Agent Name
Hydrogenated terphenyls
Major Category
Other Classes
Synonyms
Hydrogenated diphenylbenzenes; Hydrogenated phenylbiphenyls; Hydrogenated triphenyls; [NIOSH]
Description
Clear, oily, pale-yellow liquids with a faint odor. [plasticizer/heat-transfer media]; [NIOSH]
Sources/Uses
Terphenyl mixtures are used as heat transfer media, dye carriers, and in the production of lubricants; "Since 1979, the bulk of domestic terphenyl production has been directed towards the synthesis of partially hydrogenated terphenyls." [ACGIH]
Comments
Complex mixture of terphenyl isomers that are partially hydrogenate; [NIOSH] Subchronic feeding studies in rats: kidney injury; Workers complained of eye and respiratory irritation after inhaling vapors of heated terphenyls. [ACGIH] A skin, eye, and respiratory tract irritant; May cause kidney and liver injury; [ICSC]
Skin Designation (ACGIH)
Insufficient data
Explanatory Notes
Structure in database is m-terphenyl (92-06-8); Flash point = 315 deg F (40% hydrogenated);
Hepatotoxin
Hepatoxic (a) from occupational exposure (secondary effect) or (b) in animal studies or in humans after ingestion
Other Information
No other related information on this agent was found.