What is the NOAEL for Nitrofurazone?
Nitrofurazone has 91 NOAEL studies in the database. The lowest reported value is 0.5 ug/day. Source: California Proposition 65.
Also known as: 5-Nitro-2-furaldehyde semicarbazone, Hydrazinecarboxamide, 2-[(5-nitro-2-furanyl)methylene]-, 2-Furancarboxaldehyde, 5-nitro-,semicarbazone, Actin-N, Becafurazone (+15 more)
CAS 59-87-0
Nitrofurazone (CAS 59-87-0) is a chemical substance; key hazard signal: IARC Group 3. Key regulatory status: California Proposition 65, 6 regulatory/inventory lists, cosmetic ingredient cross-reference; source data from EPA ToxValDB, EPA CPDat, IARC, CA Prop 65.
CAS, identifiers, formula, and alternate names for the matched substance record.
Carcinogenic hazard classification from IARC monograph evaluations.
| Group | Meaning | Evaluated | Volume |
|---|---|---|---|
| Group 3 | Not classifiable | 1989 | 50 |
California OEHHA listing status and toxicity category.
| Chemical | Toxicity Type | Cancer | Developmental | Listed |
|---|---|---|---|---|
| - | cancer | Yes | No | - |
Industrial and product-use categories associated with this substance.
Inventory, screening, and regulatory list matches from public chemical databases.
| List | Keyword | Source |
|---|---|---|
| pharmaceutical | US International Trade Commission | CPCat |
| Canada; pharmaceutical | DrugBank | DrugBank |
| Canada; pharmaceutical | DrugBank | DrugBank |
| active_ingredient; Australia | Australian Pesticides and Veterinary Medicines Authority | CPCat |
| OEHHA Proposition 65 (3/2019) | STATE OF CALIFORNIA ENVIRONMENTAL PROTECTION AGENCY | OEHHA Proposition 65 List |
| OEHHA Proposition 65 (1/2023) | California Office of Environmental Health Hazard Assessment | OEHHA Proposition 65 List |
Toxicology endpoints rendered from public NOAEL study rows.
| Value | Unit | Endpoint | Route | Species | Source |
|---|---|---|---|---|---|
| AB0.5 | ug/day | California Proposition 65 NSRL | - | - | California Proposition 65 |
| ABcancer | listing type | California Proposition 65 listing | - | - | California Proposition 65 |
| 0 | uL/min/10^6 cells | Clint | - | Human | NTP ICE adme parameters |
| 0.4167 | % | Concentration, 5% incidence of positive responses | Dermal | Human | NTP ICE skin sensitization |
| 0.93 | % | Concentration, 5% incidence of positive responses | Dermal | Human | NTP ICE skin sensitization |
| 1.786 | % | Concentration, 5% incidence of positive responses | Dermal | Human | NTP ICE skin sensitization |
| 1.875 | % | Concentration, 5% incidence of positive responses | Dermal | Human | NTP ICE skin sensitization |
| 2.143 | % | Concentration, 5% incidence of positive responses | Dermal | Human | NTP ICE skin sensitization |
| 2.2 | % | Concentration, 5% incidence of positive responses | Dermal | Human | NTP ICE skin sensitization |
| 2.475 | % | Concentration, 5% incidence of positive responses | Dermal | Human | NTP ICE skin sensitization |
| 3 | % | Concentration, 5% incidence of positive responses | Dermal | Human | NTP ICE skin sensitization |
| 12 | % | Concentration, 5% incidence of positive responses | Dermal | Human | NTP ICE skin sensitization |
| 31.25 | % | Concentration, 5% incidence of positive responses | Dermal | Human | NTP ICE skin sensitization |
| 99 | % | Concentration, 5% incidence of positive responses | Dermal | Human | NTP ICE skin sensitization |
| 150 | % | Concentration, 5% incidence of positive responses | Dermal | Human | NTP ICE skin sensitization |
| 0.2 | % | Concentration, one positive response | Dermal | Human | NTP ICE skin sensitization |
| 0.3333 | % | Concentration, one positive response | Dermal | Human | NTP ICE skin sensitization |
| 0.5 | % | Concentration, one positive response | Dermal | Human | NTP ICE skin sensitization |
| 0.8333 | % | Concentration, one positive response | Dermal | Human | NTP ICE skin sensitization |
| 1.429 | % | Concentration, one positive response | Dermal | Human | NTP ICE skin sensitization |
| 2 | % | Concentration, one positive response | Dermal | Human | NTP ICE skin sensitization |
| 2.5 | % | Concentration, one positive response | Dermal | Human | NTP ICE skin sensitization |
| 10 | % | Concentration, one positive response | Dermal | Human | NTP ICE skin sensitization |
| 20 | % | Concentration, one positive response | Dermal | Human | NTP ICE skin sensitization |
| 25 | % | Concentration, one positive response | Dermal | Human | NTP ICE skin sensitization |
| X8XI70B5Z6 | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| 0.856 | fraction | Fu | - | Human | NTP ICE adme parameters |
| 3 | IARC group | IARC carcinogenicity classification | - | - | IARC Monographs |
| 3 | unitless | IARC group | - | - | NTP ICE cancer |
| 0 | % | Incidence of positive responses | Dermal | Human | NTP ICE skin sensitization |
| 0.6667 | % | Incidence of positive responses | Dermal | Human | NTP ICE skin sensitization |
| 1.01 | % | Incidence of positive responses | Dermal | Human | NTP ICE skin sensitization |
| 1.075 | % | Incidence of positive responses | Dermal | Human | NTP ICE skin sensitization |
| 4.167 | % | Incidence of positive responses | Dermal | Human | NTP ICE skin sensitization |
| 8 | % | Incidence of positive responses | Dermal | Human | NTP ICE skin sensitization |
| 16.67 | % | Incidence of positive responses | Dermal | Human | NTP ICE skin sensitization |
| 22.73 | % | Incidence of positive responses | Dermal | Human | NTP ICE skin sensitization |
| 28 | % | Incidence of positive responses | Dermal | Human | NTP ICE skin sensitization |
| 58.33 | % | Incidence of positive responses | Dermal | Human | NTP ICE skin sensitization |
| 60 | % | Incidence of positive responses | Dermal | Human | NTP ICE skin sensitization |
| 66.67 | % | Incidence of positive responses | Dermal | Human | NTP ICE skin sensitization |
| 124.1 | ug/cm2 | Induction dose per skin area | Dermal | Human | NTP ICE skin sensitization |
| 139.5 | ug/cm2 | Induction dose per skin area | Dermal | Human | NTP ICE skin sensitization |
| 348.8 | ug/cm2 | Induction dose per skin area | Dermal | Human | NTP ICE skin sensitization |
| 620.7 | ug/cm2 | Induction dose per skin area | Dermal | Human | NTP ICE skin sensitization |
| 3488 | ug/cm2 | Induction dose per skin area | Dermal | Human | NTP ICE skin sensitization |
| 6207 | ug/cm2 | Induction dose per skin area | Dermal | Human | NTP ICE skin sensitization |
| 1.395e+4 | ug/cm2 | Induction dose per skin area | Dermal | Human | NTP ICE skin sensitization |
| 1.552e+4 | ug/cm2 | Induction dose per skin area | Dermal | Human | NTP ICE skin sensitization |
| 3.103e+4 | ug/cm2 | Induction dose per skin area | Dermal | Human | NTP ICE skin sensitization |
Showing 50 of 91 studies
Same-CAS cosmetic ingredient record for cross-vertical context.
Same-CAS pharmaceutical records from drug and bioactivity sources.
Same-CAS cannabis compliance and lab records where available.
1 cannabis record found in efsa substances.
View full cannabis profile →Nitrofurazone has 91 NOAEL studies in the database. The lowest reported value is 0.5 ug/day. Source: California Proposition 65.
Nitrofurazone appears on 5 regulatory/inventory lists including pharmaceutical, Canada; pharmaceutical, active_ingredient; Australia, and 2 more. Source: EPA CPDat.
Nitrofurazone is classified by IARC as Group 3 — not classifiable as to its carcinogenicity to humans (evaluated 1989). Source: IARC Monographs on the Identification of Carcinogenic Hazards to Humans.
Yes, Nitrofurazone is listed under California Proposition 65 for cancer. Source: California OEHHA Proposition 65.
Yes, Nitrofurazone is also indexed as a cosmetic ingredient under the name NITROFURAZONE. View the full cosmetic safety profile on the ingredient page for detailed safety data, SCCS opinions, and regulatory status.
Safety data is sourced from EPA ToxValDB, EPA CPDat, EPA DSSTox, IARC Monographs, California Proposition 65, CosIng / Ingredients DB, ChEMBL / DailyMed, cannabis regulatory/lab databases. All data traces to primary regulatory sources and is updated from official government databases.
Nitrofurazone also appears in cosmetics, pharmaceutical, cannabis databases.