Description

Triisopropyl Phosphite is a versatile organophosphorus compound widely used as a key intermediate and stabilizer in advanced chemical synthesis. Its primary commercial value lies in its role as an effective antioxidant and ligand in the production of polymers, agrochemicals, and pharmaceuticals. This product is essential for manufacturers in the polymer, specialty chemical, and agrochemical industries seeking to enhance product stability and performance.

Application

• As a stabilizer and antioxidant in polymer production, particularly for PVC and polyolefins, to prevent thermal degradation.
• As a key chemical intermediate in the synthesis of organophosphorus pesticides and herbicides.
• As a ligand or catalyst component in various transition metal-catalyzed reactions within fine chemical and pharmaceutical manufacturing.
• As an additive in lubricants and hydraulic fluids to improve anti-wear and extreme pressure properties.
• In the production of flame retardants and other specialty phosphorus-based chemicals.
• As a reducing agent and alkylating agent in organic synthesis processes.

Basic Information

Product Name	Triisopropyl Phosphite
CAS No.	116-17-6
Molecular Formula	C9H21O3P
Molecular Weight	208.23 g/mol
Synonyms	Phosphorous Acid Triisopropyl Ester; Triisopropoxyphosphine; Isopropyl Phosphite; Tris(1-methylethyl) Phosphite; P(OCH(CH3)2)3; TIP; Triisopropylphosphite
EINECS	204-136-6

Quality Control

Our Triisopropyl Phosphite is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. The product undergoes rigorous analytical testing, including gas chromatography (GC) and titration methods, to verify identity, assay, and impurity profiles. A Certificate of Analysis (COA) detailing all specifications is provided with each shipment to guarantee compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area under an inert atmosphere (e.g., nitrogen or argon) due to its sensitivity to oxidation. Recommended storage temperature is between 15°C and 25°C. Keep away from heat, sparks, open flames, and strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0 %
Density (20°C)	0.920 - 0.940 g/cm³
Refractive Index (n20D)	1.410 - 1.415
Water Content (KF)	≤ 0.1 %

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