Description

Diammonium Dihydrogen [(Heptylimino)Bis(Methylene)]Bisphosphonate is a specialized organophosphorus compound belonging to the bisphosphonate class. This chemical is valued for its excellent chelating and scale inhibition properties, making it a critical performance additive in demanding industrial water treatment and process applications. It is primarily utilized by formulators and manufacturers in the water treatment, oilfield, and detergent industries seeking to control metal ions and prevent mineral scale deposition under harsh conditions.

Application

• Industrial Water Treatment: Acts as a highly effective scale and corrosion inhibitor in cooling water systems, boiler water, and reverse osmosis membranes, particularly effective against calcium carbonate and sulfate scales.
• Oilfield Chemistry: Used in squeeze treatments and as a component in drilling and completion fluids to prevent scale formation in downhole equipment and pipelines.
• Detergent & Cleaning Formulations: Serves as a builder and chelating agent in industrial and institutional cleaning products to sequester hardness ions (Ca²⁺, Mg²⁺) and enhance cleaning efficiency.
• Pulp & Paper Processing: Employed as a dispersant and chelant to control metal ions that can catalyze peroxide decomposition and affect pulp brightness.
• Textile Processing: Functions as a stabilizer and sequestrant in bleaching and dyeing baths to improve process consistency and fabric quality.
• Metal Surface Treatment: Used in metal cleaning and plating baths to control water hardness and prevent precipitation on metal surfaces.

Basic Information

Product Name	Diammonium Dihydrogen [(Heptylimino)Bis(Methylene)]Bisphosphonate
CAS No.	94107-71-8
Molecular Formula	C9H26N3O6P2
Molecular Weight	349.27 g/mol
Synonyms	Diammonium heptyliminobis(methylene)diphosphonate; Heptyl-ATMP ammonium salt; ATMP heptyl ester ammonium salt; (Heptylimino)bis(methylenephosphonic acid) diammonium salt; Amino tris(methylene phosphonic acid) heptyl ester ammonium salt; PBTC heptyl derivative; Water treatment scale inhibitor 94107-71-8; Phosphonobutane tricarboxylic acid heptylamino derivative
EINECS	Contact for details

Quality Control

Our Diammonium Dihydrogen [(Heptylimino)Bis(Methylene)]Bisphosphonate is manufactured under a stringent quality management system. Each batch undergoes rigorous analytical testing to ensure consistent purity and performance, meeting the specifications required for high-end industrial applications. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical properties is provided with every shipment to guarantee traceability and compliance with your quality standards.

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 initial use to prevent absorption of atmospheric moisture which may lead to caking or performance degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow viscous liquid
Assay (by Titration)	≥ 48.0 %
Active Content (as Acid)	≥ 50.0 %
pH (1% aqueous solution)	6.0 - 8.0
Density (20°C)	1.25 - 1.35 g/cm³
Chloride (as Cl)	≤ 0.1 %
Iron (as Fe)	≤ 10 ppm

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