Description

N,N,N'-Triphenyl-4-Phenylenediamine is a high-purity aromatic amine derivative, recognized for its role as an effective antioxidant and stabilizer. This compound is critical for protecting materials from oxidative degradation, thereby extending their functional lifespan and performance. It is primarily sought by manufacturers in the polymer, rubber, and specialty chemical industries for applications requiring robust stabilization against heat and light.

Application

• Primary antioxidant and anti-ozonant in the production of synthetic rubbers and elastomers.
• Stabilizer and antioxidant additive in lubricating oils and greases to prevent oxidation and sludge formation.
• Key intermediate in the synthesis of advanced dyes, pigments, and photographic chemicals.
• Stabilizing agent for polymers and plastics, particularly in applications exposed to high temperatures.
• Component in corrosion inhibitor formulations for industrial fluids.
• Used in research and development of novel organic electronic materials due to its conjugated structure.

Basic Information

Product Name	N,N,N'-Triphenyl-4-Phenylenediamine
CAS No.	19606-98-5
Molecular Formula	C30H24N2
Molecular Weight	412.53 g/mol
Synonyms	N,N,N'-Triphenyl-p-phenylenediamine; 4-(Diphenylamino)-N,N-diphenylbenzene-1,4-diamine; N,N,N'-Triphenyl-1,4-phenylenediamine; Antioxidant TPPD; TPPD; 1,4-Benzenediamine, N,N,N'-triphenyl-; N,N-Bis(phenyl)-N'-(4-aminophenyl)-1,4-benzenediamine
EINECS	243-196-0

Quality Control

Our N,N,N'-Triphenyl-4-Phenylenediamine is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including assay, impurity profile, and physical characterization, to ensure it meets the high standards required for industrial and research applications. A Certificate of Analysis (COA) detailing all test results is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is easily oxidized; for long-term storage, consider an inert atmosphere. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Light gray to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	185 - 190 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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