Description

2,4,4-Trimethyl-2-Phosphonoadipic Acid is a specialized organophosphorus compound that serves as a highly effective chelating agent and scale inhibitor. Its unique molecular structure, featuring both phosphonic acid and carboxylic acid groups, provides superior sequestration of metal ions like calcium and magnesium under demanding conditions. This makes it a critical performance additive for industrial water treatment, detergent formulations, and as an intermediate in the synthesis of advanced materials. B2B buyers across the chemical manufacturing and water management sectors rely on this compound for its proven efficacy in preventing scale deposition and stabilizing process streams.

Application

• Industrial Water Treatment: Primary application as a high-performance scale and corrosion inhibitor in cooling water systems, boilers, and reverse osmosis membranes.
• Detergent & Cleaning Formulations: Key builder and sequestrant in industrial and institutional cleaning products to enhance efficacy in hard water.
• Pulp & Paper Processing: Used to control scale formation and improve bleaching efficiency in pulp mills.
• Textile & Dyeing Auxiliary: Acts as a dispersant and chelating agent to prevent metal-ion interference during dyeing processes.
• Oilfield Chemicals: Component in scale inhibitor formulations for squeeze treatments and production chemicals to prevent mineral scale in wells and pipelines.
• Chemical Synthesis Intermediate: Serves as a building block for synthesizing more complex phosphonate derivatives and functional polymers.

Basic Information

Item	Detail
Product Name	2,4,4-Trimethyl-2-Phosphonoadipic Acid
CAS No.	67492-83-5
Molecular Formula	C9H17O7P
Molecular Weight	268.20 g/mol
Synonyms	2-Phosphonoadipic acid, 2,4,4-trimethyl-; Phosphonobutanetricarboxylic acid (PBTC) isomer; 1-Phosphono-2,2,4-trimethylpentane-1,3,5-tricarboxylic acid; 2,4,4-Trimethyl-2-phosphonopentane-1,3,5-tricarboxylic acid; PBTC; Dequest 7000 (related trade series); Hydroxyphosphinylacetic acid, (3-carboxy-1,1-dimethylpropyl)-; Contact for additional trade names.
EINECS	Contact for details

Quality Control

Our production of 2,4,4-Trimethyl-2-Phosphonoadipic Acid adheres to a stringent quality management system to ensure batch-to-batch consistency and reliability. The product undergoes rigorous analytical testing, including assay by titration or HPLC, identification by FT-IR, and control of key impurities and moisture content. A comprehensive Certificate of Analysis (COA) documenting all test results is provided with each shipment. We are committed to meeting the specific quality standards required for your application, whether for industrial, technical, or formulation grades.

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 product is hygroscopic (moisture-sensitive); the container must be kept tightly sealed after opening to prevent absorption of atmospheric moisture, which can lead to caking or degradation. Keep away from strong oxidizing agents and strong bases.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (Titration)	≥ 95.0%
Water Content (Karl Fischer)	≤ 2.0%
pH (1% aqueous solution)	2.0 - 4.0
Iron (Fe)	≤ 50 ppm
Chloride (Cl)	≤ 100 ppm

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