Description

(2-Hydroxy-4-Octadecyloxy-Phenyl)-Phenyl-Methanone is a specialized organic compound belonging to the class of benzophenone derivatives, valued for its light-absorbing and stabilizing properties. This chemical is a critical component for enhancing the durability and performance of materials exposed to ultraviolet (UV) radiation. It is primarily required by manufacturers in the polymer, coatings, and specialty chemical industries seeking to protect their products from photodegradation.

Application

• As a light stabilizer (UV absorber) in polyolefins (PP, PE) and other polymers to prevent chain scission and color fading.
• As a key additive in protective coatings, paints, and varnishes to improve weatherability and gloss retention.
• In the formulation of adhesives and sealants to maintain integrity and performance under prolonged sunlight exposure.
• For the stabilization of engineering plastics used in automotive parts, outdoor furniture, and construction materials.
• As a functional intermediate in the synthesis of advanced photoactive materials and specialty chemicals.
• Potential use in cosmetic and personal care formulations requiring specific UV-filtering properties, subject to regulatory approval.

Basic Information

Product Name	(2-Hydroxy-4-Octadecyloxy-Phenyl)-Phenyl-Methanone
CAS No.	3457-13-4
Molecular Formula	C₃₁H₄₆O₃
Molecular Weight	466.70 g/mol
Synonyms	2-Hydroxy-4-octadecyloxybenzophenone; Octadecyl 2-hydroxy-4-(phenylcarbonyl)phenyl ether; UV Absorber OBP; Benzophenone-12 (related analog); Light Stabilizer 12; 4-Octadecyloxy-2-hydroxybenzophenone; 2-Hydroxy-4-(octadecyloxy)benzophenone; (2-Hydroxy-4-(stearyloxy)phenyl)(phenyl)methanone
EINECS	222-400-6

Quality Control

Our production of (2-Hydroxy-4-Octadecyloxy-Phenyl)-Phenyl-Methanone adheres to stringent quality management protocols. Every batch undergoes rigorous analytical testing to ensure high purity, consistent performance, and compliance with relevant industry specifications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and physical parameters is provided with each shipment to guarantee traceability and quality assurance for our global B2B clients.

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 heat, open flames, and incompatible materials. Due to its light-sensitive nature, containers should be kept in opaque packaging or dark storage conditions.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	47 - 52 °C
Loss on Drying	≤ 0.5%
Heavy Metals (as Pb)	≤ 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.