What is the NOAEL for Violacein?
Violacein has 4 NOAEL studies in the database. The lowest reported value is QJH0DSQ3SG UNII. Source: openFDA substances.
NOAEL Data
Cosmetic Ingredient
Violacein
Also known as: 3-(2-(5-Hydroxyindol-3-yl)-5-oxo-2-pyrrolin-4-ylidene)-2-indolinone, Oxindole, 3-(2-(5-hydroxyindol-3-yl)-5-oxo-2-pyrrolin-4-ylidene)-
CAS 548-54-9
Violacein (CAS 548-54-9) is a chemical substance. Key regulatory status: cosmetic ingredient cross-reference; source data from EPA ToxValDB, EPA CPDat.
SOURCE
noael studies public
NOAEL studies
4
SOURCE
chemical inventory jurisdictions
Regulatory lists
0
SOURCE
eu clp annex vi
GHS signal
Not classified
Chemical Identity
CAS, identifiers, formula, and alternate names for the matched substance record.
SOURCE
DSSTox identifiers
8 fields
Name
Violacein
CAS Number
548-54-9
DTXSID
DTXSID001028415
Molecular Formula
C20H13N3O3
InChI Key
XAPNKXIRQFHCHN-QGOAFFKASA-N
Monoisotopic Mass
343.095691
Synonyms
3-(2-(5-Hydroxyindol-3-yl)-5-oxo-2-pyrrolin-4-ylidene)-2-indolinoneOxindole, 3-(2-(5-hydroxyindol-3-yl)-5-oxo-2-pyrrolin-4-ylidene)-
Functional Uses
Industrial and product-use categories associated with this substance.
SOURCE
EPA CPDat
3 records
BiocideAntioxidantDye
NOAEL Studies
Toxicology endpoints rendered from public NOAEL study rows.
SOURCE
NOAEL studies
Showing 4 of 4 studies
| Value | Unit | Endpoint | Route | Species | Source |
|---|---|---|---|---|---|
| QJH0DSQ3SG | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| QJH0DSQ3SG | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| QJH0DSQ3SG | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| QJH0DSQ3SG | UNII | FDA UNII substance identifier | - | - | openFDA substances |
Showing 4 of 4 studies
Cosmetic Safety Profile
Same-CAS cosmetic ingredient record for cross-vertical context.
SOURCE
CosIng / Ingredients DB
EU Status
permitted
Max
-
Category
Colorant
Pharmaceutical Data
Same-CAS pharmaceutical records from drug and bioactivity sources.
SOURCE
EMBL-EBI ChEMBL
VIOLACEIN
ChEMBL Phase
Not listed
Adverse Events
0
Bioactivity
4
Food Safety Data
Same-CAS food additive, ADI, and GRAS records where available.
SOURCE
EFSA / FDA GRAS
1 records
1 food-safety record found.
View full food safety profile →Frequently Asked Questions
Is Violacein used in cosmetics?
Yes, Violacein is also indexed as a cosmetic ingredient under the name Violacein. View the full cosmetic safety profile on the ingredient page for detailed safety data, SCCS opinions, and regulatory status.
Where does the safety data for Violacein come from?
Safety data is sourced from EPA ToxValDB, EPA CPDat, EPA DSSTox, CosIng / Ingredients DB, ChEMBL / DailyMed, EFSA / FDA GRAS. All data traces to primary regulatory sources and is updated from official government databases.
Is Violacein used outside industrial chemicals?
Violacein also appears in cosmetics, pharmaceutical, food safety databases.