Description

Diphosphoric Acid, Tris(Phenylmethyl) Ester (9Ci) is a specialized organophosphorus compound, identified by CAS number 121234-18-2. This chemical serves as a versatile intermediate and additive, valued for its ability to modify material properties and participate in advanced synthesis. It is primarily sought by manufacturers in the polymer, agrochemical, and specialty chemical industries for applications requiring flame retardancy, plasticization, or as a synthetic building block.

Application

• As a flame retardant synergist or plasticizer in polymer formulations, including PVC, polyurethanes, and epoxy resins.
• An intermediate in the synthesis of more complex organophosphorus compounds for agrochemicals (e.g., pesticides, herbicides).
• A potential additive or stabilizer in lubricants and functional fluids.
• Used in research and development for creating novel materials with specific thermal or mechanical properties.
• As a chelating agent or extraction aid in certain metallurgical or analytical processes.

Basic Information

Product Name	Diphosphoric Acid, Tris(Phenylmethyl) Ester (9Ci)
CAS No.	121234-18-2
Molecular Formula	C21H21O7P2
Molecular Weight	438.34 g/mol
Synonyms	Tris(benzyl) Diphosphate; Benzyl Diphosphate, Tris-ester; Tris(benzyloxy)phosphoryl Phosphoric Acid Benzyl Ester; Phenylmethyl Diphosphate Triester; Diphosphoric Acid Tris(benzyl) Ester; Benzyl Pyrophosphate; 1,1'-(Phosphoryldioxy)bis(oxy)tetrakis(methylene)tetrabenzene (alternative systematic name)
EINECS	Contact for details

Quality Control

Our production of Diphosphoric Acid, Tris(Phenylmethyl) Ester adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting key parameters 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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%
Residual Solvents (GC)	To be specified per batch

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