Description

Phosphinic Acid, Methyl-, Aluminum Salt (Aluminum Tris (Methylphosphonite) CAS NO 81323-91-3 is an organophosphorus compound that serves as a key intermediate and functional additive. This chemical is valued for its role as a flame retardant synergist and a catalyst precursor in specialized polymerizations. It is primarily required by manufacturers in the polymer, plastics, and specialty chemical industries seeking to enhance material properties such as fire resistance and thermal stability.

Application

• As a flame retardant synergist in engineering plastics and thermoset resins.
• As a precursor or catalyst component in the synthesis of specialty polymers and coordination complexes.
• As an additive to improve the thermal stability and char formation of polymeric materials.
• In research and development for novel organophosphorus chemistry and material science applications.
• As a potential component in halogen-free flame retardant formulations for electronics and construction materials.

Basic Information

Product Name	Phosphinic Acid, Methyl-, Aluminum Salt
CAS No.	81323-91-3
Molecular Formula	C3H9AlO6P3
Molecular Weight	270.00 g/mol (approx.)
Synonyms	Aluminum Tris(Methylphosphonite); Aluminum Methylphosphonite; Tris(methylphosphonito)aluminum; Methylphosphinic Acid Aluminum Salt; Aluminum Tris(Methylphosphinate) (common misnomer); Aluminium Methylphosphonite; Organoaluminum Phosphinate; ATMP
EINECS	Contact for details

Quality Control

Our Phosphinic Acid, Methyl-, Aluminum Salt is produced under strict quality control protocols to ensure batch-to-batch consistency and high purity. All materials are characterized using appropriate analytical techniques. Certificates of Analysis (COA) detailing purity, identity, and key specifications are available upon request to support your quality assurance and regulatory 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 material is hygroscopic (moisture-sensitive) and must be kept in a dry environment to prevent degradation. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white powder or solid
Identification (IR)	Conforms to structure
Assay (Al Content)	≥ 95.0%
Loss on Drying	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm

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