C18H14
230.3 g/mol
Industrial ChemicalWarning
O-TERPHENYL
CAS84-15-1EC201-517-6
Category
Industrial Chemical
Compound Class
Aromatic
Primary Use
heat transfer fluid component
o-Terphenyl is an aromatic hydrocarbon consisting of a central benzene ring with two phenyl substituents in the ortho positions. It is primarily used as a component in heat transfer fluids due to its thermal stability.
heat transfer fluid component
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
ApplicationSame Use
Dibenzyltoluene
CAS26898-17-9
heat transfer fluid component
ReferenceSame Category
2-ethylanthraquinone
CAS84-51-5
Hydrogen peroxide production intermediate
ReferenceSame Category
Diphenyl phthalate
CAS84-62-8
plasticizer intermediate
ReferenceSame Category
Diethyl phthalate
CAS84-66-2
Plasticizer for polymer flexibility
ReferenceSame Category
Diisobutyl phthalate
CAS84-69-5
Plasticizer for PVC formulations
Referencestereoisomer of
O-TERPHENYL-D14
CAS5142-67-6
research compound
Referencesame scaffold
1⁴,3⁴-Dibromo-1¹,2¹:2²,3¹-terphenyl
CAS24253-43-8
organic synthesis intermediate
Safety Reference
Warning
H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
H400Very toxic to aquatic life
H331Toxic if inhaled
Customs Tariff Classification
The international HS code for O-TERPHENYL (CAS 84-15-1) is 2902.90.
HS code (international, 6-digit)
2902.90
EU CN code (8-digit)
2902 90 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
1,2-diphenylbenzene
InChIKey
OIAQMFOKAXHPNH-UHFFFAOYSA-N
SMILES
C1=CC=C(C=C1)C2=CC=CC=C2C3=CC=CC=C3
Synonyms (13)
- 1,1'-Biphenyl, 2-phenyl-
- 1,2-Diphenylbenzene
- 1,2-Terphenyl
- 2-Phenylbiphenyl
- O-TERPHENYL
- TERPHENYL, O-
- o-DIPHENYLBENZENE
- o-Triphenyl
- ortho-terphenyl
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