Terphenyl

Independent reference data for Terphenyl (CAS 26140-60-3), compiled from public chemistry databases.

Registry identifiers across databases

Computed descriptors

Physicochemical values on record

Documented uses on record

Terphenyl mixtures are used as heat transfer media, dye carriers, and in the production of lubricants; [ACGIH]Terphenyl mixtures are used industrially as heat storage and transfer agents, as textile dye carriers, and as intermediates in the production of nonspreading lubricants. From 1960-1970, technical grade terphenyls were used as coolants for nuclear reactors, whereas contemporary use has been in solar-heating systems. /Terphenyl mixtures/

Synonyms and trade names

M-TERPHENYL; 1,3-Diphenylbenzene; 1,1':3',1''-Terphenyl; 92-06-8; m-Diphenylbenzene; m-Triphenyl; 1,3-Terphenyl; Isodiphenylbenzene; Terphenyls; meta-terphenyl; 3-Phenylbiphenyl; 1,1'-Biphenyl, 3-phenyl-; Diphenylbenzene; Gilotherm OM 2; NSC 6808; Benzene, m-diphenyl-

Regulatory listings held on file

Regulatory & Food Contact	FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS
GHS notification summary	6.2% (3 / 48)

GHS hazard classification

GHS notification summary	6.2% (3 / 48)
Reported hazard statements	H317 (13.6%), H400 (91.2%), H410 (99.9%), H315 (93.8%), H319 (93.8%), H335 (91.7%)

H317 (13.6%): May cause an allergic skin reaction [Warning Sensitization, Skin]

H400 (91.2%): Very toxic to aquatic life [Warning Hazardous to the aquatic environment, acute hazard]

What the public record says

Terphenyl · CAS 26140-60-3 · C18H14. UNII WOI2PSS0KX. Boiling Point: 689 °F at 760 mmHg (NIOSH, 2024); Boiling Point: 363 °C AT 760 MM HG; Boiling Point: 630 °F.

Physical description and handling notes

Source: PubChem / Wikidata; the batch COA governs where values differ.