Description

3,6,9,12,15-Pentaoxaheptadecan-1-Ol CAS NO 4353-29-1 is a high-purity polyethylene glycol (PEG) derivative, specifically a monomethyl ether of tetraethylene glycol. This compound is valued for its excellent solvency, low volatility, and hydrophilic properties, making it a versatile intermediate and functional additive. It is primarily used by manufacturers in the pharmaceutical, personal care, and specialty chemical industries for applications requiring precise control over solubility and formulation stability.

Application

• Pharmaceutical Intermediate: Used in the synthesis of prodrugs, solubilizing agents, and as a linker in bioconjugation chemistry.
• Polymer & Resin Modification: Acts as a reactive diluent or plasticizer to modify the flexibility and hydrophilicity of various polymer systems.
• Personal Care & Cosmetics: Serves as a humectant, solvent, and carrier in creams, lotions, and other topical formulations.
• Chemical Synthesis: Employed as a polar, high-boiling point solvent for reactions sensitive to harsh conditions.
• Surface Active Agent: Functions as a non-ionic surfactant or co-surfactant in specialty cleaning and industrial formulations.
• Lubricant & Hydraulic Fluid Additive: Used to enhance the water solubility and stability of functional fluids.

Basic Information

Product Name	3,6,9,12,15-Pentaoxaheptadecan-1-Ol
CAS No.	4353-29-1
Molecular Formula	C13H28O6
Molecular Weight	280.36 g/mol
Synonyms	2-[2-[2-(2-Methoxyethoxy)ethoxy]ethoxy]ethanol; Tetraethylene glycol monomethyl ether; Methyl tetraethylene glycol; MeO-TEG; Tetraglyme monomethyl ether; 3,6,9,12-Tetraoxatetradecan-1-ol, 14-methoxy-; Poly(oxy-1,2-ethanediyl), α-methyl-ω-hydroxy- (n≈4)
EINECS	224-411-1

Quality Control

Our 3,6,9,12,15-Pentaoxaheptadecan-1-Ol is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure it meets high-purity standards suitable for pharmaceutical and industrial applications. A comprehensive Certificate of Analysis (COA) detailing identity, assay, purity, and impurity profiles is provided with each shipment to guarantee traceability and compliance.

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). This product is hygroscopic (moisture-sensitive); containers must be kept tightly sealed to prevent absorption of atmospheric moisture, which can affect product quality.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.445 - 1.455
Density (20°C)	1.10 - 1.12 g/mL

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