Merphos
CASRN 150-50-5 | DTXSID6024173
- IRIS Summary (PDF) (8 pp, 92 K)
- Status: EPA announced in a 2004 Federal Register Notice that chemicals used as pesticides would not be re-assessed by the IRIS Program. This entry in the IRIS database is preserved at the request of EPA program and regional offices. Additional toxicological information may be found under "Other EPA Information."
Noncancer Assessment
Reference Dose for Oral Exposure (RfD) (PDF)
(8 pp, 92 K)
Last Updated: 09/07/1988
| System | RfD (mg/kg-day) | Basis | PoD | Composite UF | Confidence |
|---|---|---|---|---|---|
| Nervous, Other | 3 x 10 -5 | Ataxia, delayed neurotoxicity and weight loss |
NOEL
:
1
x 10-1 mg/kg-day |
3000 | Low |
Reference Concentration for Inhalation Exposure (RfC) (PDF)
(8 pp, 92 K)
Last Updated: 11/01/1992
Information reviewed but value not estimated.
Cancer Assessment
Weight of Evidence for Cancer (PDF)
(8 pp, 92 K)
Not assessed under the IRIS Program.
Quantitative Estimate of Carcinogenic Risk from Oral Exposure (PDF) (8 pp, 92 K)
Not assessed under the IRIS Program.
Quantitative Estimate of Carcinogenic Risk from Inhalation Exposure (PDF) (8 pp, 92 K)
Not assessed under the IRIS Program.
- 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.
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