Description

5-Undecyl-1,3-Benzenediol is a synthetic alkylated resorcinol derivative, a member of the phenolic compound class. This specialty chemical is valued for its dual functionality, combining the antioxidant and antimicrobial properties of the phenolic core with the lipophilic character of the long alkyl chain. It serves as a critical intermediate and functional additive in advanced material science and personal care formulations. Key industries that utilize this compound include polymer manufacturing, cosmetics, and industrial preservative systems.

Application

• As a polymer stabilizer and antioxidant in plastics and synthetic rubbers to prevent thermal and oxidative degradation.
• As a key intermediate in organic synthesis for producing more complex surfactants, liquid crystals, or pharmaceutical actives.
• As a functional additive in cosmetic formulations, particularly in sunscreens and anti-aging products, for its potential UV-absorbing and antioxidant properties.
• As a preservative or antimicrobial agent in industrial fluids, coatings, and adhesives.
• In material science research for developing novel monomers with specific hydrophobic and reactive characteristics.
• As a standard or reference compound in analytical chemistry and quality control laboratories.

Basic Information

Item	Detail
Product Name	5-Undecyl-1,3-Benzenediol
CAS No.	34155-91-4
Molecular Formula	C17H28O2
Molecular Weight	264.40 g/mol
Synonyms	5-Undecylresorcinol; 1,3-Dihydroxy-5-undecylbenzene; 5-n-Undecylresorcinol; Undecylresorcinol; m-Dihydroxy-5-undecylbenzene; 5-Pentylhexylresorcinol (structural); Resorcinol, 5-undecyl-
EINECS	Contact for details

Quality Control

Our 5-Undecyl-1,3-Benzenediol is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with every shipment, which includes data from techniques such as HPLC, GC, and NMR. Our quality commitment ensures the material meets the stringent requirements for research and industrial applications.

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 bases. For long-term storage, consider an inert atmosphere to minimize potential oxidation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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