Description

o-Terphenyl is a high-purity aromatic hydrocarbon widely recognized for its excellent thermal stability and chemical inertness. This compound serves as a critical component in high-performance heat transfer fluids and as a versatile chemical intermediate in advanced material synthesis. It is essential for industries requiring stable, high-temperature media, including electronics manufacturing, aerospace, and specialty chemical production.

Application

• Primary component in high-temperature heat transfer fluids and thermal oils.
• Chemical intermediate for the synthesis of advanced polymers and liquid crystals.
• Used as a scintillator solvent in radiation detection and measurement equipment.
• Employed in high-temperature lubricants and specialty greases.
• Acts as a standard or reference material in gas chromatography and analytical chemistry.
• Utilized in organic synthesis for the preparation of more complex polyaromatic systems.
• Potential use as a component in dielectric fluids and insulating materials.

Basic Information

Item	Detail
Product Name	o-Terphenyl
CAS No.	84-15-1
Molecular Formula	C18H14
Molecular Weight	230.30 g/mol
Synonyms	1,2-Diphenylbenzene; 2-Phenylbiphenyl; o-Triphenyl; ortho-Terphenyl; o-Diphenylbenzene; NSC 6175; 2-Biphenylylbenzene; 1,1':2',1''-Terphenyl
EINECS	201-517-3

Quality Control

Our o-Terphenyl is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Products undergo rigorous analytical testing, including chromatography and spectroscopy, to meet precise customer specifications. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials. Recommended storage temperature is between 15°C and 25°C. Keep container tightly sealed when not in use to prevent contamination and moisture absorption.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 99.0%
Melting Point	54 - 58 °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.