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Nitroglycerin (CASRN 55-63-0)

Chemical Information
Chemical Information provided by RAIS

  PPRTV Derivation Support Document


PPRTV information

File Date August 22, 2006

Category Status
Oral Chronic RfD On-line
Oral Subchronic RfD On-line
Inhalation Chronic RfC On-line
Inhalation Subchronic RfC On-line
Oral Carcinogenicity On-line
EPA Cancer Classification On-line
Reference Dose for Chronic Oral Exposure (RfD)
Effect Level UF RfD Species Route Duration RfD Confidence
LOAEL  .036  mg/kg-day 300 1E-4  mg/kg-day Human Oral: therapeutic   Low-to-medium
Target Critical Effect
Blood Acute adverse effects related to vasodilation

NOTE: LOAEL is the lowest prescribed therapeutic oral dose administered as sustained- or extended-release for 6-8 hours.

Principal Study:      Katzung and Chatterjee 2001, Kerins et al. 2001


Reference Dose for Subchronic Oral Exposure (SRfD)
Effect Level UF SRfD Species Route Duration SRfD Confidence
LOAEL  .036  mg/kg-day 300 1E-4  mg/kg-day Human Oral: therapeutic   Low-to-medium
Target Critical Effect
Blood Acute adverse effects related to vasodilation

NOTE: LOAEL is the lowest prescribed therapeutic oral dose administered as sustained- or extended-release for 6-8 hours.

Principal Study:      Katzung and Chatterjee 2001, Kerins et al. 2001


Reference Concentration for Chronic Inhalation Exposure (RfC)

NOTE: Data inadequate for deriving a chronic RfC.


Reference Concentration for Subchronic Inhalation Exposure (SRfC)

NOTE: Data inadequate for deriving a subchronic RfC.


Quantitative Estimate of Carcinogenic Risk from Oral Exposure
Target Cancer Unit Risk Slope Factor Species Route Duration
Liver Hepatocellular tumors    1.7E-2  (mg/kg-day)-1 Rat Oral 24 months

NOTE: Based on the LED10

Principal Study:      Ellis et al. 1984


Carcinogenicity Assessment for Lifetime Exposure

Weight of Evidence Characterization

LI - Likely to be carcinogenic to humans


References

U.S. EPA. 2006. Provisional Peer Reviewed Toxicity Values for Nitroglycerin (CASRN 55-63-0). 8-22-2006.