IRIS

Cyclohexane

CASRN 110-82-7

Noncancer Assessment

Reference Dose for Oral Exposure (RfD) (PDF) (16 pp, 183 K) last updated: 09/11/2003
Information reviewed but value not estimated.

 


Reference Concentration for Inhalation Exposure (RfC) (PDF) (16 pp, 183 K) last updated: 09/11/2003

System RfC (mg/m3) Basis PoD Composite UF Confidence
Developmental 6 Reduced pup weights in the F1 and F2 generations BMCL1sd (HEC): 1822
mg/m3
300 Low/Medium

 

Cancer Assessment

Weight of Evidence for Cancer (PDF) (16 pp, 183 K) last updated: 09/11/2003

WOE Characterization Framework for WOE Characterization
Data are inadequate for an assessment of human carcinogenic potential Revised Draft Guidelines for Carcinogen Risk Assessment (US EPA, 1999)
Basis:
  • Cyclohexane is characterized as "Data are inadequate for an assessment of human carcinogenic potential" (U.S. EPA, 1999).
  • This may be a synopsis of the full weight-of-evidence narrative.

Quantitative Estimate of Carcinogenic Risk from Oral Exposure (PDF) (16 pp, 183 K)

Not assessed under the IRIS Program.

Quantitative Estimate of Carcinogenic Risk from Inhalation Exposure (PDF) (16 pp, 183 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.