Paclobutrazol

CASRN 76738-62-0

IRIS Summary (PDF) (7 pp, 87 K)
Status: Paclobutrazol is not being reassessed by IRIS at this time.

Key IRIS Values

Health Hazard Assessments for Effects Other than Cancer

Reference Dose for Oral Exposure (RfD) (PDF) (7 pp, 87 K) last updated: 03/31/1987

RfD (mg/kg-day)	System	Basis	PoD	Composite UF	Confidence
1.3 x10^-2	Hepatic	Elevated liver weights, serum cholesterol, hepatic aminopyrine N-demethylase activity, and alanine transaminase levels	NOEL : 1.25 x10¹ mg/kg-day	1000	Medium

Reference Concentration for Inhalation Exposure (RfC) (PDF) (7 pp, 87 K)
Not assessed under the IRIS Program.

Cancer Assessment

Weight of Evidence for Cancer (PDF) (7 pp, 87 K)
Not assessed under the IRIS Program.

Quantitative Estimate of Carcinogenic Risk from Oral Exposure (PDF) (7 pp, 87 K)

Not assessed under the IRIS Program.

Quantitative Estimate of Carcinogenic Risk from Inhalation Exposure (PDF) (7 pp, 87 K)

Not assessed under the IRIS Program.

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