Description

Tris(2-Butoxyethyl) Phosphate CAS NO 78-51-3 is a high-purity organophosphate ester widely recognized for its excellent plasticizing and flame-retardant properties. This compound is valued for its ability to impart flexibility and durability to polymer matrices while simultaneously enhancing fire safety. It is an essential additive for manufacturers in the plastics, coatings, and hydraulic fluid industries seeking to improve product performance and meet stringent safety regulations.

Application

• Primary plasticizer and flame retardant for polyvinyl chloride (PVC), polyurethane, and other polymers.
• Functional additive in hydraulic fluids and lubricants to improve viscosity and anti-wear characteristics.
• Flame-retardant component in flexible foams, sealants, and adhesives.
• Solubilizer and stabilizer in specialty coatings and ink formulations.
• Additive in synthetic rubbers and elastomers to enhance low-temperature flexibility.
• Used as a processing aid in the manufacture of cables and wire insulation.

Basic Information

Product Name	Tris(2-Butoxyethyl) Phosphate
CAS No.	78-51-3
Molecular Formula	C18H39O7P
Molecular Weight	398.47 g/mol
Synonyms	TBEP; Tris(2-butoxyethyl) phosphate; Phosphoric acid tris(2-butoxyethyl) ester; 2-Butoxyethanol phosphate (3:1); Ethanol, 2-butoxy-, phosphate (3:1); Tri(butoxyethyl) phosphate; KP-140; Kronitex TBEP
EINECS	201-122-9

Quality Control

Our Tris(2-Butoxyethyl) Phosphate is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure it meets the high standards required for industrial applications. A Certificate of Analysis (COA) detailing purity, identity, and key physical properties is provided with each shipment to guarantee consistency and traceability.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents and heat sources.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Acidity (as H3PO4)	≤ 0.1%
Water Content (KF)	≤ 0.2%
Specific Gravity (20°C)	1.015 - 1.025
Refractive Index (20°C)	1.433 - 1.443

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