Description

2,2,4-Trimethyl-4-Phosphonoadipic Acid is a specialized organophosphorus compound that serves as a highly effective scale and corrosion inhibitor. Its molecular structure provides superior chelating and threshold inhibition properties, making it a critical performance additive in demanding industrial water treatment formulations. This product is essential for chemical suppliers and formulators serving the power generation, oil & gas, and industrial manufacturing sectors where water system integrity is paramount.

Application

• Industrial Water Treatment: Primary application as a high-performance scale inhibitor for calcium carbonate, sulfate, and phosphate scales in cooling towers, boilers, and reverse osmosis (RO) systems.
• Corrosion Inhibition: Used in synergistic blends with other phosphonates and polymers to protect metal surfaces (carbon steel, copper alloys) in recirculating water systems.
• Oilfield Chemicals: A key component in squeeze treatments and downhole scale control formulations to prevent mineral deposition in oil and gas production wells and pipelines.
• Detergent & Cleaning Formulations: Acts as a builder and sequestrant in industrial and institutional cleaning products to inactivate water hardness ions.
• Pulp & Paper Processing: Employed to control scale formation in digesters, washers, and bleach plants, improving operational efficiency.
• Textile Auxiliary: Used in dyeing and finishing baths to prevent precipitation of dyes and improve process uniformity.

Basic Information

Product Name	2,2,4-Trimethyl-4-Phosphonoadipic Acid
CAS No.	67492-84-6
Molecular Formula	C9H17O7P
Molecular Weight	268.20 g/mol
Synonyms	2,2,4-Trimethyl-4-phosphono-1,6-hexanedioic acid; Phosphonated Adipic Acid Derivative; TMPA; ATMP Derivative; Amino Trimethylene Phosphonic Acid Adipate; 4-Phosphono-2,2,4-trimethyladipic acid; PBTC precursor; 1,6-Hexanedioic acid, 4-phosphono-2,2,4-trimethyl-
EINECS	Contact for details

Quality Control

Our production of 2,2,4-Trimethyl-4-Phosphonoadipic Acid adheres to a strict quality management system to ensure batch-to-batch consistency and performance reliability. Every lot is analyzed against stringent internal specifications using advanced techniques like HPLC, NMR, and titration. A Certificate of Analysis (COA) detailing purity, active content, and key physical-chemical parameters is provided with each shipment to support your quality assurance protocols.

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). This material is hygroscopic (moisture-sensitive). Keep the container tightly sealed when not in use to prevent absorption of atmospheric moisture, which may affect product quality and handling properties.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Active Content (as acid)	≥ 98.0%
Water Content (KF)	≤ 2.0%
pH (1% aqueous solution)	2.0 - 4.0
Solubility	Freely soluble in water

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