Nitrate
CASRN 14797-55-8 | DTXSID5024217
- IRIS Summary (PDF) (12 pp, 106 K)
- Status: Development of the nitrate (re)assessment has been suspended .
Noncancer Assessment
Reference Dose for Oral Exposure (RfD) (PDF)
(12 pp, 106 K)
Last Updated: 05/01/1991
System | RfD (mg/kg-day) | Basis | PoD | Composite UF | Confidence |
---|---|---|---|---|---|
Hematologic | 1.6 | Early clinical signs of methemoglobinemia in excess of 10% (0-3 months old infants formula) |
NOAEL
:
1.6
mg/kg-day |
1 | High |
Reference Concentration for Inhalation Exposure (RfC) (PDF)
(12 pp, 106 K)
Not assessed under the IRIS Program.
Cancer Assessment
Weight of Evidence for Cancer (PDF)
(12 pp, 106 K)
Not assessed under the IRIS Program.
Quantitative Estimate of Carcinogenic Risk from Oral Exposure (PDF) (12 pp, 106 K)
Not assessed under the IRIS Program.
Quantitative Estimate of Carcinogenic Risk from Inhalation Exposure (PDF) (12 pp, 106 K)
Not assessed under the IRIS Program.
Program Outlook Details
Public Assessment Materials | Date |
---|---|
Problem Formulation Materials/IRIS Assessment Plan | Sep-2017 |
Suspended | Dec-2018 |
Note: The nitrate (re)assessment was suspended in Dec-2018, but may be restarted as Agency priorities change.
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