Description

Trioctadecyl 2-Hydroxypropane-1,2,3-Tricarboxylate is a high-molecular-weight ester derived from citric acid and stearyl alcohol. This compound serves as a highly effective and versatile non-toxic plasticizer and lubricant additive, prized for its excellent compatibility with polymers and its stability. It is a critical material for manufacturers in the polymer, plastics, and specialty chemical industries seeking to enhance material flexibility and processing characteristics.

Application

• Polymer Plasticizer: Used as a secondary or co-plasticizer in PVC, polyurethanes, and other synthetic resins to improve flexibility, elongation, and low-temperature performance.
• Lubricant & Grease Additive: Functions as a thickening agent and performance additive in synthetic lubricants and greases, providing enhanced viscosity and thermal stability.
• Cosmetic & Personal Care Ingredient: Employed as an emollient and skin-conditioning agent in creams, lotions, and makeup formulations.
• Adhesive & Sealant Formulation: Imparts improved adhesion, cohesion, and flexibility in hot-melt and pressure-sensitive adhesive systems.
• Textile & Fiber Treatment: Acts as a softening agent and lubricant in fiber processing and fabric finishing to reduce friction and improve hand feel.
• Food Contact Material Additive: Suitable for use as a plasticizer in polymers intended for food packaging and processing equipment, subject to regulatory compliance.
• Paints & Coatings: Enhances the film-forming properties and flexibility of industrial and protective coatings.
• Rubber Processing Aid: Aids in the internal lubrication and processing of synthetic rubber compounds.

Basic Information

Product Name	Trioctadecyl 2-Hydroxypropane-1,2,3-Tricarboxylate
CAS No.	7775-50-0
Molecular Formula	C₆₃H₁₂₂O₈
Molecular Weight	1003.7 g/mol
Synonyms	Trioctadecyl citrate; Stearyl citrate; Citric acid, trioctadecyl ester; Tris(stearyl) citrate; Tri-n-octadecyl citrate; NSC 3349; Tris(octadecyl) 2-hydroxy-1,2,3-propanetricarboxylate; 1,2,3-Propanetricarboxylic acid, 2-hydroxy-, trioctadecyl ester
EINECS	231-891-8

Quality Control

Our Trioctadecyl 2-Hydroxypropane-1,2,3-Tricarboxylate is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for identity, purity, and performance. A comprehensive Certificate of Analysis (COA) detailing assay, physical properties, and impurity profiles is provided with every shipment to guarantee traceability and compliance with your quality requirements.

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, strong acids, and strong bases.

Specification

Item	Specification
Appearance	White to off-white waxy solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Acid Value	≤ 1.0 mg KOH/g
Melting Point	55 - 65 °C
Heavy Metals (as Pb)	≤ 10 ppm
Loss on Drying	≤ 0.5%

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