Provisional Peer-Reviewed Toxicity Values (PPRTVs)

Dicalcium phosphate

CASRN 7757-93-9

PPRTV Toxicity Values Summary Table

Noncancer Assessment

Estimate of Chronic Reference Dose for Oral Exposure (RfD)Last Updated: 09/24/2021
Not determined


Estimate of Subchronic Reference Dose for Oral Exposure (RfD)Last Updated: 09/24/2021
System RfD (mg/kg-day) Basis PoD UF Confidence
8 No treatment - related effects NOAEL(HED) : 240 mg/kg-day 30
Species Studied: Rat/Both
Principal Study: NIER (2007) as cited in OECD (2012); NIER (2009,2010) as cited in OECD (2011a)
Note: See attachment to the assessment's appendix for quantitative screening values.



Estimate of Chronic Reference Concentration for Inhalation Exposure (RfC)Last Updated: 09/24/2021
Not determined


Estimate of Subchronic Reference Concentration for Inhalation Exposure (RfC)Last Updated: 09/24/2021
Not determined


Cancer Assessment

Weight of Evidence for CancerLast Updated: 09/24/2021
IN - Inadequate Information to Assess Carcinogenic Potential


Estimate of Carcinogenic Risk from Oral ExposureLast Updated: 09/24/2021
Not determined


Estimate of Carcinogenic Risk from Inhalation ExposureLast Updated: 09/24/2021
Not determined

Provisional Peer-Reviewed Toxicity Values (PPRTVs)