What is the NOAEL for Niacinamide?
Niacinamide has 14 NOAEL studies in the database. The lowest reported value is 43.75 mg/m3 via inhalation in Human. Source: ToxValDB_GESTIS_DNEL.
Also known as: Nicotinamide, 3-Pyridinecarboxamide, Nam, EINECS 202-713-4, Pyridine, 3-carbamoyl- (+15 more)
CAS 98-92-0
Niacinamide (CAS 98-92-0) is a chemical substance. Key regulatory status: REACH registered, 9 regulatory/inventory lists, cosmetic ingredient cross-reference; source data from EPA ToxValDB, EPA CPDat, AICIS, ECHA REACH, ILO ICSC.
CAS, identifiers, formula, and alternate names for the matched substance record.
International Chemical Safety Card hazard and exposure summary.
| Field | Value |
|---|---|
| GHS Signal Word | WARNING |
| GHS Hazard Statements | Causes eye irritation |
| Short-term Effects | The substance is irritating to the eyes. |
Industrial and product-use categories associated with this substance.
Inventory, screening, and regulatory list matches from public chemical databases.
| List | Keyword | Source |
|---|---|---|
| food_additive; Substances Added to Food (formerly EAFUS) (2/2019) | FDA | United States Food and Drug Administration (FDA) |
| Canada; consumer_product; Substances in Products - Canada (4/2014) | Government of Canada | CPCat |
| inert_ingredient; non_food_use; Pesticides | EPA | CPCat |
| pharmaceutical | US International Trade Commission | CPCat |
| Europe; supplements | EU | CPCat |
| Europe; food_additive; supplements | EU | CPCat |
| Canada; pharmaceutical | DrugBank | DrugBank |
| Canada; pharmaceutical | DrugBank | DrugBank |
| inert_ingredient; non_food_use; Pesticides | EPA | CPCat |
Toxicology endpoints rendered from public NOAEL study rows.
| Value | Unit | Endpoint | Route | Species | Source |
|---|---|---|---|---|---|
| =43.75 | mg/m3 | DNEL systemic | inhalation | Human | ToxValDB_GESTIS_DNEL |
| 25X51I8RD4 | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| 25X51I8RD4 | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| 25X51I8RD4 | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| 25X51I8RD4 | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| =3500 | mg/kg bw | LD50 | oral | Rat | NTP_ICE_acute_oral |
| =5500 | mg/kg bw | LD50 | oral | Rat (Male/Female) | NTP_ICE_acute_oral |
| <7100 | mg/kg bw | LD50 | oral | Rat (Male/Female) | NTP_ICE_acute_oral |
| - | unitless | Model Score | - | - | NTP_ICE_endocrine |
| =215 | mg/kg bw/day | NOAEL | oral | Rat | ToxValDB_HESS |
| 400 | mg/kg bw/day | NOAEL | oral | rat | COSMOS_DB |
| 600 | mg/kg bw/day | NOAEL | oral | rabbit | COSMOS_DB |
| 800 | mg/kg bw/day | NOAEL | oral | guinea pig | COSMOS_DB |
| 1000 | mg/kg bw/day | NOAEL | oral | rat | COSMOS_DB |
Showing 14 of 14 studies
Registration status from the ECHA REACH registered substances database.
| Status | Name | EC Number | Link |
|---|---|---|---|
| Registered | Nicotinamide | 202-713-4 | ECHA overview → |
Australian industrial chemicals inventory status and applicable conditions.
Same-CAS cosmetic ingredient record for cross-vertical context.
Same-CAS pharmaceutical records from drug and bioactivity sources.
Same-CAS food additive, ADI, and GRAS records where available.
1 food-safety record found.
View full food safety profile →Same-CAS cannabis compliance and lab records where available.
1 cannabis record found in efsa substances.
View full cannabis profile →Niacinamide has 14 NOAEL studies in the database. The lowest reported value is 43.75 mg/m3 via inhalation in Human. Source: ToxValDB_GESTIS_DNEL.
Niacinamide appears on 7 regulatory/inventory lists including food_additive; Substances Added to Food (formerly EAFUS) (2/2019), Canada; consumer_product; Substances in Products - Canada (4/2014), inert_ingredient; non_food_use; Pesticides, and 4 more. Source: EPA CPDat.
Yes, Niacinamide is also indexed as a cosmetic ingredient under the name Niacinamide. 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, AICIS (Australian Industrial Chemicals Introduction Scheme), EPA DSSTox, ECHA REACH, ILO/WHO ICSC, CosIng / Ingredients DB, ChEMBL / DailyMed, EFSA / FDA GRAS, cannabis regulatory/lab databases. All data traces to primary regulatory sources and is updated from official government databases.
Niacinamide also appears in cosmetics, pharmaceutical, food safety, cannabis databases.