Hydrogenated terphenyl
[CAS 61788-32-7]

Identification

• Classification: Inorganic chemical industry >> Inorganic salt >> Hydride, nitride, azide >> Hydride
• Name: Hydrogenated terphenyl
• Synonyms: Terphenyl Hydrogenated
• Molecular Formula: C₁₈H₂₂
• Molecular Weight: 238.37
• CAS Registry Number: 61788-32-7
• EC Number: 262-967-7
• SMILES: C1=CC(c2ccc(C3CC=CCC3)cc2)CCC1

Properties

• Boiling point: 340 °C

Safety Data

• Hazard Symbols: GHS07 Warning
• Risk Statements: H302-H315-H319-H335
• Safety Statements: P280-P305+P351+P338

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Chronic hazardous to the aquatic environment	Aquatic Chronic	4	H413
Chronic hazardous to the aquatic environment	Aquatic Chronic	1	H410
Acute hazardous to the aquatic environment	Aquatic Acute	1	H400
Chronic hazardous to the aquatic environment	Aquatic Chronic	2	H411

chemBlink Chemical Story

Hydrogenated terphenyl matters because hydrogenated terphenyl is an industrial mixture rather than one discrete molecule, engineered for thermal stability and a useful liquid range in heat-transfer service. This connection between molecular structure and observable behavior is more informative than a simple list of uses. CAS 61788-32-7 identifies the substance in this chemBlink record, while its practical significance comes from the way its functional groups, composition, or material structure control reactivity and physical properties.

The broader lesson is that chemical identity alone does not determine performance. Conditions such as pH, temperature, formulation, concentration, molecular distribution, or biological environment can decide whether the same underlying chemistry is useful, inactive, or hazardous. For chemists, Hydrogenated terphenyl is therefore a useful case study in connecting molecular-scale behavior with a real laboratory, industrial, biological, or materials-science outcome.

References: ECHA/OECD identity records, CAS 61788-32-7; heat-transfer-fluid literature

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