Heptylphosphonic Acid CAS NO 4721-16-8

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CAS No.:4721-16-8

Grade:Pharmacy Grade

Content:99.9%

Brand:Customizable

Packaging:Customizable

Description

Heptylphosphonic Acid CAS NO 4721-16-8 is a versatile organophosphorus compound characterized by a seven-carbon alkyl chain attached to a phosphonic acid group. This structure makes it a valuable intermediate and functional additive in advanced material synthesis and surface modification processes. It is primarily utilized by manufacturers and research institutions in the specialty chemical, electronics, and polymer industries.

Application

As a key chelating agent and extractant in hydrometallurgy for the separation and purification of rare earth and transition metals.
As a surface modifier and coupling agent for metal oxides, enhancing the dispersion and compatibility of inorganic fillers in polymer composites.
As a precursor for the synthesis of specialized organophosphorus ligands used in catalysis and coordination chemistry.
In the formulation of corrosion inhibitors and anti-scaling agents for industrial water treatment systems.
As an intermediate in the production of flame retardants and plasticizers for engineered polymers.
In research and development for creating self-assembled monolayers (SAMs) on various substrates for sensor and electronic applications.

Basic Information


Product Name	Heptylphosphonic Acid
CAS No.	4721-16-8
Molecular Formula	C₇H₁₇O₃P
Molecular Weight	180.18 g/mol
Synonyms	1-Heptanephosphonic Acid; Heptane-1-phosphonic Acid; n-Heptylphosphonic Acid; Phosphonoheptanoic Acid; HPA; 7-Phosphonoheptanoic Acid; n-C7 Alkylphosphonic Acid
EINECS	225-207-7

Quality Control

Our Heptylphosphonic Acid is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including assay and impurity profile determination, to ensure it meets the high standards required for industrial and research applications. Certificates of Analysis (COA) documenting purity, identity, and other critical parameters are available upon request 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). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product quality.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Water Content (KF)	≤ 1.0%
Melting Point	Contact for details