Provisional Peer-Reviewed Toxicity Values (PPRTVs)

2-Methylnaphthalene

CASRN 91-57-6

PPRTV Toxicity Values Summary Table

Noncancer Assessment

Estimate of Chronic Reference Dose for Oral Exposure (RfD)Last Updated: 09/18/2007
Please see IRIS.


Estimate of Subchronic Reference Dose for Oral Exposure (RfD)Last Updated: 09/18/2007
System RfD (mg/kg-day) Basis PoD UF Confidence
Respiratory 4 x 10-3 Pulmonary alveolar proteinosis BMD : 4.7 mg/kg-day 1000 Low
Species Studied: Mouse
Duration: 81 weeks
Principal Study: Murata et al. 1997
Note: The chronic RfD from IRIS was selected as the subchonic RfD



Estimate of Chronic Reference Concentration for Inhalation Exposure (RfC)Last Updated: 09/18/2007
Data inadequate for deriving a chronic RfC.


Estimate of Subchronic Reference Concentration for Inhalation Exposure (RfC)Last Updated: 09/18/2007
Data inadequate for deriving a subchronic RfC.


Cancer Assessment

Weight of Evidence for CancerLast Updated: 09/18/2007
Please see IRIS.

Provisional Peer-Reviewed Toxicity Values (PPRTVs)