment: As an excellent corrosion and scale inhibitor, PBTCA can effectively inhibit the formation of scale such as calcium carbonate and calcium sulfate in water, prevent scale from depositing on the surface of equipment, and prevent metal from corroding when in contact with water, thereby extending the service life of equipment. It is widely used in the treatment of industrial circulating cooling water, boiler water and other systems.
• Metal cleaning: 2-Phosphonobutane-1,2,4-tricarboxylic Acid (PBTCA) can chemically react with rust and dirt on the metal surface, dissolving or dispersing it in the cleaning liquid, thereby achieving the purpose of removing dirt and cleaning the metal surface.
• Papermaking industry: Used in the water treatment system of the papermaking industry, it can prevent calcium, magnesium and other ions in the water from forming scale in papermaking equipment and pipelines, ensuring the smooth progress of the papermaking process
• Textile printing and dyeing: PBTCA can remove impurities and metal ions in water, prevent them from forming spots and rust stains on fabrics, and improve the quality of printing and dyeing. At the same time, it can also be used as a printing and dyeing auxiliary to improve the dyeing properties of fabrics and make the dyeing more uniform and brighter.

Standard laboratory operating procedures are required when handling 2-Phosphonobutane-1,2,4-tricarboxylic Acid (PBTCA), such as wearing appropriate safety equipment (such as gloves, goggles, etc.).
When using or storing, keep away from fire, avoid contact with oxidants, and store in a dry, well-ventilated place.

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