Description

1,4-Butanediphosphonic Acid is a versatile organophosphorus compound characterized by two phosphonic acid groups separated by a four-carbon alkyl chain. This structure makes it an effective chelating agent and scale inhibitor, crucial for controlling metal ion precipitation and crystal growth in industrial systems. It is primarily utilized by manufacturers in the water treatment, detergent, and textile processing industries where sequestration of calcium and magnesium ions is required.

Application

• Industrial Water Treatment: Acts as a highly effective scale and corrosion inhibitor in cooling towers, boilers, and reverse osmosis systems.
• Detergent & Cleaning Formulations: Serves as a builder and chelating agent to enhance cleaning efficiency by sequestering water-hardness ions.
• Textile Processing: Used in bleaching and dyeing baths to stabilize peroxides and prevent metal-catalyzed degradation of fabrics.
• Pulp & Paper Manufacturing: Functions as a stabilizer in peroxide bleaching stages and a dispersant to control pitch and scale.
• Oilfield Applications: Employed in squeeze treatments and water flooding operations to prevent mineral scale formation in wells and pipelines.
• Personal Care Products: Incorporated as a stabilizing and chelating agent in certain cosmetic and personal care formulations.

Basic Information

Product Name	1,4-Butanediphosphonic Acid
CAS No.	4671-77-6
Molecular Formula	C₄H₁₂O₆P₂
Molecular Weight	226.08 g/mol
Synonyms	Butane-1,4-diphosphonic Acid; Tetramethylenediphosphonic Acid; 1,4-Bis(phosphono)butane; PBDPA; BDPA; Phosphonic acid, P,P'-(1,4-butanediyl)bis-; (1,4-Butanediyl)bis(phosphonic acid)
EINECS	225-113-8

Quality Control

Our 1,4-Butanediphosphonic Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise chemical and physical specifications. A Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee traceability and compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong bases and oxidizing agents. Due to its acidic nature, ensure containers are made of compatible materials such as high-density polyethylene (HDPE) or glass.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 2.0%
pH (1% aqueous solution)	1.5 - 3.0
Heavy Metals (as Pb)	≤ 10 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.