Description

3-Hydroxy-2,2-Bis(Hydroxymethyl)Propyl Palmitate is a multifunctional ester derived from trimethylolpropane and palmitic acid, serving as a versatile intermediate and additive. Its molecular structure, featuring a branched polyol core and a long-chain fatty acid, provides excellent emolliency, lubricity, and compatibility with hydrophobic systems. This compound is essential for formulators in the personal care, cosmetics, and specialty chemical industries seeking to enhance product texture, stability, and performance.

Application

• Personal Care & Cosmetics: Acts as a high-performance emollient and skin-conditioning agent in creams, lotions, and sunscreens.
• Lubricant & Plasticizer: Used as a bio-based lubricant additive and a non-phthalate plasticizer for polymers and resins.
• Pharmaceutical Excipient: Functions as a lipid-based carrier and solubilizer in topical and oral drug delivery systems.
• Chemical Synthesis: Serves as a key intermediate for producing more complex esters, surfactants, and polymeric materials.
• Industrial Coatings & Inks: Imparts flexibility and flow properties to specialty coatings, printing inks, and adhesives.

Basic Information

Product Name	3-Hydroxy-2,2-Bis(Hydroxymethyl)Propyl Palmitate
CAS No.	17630-08-9
Molecular Formula	C24H48O5
Molecular Weight	416.64 g/mol
Synonyms	Trimethylolpropane Monopalmitate; TMP Monopalmitate; 2-Ethyl-2-(hydroxymethyl)-1,3-propanediol Monopalmitate; Palmitic Acid Monoester with Trimethylolpropane; 1,3-Propanediol, 2-Ethyl-2-(hydroxymethyl)-, Monopalmitate; 3-Hydroxy-2,2-bis(hydroxymethyl)propyl Hexadecanoate; TMP-P
EINECS	241-608-9

Quality Control

Our 3-Hydroxy-2,2-Bis(Hydroxymethyl)Propyl Palmitate is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including chromatography and spectroscopy, to ensure identity, purity, and consistency. 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). Keep away from strong oxidizing agents and excessive heat. Under these conditions, the product remains stable for extended periods.

Specification

Item	Specification
Appearance	White to off-white waxy solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Acid Value	≤ 2.0 mg KOH/g
Hydroxyl Value	Contact for details
Melting Point	45 - 55 °C
Heavy Metals	≤ 10 ppm
Residue on Ignition	≤ 0.1%

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