Nitrate
CASRN 14797-55-8 | DTXSID5024217
- IRIS Summary (PDF) (12 pp, 106 K)
- Status: Nitrate is in step 1 at this time; see Quick Check.
On this page:
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 |
| Preliminary Assessment Materials/Systematic Review Protocol | Oct-2023 |
| Public Comment | TBD |
| External Peer Review | TBD |
| Post Final Assessment | TBD |
Note: Any future dates displayed in the table above should be considered estimates and are subject to change. Once the external peer review is complete, estimated dates for release of the final assessment will be published. For the latest information on the status of this assessment, please refer to the IRIS Program Outlook. To access assessment documents, meeting materials or other supporting documents related to this assessment, see the list of Chemical Documents. For more information about the development process, visit the IRIS Process page.
Chemical Documents
Other EPA Information
- Human Health Benchmarks for Pesticides (HHBP). This database provides human health benchmarks for pesticides that may be present in drinking water.
- Office of Pesticide Programs Pesticide Chemical Search. This database provides links to health effects information and registration status for pesticides.
- Chemistry Dashboard. This database provides information on chemical structures, experimental and predicted physicochemical, and toxicity data.
Quick Check
Related Links
Critical Effects
Chemical Structure
Synonyms
- Nitrate
- Nitric acid, ion(1-)
- 14797-55-8