Description

1,16-Hexadecanediol is a long-chain aliphatic diol, a versatile bifunctional building block with terminal primary hydroxyl groups. This compound is valued for its ability to impart flexibility, hydrophobicity, and specific chain length into polymeric structures. It serves as a critical monomer in the synthesis of high-performance polyesters, polyurethanes, and specialty polymers for demanding industrial applications.

Application

• Polymer Synthesis: A key monomer for producing long-chain polyesters and polycarbonates, offering enhanced flexibility and low-temperature properties.
• Polyurethane Elastomers & Coatings: Used as a chain extender or soft segment component to improve the toughness, hydrolytic stability, and low-temperature flexibility of PU materials.
• Lubricants & Synthetic Oils: Serves as a precursor for ester-based synthetic lubricants with excellent thermal stability and low volatility.
• Cosmetic & Personal Care Ingredients: Employed in the synthesis of emollients, waxes, and thickeners for creams and lotions.
• Adhesives & Sealants: Incorporated to modify the crystallinity and adhesion properties of hot-melt and reactive adhesives.
• Surface Active Agents: Acts as an intermediate for non-ionic surfactants and emulsifiers.
• Pharmaceutical Intermediates: Used in the synthesis of prodrugs, drug delivery systems, and other bioactive molecules.
• Specialty Plasticizers: Provides permanent plasticization for various polymers, including PVC and engineering plastics.

Basic Information

Product Name	1,16-Hexadecanediol
CAS No.	7735-42-4
Molecular Formula	C₁₆H₃₄O₂
Molecular Weight	258.44 g/mol
Synonyms	Hexadecane-1,16-diol; 1,16-Dihydroxyhexadecane; Hexamethylene Glycol (obsolete); α,ω-Hexadecanediol; Thapsic Acid Diol; Hexadecamethylene Glycol; 16-Hydroxy-1-hexadecanol; Long-chain Diol C16
EINECS	231-791-2

Quality Control

Our 1,16-Hexadecanediol is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide Certificates of Analysis (COA) with key parameters including assay, melting point, color, and hydroxyl value. Our quality commitment supports applications requiring reliable material performance and supply chain 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. The product is hygroscopic (moisture-sensitive); ensure containers are sealed after use to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	White crystalline powder or flakes
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Melting Point	91 - 95 °C
Color (APHA)	≤ 30
Hydroxyl Value	430 - 440 mg KOH/g
Acid Value	≤ 1.0 mg KOH/g
Water Content (KF)	≤ 0.5%

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