Diammonium phosphate

Provisional Peer-Reviewed Toxicity Values (PPRTVs)

CASRN 7783-28-0

Provisional Peer-Reviewed Toxicity Values for Ammonium Salts of Inorganic Phosphates: Monoammonium Phosphate (MAP) | Diammonium Phosphate (DAP)

PPRTV Toxicity Values Summary Table

Noncancer Assessment

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

Estimate of Subchronic Reference Dose for Oral Exposure (RfD)Last Updated: 09/09/2021

System	RfD (mg/kg-day)	Basis	PoD	UF	Confidence
Gastrointestinal	9 x 10^-2	Submucosal inflammation in stomach	BMDL₁₀(HED) : 27.7 mg/kg-day	300

Species Studied: Rats/Both
Principal Study: Huntingdon (2002) as cited in OECD (2007b) and ECHA (2002)
Note: See attachment to the assessment's appendix for quantitative screening values.

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

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

Cancer Assessment

Weight of Evidence for CancerLast Updated: 09/09/2021
IN - Inadequate information to assess carcinogenic potential

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

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