Maleic hydrazide
CASRN 123-33-1 | DTXSID9020792
- IRIS Summary (PDF) (7 pp, 90 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."
On this page:
Noncancer Assessment
Reference Dose for Oral Exposure (RfD) (PDF) (7 pp, 90 K) Last Updated: 03/31/1987
System | RfD (mg/kg-day) | Basis | PoD | Composite UF | Confidence |
---|---|---|---|---|---|
Urinary | 5 x 10 -1 | Renal dysfunction |
LEL
:
5.00
x 102
mg/kg-day |
1000 | Medium |
Reference Concentration for Inhalation Exposure (RfC) (PDF) (7 pp, 90 K)
Not assessed under the IRIS Program.
Cancer Assessment
Weight of Evidence for Cancer (PDF)
(7 pp, 90 K)
Not assessed under the IRIS Program.
Quantitative Estimate of Carcinogenic Risk from Oral Exposure (PDF) (7 pp, 90 K)
Not assessed under the IRIS Program.
Quantitative Estimate of Carcinogenic Risk from Inhalation Exposure (PDF) (7 pp, 90 K)
Not assessed under the IRIS Program.
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.
Critical Effects
Chemical Structure
Synonyms
- Burtolin
- Chemform
- De-cut
- De-sprout
- Drexel-Super P
- ENT 18,870
- Fair 30
- Fair PS
- KMH
- MAH
- MH
- MH 30
- MH 36 bayer
- MH-40
- Maintain 3
- Malazide
- Maleic acid hydrazide
- Maleic hydrazide
- Maleic hydrazide 30%
- Maleic hydrazine
- Malein 30
- Maleinsaeurehydrazid
- RCRA Waste Number U148
- Regulox
- Regulox 50 w
- Regulox w
- Retard
- Royal mh-30
- Royal slo-gro
- Slo-gro
- Sprout-stop
- Sprout/off
- Stuntman
- Sucker-stuff
- Super sprout stop
- Super sucker-stuff
- Super-de-sprout
- Vondalhyde
- Vondrax
- n,n-Maleoylhydrazine
- 1,2,3,6-Tetrahydro-3,6-dioxopyridazine
- 1,2-Dihydro-3,6-pyradizinedione
- 1,2-Dihydropyridazine-3,6-dione
- 123-33-1
- 3,6-Pyridazinedione, 1,2-dihydro-
- 6-Hydroxy-3(2h)-pyridazinone