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]

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

Hepatotoxin, Secondary

Nephrotoxin

Yes

Links to Other NLM Databases
Toxicity Information

Search TOXNET

Chemical Information

Search ChemIDplus

Related Information in HazMap
Other Information

No other related information on this agent was found.