Description

4-Hydroxydiphenylamine Isopropyl Ether is a versatile chemical intermediate and antioxidant known for its stabilizing properties. This compound is critical for enhancing the longevity and performance of materials by inhibiting oxidative degradation. It is primarily utilized by manufacturers in the polymer, rubber, and specialty chemical industries seeking to improve product stability and shelf life.

Application

• Polymer Stabilizer: Acts as an antioxidant and light stabilizer in plastics and synthetic resins to prevent thermal and UV-induced degradation.
• Rubber Industry: Used as an antiozonant and antioxidant in the production of synthetic rubber and tires to extend service life.
• Lubricant Additive: Incorporated into industrial oils and greases to inhibit oxidation and maintain viscosity under high-temperature conditions.
• Fuel Additive: Serves as a stabilizer in gasoline and other fuels to prevent gum formation and oxidation during storage.
• Chemical Synthesis: Functions as a key intermediate in the production of more complex antioxidants, dyes, and pharmaceutical agents.
• Adhesives and Sealants: Enhances the durability and resistance to aging in adhesive formulations.

Basic Information

Product Name	4-Hydroxydiphenylamine Isopropyl Ether
CAS No.	101-73-5
Molecular Formula	C₁₅H₁₇NO
Molecular Weight	227.30 g/mol
Synonyms	4-(Isopropoxy)diphenylamine; N-Phenyl-N-(4-isopropoxyphenyl)amine; p-Isopropoxydiphenylamine; Antioxidant 688; Antigene P; Stabilizer 688; Diphenylamine, 4-isopropoxy-; 4-Isopropoxydiphenylamine
EINECS	202-974-5

Quality Control

Our 4-Hydroxydiphenylamine Isopropyl Ether is manufactured under a strict quality management system to ensure batch-to-batch consistency and high purity. All products undergo rigorous analytical testing, including HPLC and GC analysis, to verify identity, potency, and impurity profiles. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment to guarantee compliance with your technical requirements.

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 sources and incompatible materials. The product is light-sensitive and should be stored away from light.

Specification

Item	Specification
Appearance	White to light yellow crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Melting Point	80 - 84 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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