Description

Catechol-3,6-Bis(Methyleneiminodiacetic Acid) is a specialized chelating agent and organic intermediate derived from catechol and iminodiacetic acid. This compound is valued for its strong metal-binding properties, making it a critical component in applications requiring precise metal ion sequestration and control. It is primarily utilized by manufacturers in the water treatment, analytical chemistry, and pharmaceutical synthesis industries.

Application

• Water Treatment Chelant: Acts as a high-performance sequestrant for scale-forming metal ions like calcium, magnesium, and iron in industrial water systems and cooling towers.
• Analytical Reagent: Used as a complexometric titrant and masking agent in analytical chemistry for the selective determination of transition metal ions.
• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of advanced chelator-based pharmaceuticals and diagnostic agents.
• Detergent Builder: Functions as an eco-friendly phosphate alternative in specialty detergent formulations to soften water and enhance cleaning efficiency.
• Pulp & Paper Processing: Employed to control metal ion concentrations that can catalyze the degradation of cellulose and bleach during pulp processing.
• Agricultural Micronutrient Carrier: Chelates essential micronutrients like iron, zinc, and manganese for improved stability and plant uptake in fertilizer solutions.

Basic Information

Product Name	Catechol-3,6-Bis(Methyleneiminodiacetic Acid)
CAS No.	82773-07-7
Molecular Formula	C₁₆H₁₈N₂O₁₀
Molecular Weight	398.32 g/mol
Synonyms	3,6-Bis(carboxymethyliminomethylene)catechol; Catechol-3,6-bis(methyliminodiacetic acid); N,N'-1,2-Phenylenebis[N-(carboxymethyl)glycine]; PBG; 1,2-Dihydroxy-3,6-bis[(carboxymethyl)iminomethyl]benzene; Chelating Agent 82773-07-7; Catechol Bis-IDA
EINECS	Contact for details

Quality Control

Our production of Catechol-3,6-Bis(Methyleneiminodiacetic Acid) adheres to stringent quality management protocols. Each batch is tested to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing specific parameters such as assay, heavy metal content, and loss on drying are available upon request to support your quality assurance and regulatory compliance needs.

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) and must be kept in a dry environment to prevent degradation and caking.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition	≤ 0.1%
pH (1% Solution)	3.0 - 5.0

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