Provisional Peer-Reviewed Toxicity Values (PPRTVs)

4,6-Dinitro-o-cresol

CASRN 534-52-1

PPRTV Toxicity Values Summary Table

Noncancer Assessment

Estimate of Chronic Reference Dose for Oral Exposure (RfD)Last Updated: 04/22/2010
See attachment to the assessment's appendix for quantitative screening values.


Estimate of Subchronic Reference Dose for Oral Exposure (RfD)Last Updated: 04/22/2010
System RfD (mg/kg-day) Basis PoD UF Confidence
Other ,
Ocular
8 x 10-4 Reduced body weight, excessive perspiration and fatigue, and elevated BMR and body temperature
Greenish-yellow coloration of the conjunctivae
LOAEL : 0.8 mg/kg-day 1000 Low
Species Studied: Human
Duration: Up to 63 days
Principal Study: Ibrahim et al. 1934



Estimate of Chronic Reference Concentration for Inhalation Exposure (RfC)Last Updated: 04/22/2010
Data are inadequate to derive a chronic RfC.


Estimate of Subchronic Reference Concentration for Inhalation Exposure (RfC)Last Updated: 04/22/2010
Data are inadequate to derive a subchronic RfC.


Cancer Assessment

Weight of Evidence for CancerLast Updated: 04/22/2010
IN - Inadequate information to assess carcinogenic potential

Provisional Peer-Reviewed Toxicity Values (PPRTVs)