Description

Ammonium [4-(tert-Butyl)Phenyl] [4-(tert-Pentyl)Phenyl] Phosphate is a specialized organophosphate salt designed for high-performance applications. This compound is valued for its role as an effective flame retardant and plasticizer additive, enhancing material properties without compromising performance. It is primarily required by manufacturers in the polymer, plastics, and specialty chemical industries seeking to improve fire safety and material flexibility in their formulations.

Application

• As a flame retardant additive in engineering plastics, thermoplastics, and thermosetting resins.
• As a plasticizer and stabilizer in PVC and other polymer systems to improve flexibility and processing.
• In the formulation of fire-resistant coatings, paints, and sealants for construction and automotive materials.
• As a key intermediate in the synthesis of other specialty organophosphorus compounds.
• In the production of electronic encapsulants and circuit board materials requiring flame retardancy.
• As an additive in adhesives and sealants to meet specific fire safety regulations.

Basic Information

Product Name	Ammonium [4-(tert-Butyl)Phenyl] [4-(tert-Pentyl)Phenyl] Phosphate
CAS No.	85665-52-7
Molecular Formula	C21H32NO4P
Molecular Weight	393.46 g/mol
Synonyms	Ammonium bis(4-tert-butylphenyl) (4-tert-pentylphenyl) phosphate; Phosphoric acid, bis(4-(1,1-dimethylethyl)phenyl) (4-(1,1-dimethylpropyl)phenyl) ester, ammonium salt; Ammonium 4-tert-butylphenyl 4-tert-pentylphenyl phosphate; Flame retardant 85665-52-7; FR-XXXX (common trade designation); Organophosphate flame retardant salt; Tert-butyl tert-pentyl phenyl ammonium phosphate
EINECS	Contact for details

Quality Control

Our Ammonium [4-(tert-Butyl)Phenyl] [4-(tert-Pentyl)Phenyl] Phosphate is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. The product undergoes rigorous analytical testing, including HPLC and titration methods, to confirm identity and assay. Certificates of Analysis (COA) documenting all critical parameters 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 material is hygroscopic (moisture-sensitive); the container must be kept tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residual Solvents	Meets ICH guidelines
pH (1% solution)	6.0 - 8.0

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