Hydrogenated terphenyls

Agent Name
Hydrogenated terphenyls
CAS Number
61788-32-7
Major Category
Other Classes
Synonyms
Hydrogenated diphenylbenzenes; Hydrogenated phenylbiphenyls; Hydrogenated triphenyls; [NIOSH]
Category
Terphenyls
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]
Biomedical References

Exposure Assessment

Skin Designation (ACGIH)
Insufficient data
TLV (ACGIH)
0.5 ppm
Explanatory Notes
Structure in database is m-terphenyl (92-06-8); Flash point = 315 deg F (40% hydrogenated);

Adverse Effects

Hepatotoxin
Hepatoxic (a) from occupational exposure (secondary effect) or (b) in animal studies or in humans after ingestion
Nephrotoxin
Yes

Diseases, Processes, and Activities Linked to This Agent

Other Information
No other related information on this agent was found.