1,2,4-Tribromobenzene

CASRN 615-54-3

  • IRIS Summary (PDF) (6 pp, 85 K)
  • Status: 1,2,4-Tribromobenzene is not being reassessed by IRIS at this time.

Health Hazard Assessments for Effects Other than Cancer


Reference Dose for Oral Exposure (RfD) (PDF) (6 pp, 85 K) last updated: 03/31/1987

RfD (mg/kg-day) System Basis PoD Composite UF Confidence
5 x10-3 Hepatic Increased liver-to-body weight ratio and hepatic microsomal enzyme induction NOAEL : 5
mg/kg-day
1000 Low

Reference Concentration for Inhalation Exposure (RfC) (PDF) (6 pp, 85 K)
Not assessed under the IRIS Program.

Cancer Assessment


Weight of Evidence for Cancer (PDF) (6 pp, 85 K)
Not assessed under the IRIS Program.

Quantitative Estimate of Carcinogenic Risk from Oral Exposure (PDF) (6 pp, 85 K)

Not assessed under the IRIS Program.

Quantitative Estimate of Carcinogenic Risk from Inhalation Exposure (PDF) (6 pp, 85 K)

Not assessed under the IRIS Program.

You will need Adobe Reader to view some of the files on this page. See EPA’s PDF page to learn more.