PBTCA (Phosphonobutane Tricarboxylic Acid) – Powerful Chelating and Stabilizing Agent

🧪 CAS Number: 37971-36-1

🌟 Product Description

PBTCA (Phosphonobutane Tricarboxylic Acid) is an organophosphonic acid derivative known for its excellent chelating ability and corrosion inhibition. With high thermal stability and strong complexing capacity with metals such as calcium, zinc, and iron, it is widely applied in water treatment, industrial cooling systems, reverse osmosis processes, and cleaning chemicals. It is an eco-friendly inhibitor effective even at low dosages.

🏭 Applications

💧 Scale and corrosion inhibition in industrial cooling water

⚙️ Scale control in reverse osmosis systems

🧴 Cleaning and detergent formulations

🏭 Processing aid in paper and textile industries

🧪 Complexing agent in chemical processes

📊 Physical & Chemical Properties

Appearance: Colorless to light yellow liquid

Odor: Slight characteristic odor

Molecular Formula: C7H11O9P

Molecular Weight: ~270 g/mol

pH (1% solution): 2.0 ± 0.5

Density (20 °C): ~1.27 g/cm³

Solubility: Completely soluble in water

⚠️ Storage & Safety

PBTCA is acidic and may cause irritation on skin and eyes upon contact. Protective equipment should be used. Store in cool, dry, and well-ventilated areas in plastic or stainless-steel tanks, protected from sunlight.

🔑 Keywords

PBTCA, CAS 37971-36-1, chelating agent, scale inhibitor, corrosion inhibitor, water treatment chemical

📛 Other Names

Phosphonobutane Tricarboxylic Acid, Organophosphonic Acid Derivative