What is the NOAEL for (E)-3-(1H-Imidazol-5-yl)prop-2-enoic acid?
(E)-3-(1H-Imidazol-5-yl)prop-2-enoic acid has 4 NOAEL studies in the database. The lowest reported value is G8D26XJJ3B UNII. Source: openFDA substances.
NOAEL Data
Cosmetic Ingredient
(E)-3-(1H-Imidazol-5-yl)prop-2-enoic acid
Also known as: (E)-3-(4-Imidazolyl)acrylic acid, (E)-Urocanic acid, (E)-3-(Imidazol-4-yl)-2-propenoic acid, (E)-3-(1H-Imidazol-4-yl)-2-propenoic acid, Imidazole-4-acrylic acid, (E)-
CAS 104-98-3
(E)-3-(1H-Imidazol-5-yl)prop-2-enoic acid (CAS 104-98-3) is a chemical substance. Key regulatory status: cosmetic ingredient cross-reference; source data from EPA ToxValDB, AICIS.
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
11 fields
Name
(E)-3-(1H-Imidazol-5-yl)prop-2-enoic acid
CAS Number
104-98-3
DTXSID
DTXSID5041148
Molecular Formula
C6H6N2O2
InChI Key
LOIYMIARKYCTBW-OWOJBTEDSA-N
Monoisotopic Mass
138.042927
Synonyms
(E)-3-(4-Imidazolyl)acrylic acid(E)-Urocanic acid(E)-3-(Imidazol-4-yl)-2-propenoic acid(E)-3-(1H-Imidazol-4-yl)-2-propenoic acidImidazole-4-acrylic acid, (E)-
NOAEL Studies
Toxicology endpoints rendered from public NOAEL study rows.
SOURCE
NOAEL studies
Showing 4 of 4 studies
| Value | Unit | Endpoint | Route | Species | Source |
|---|---|---|---|---|---|
| G8D26XJJ3B | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| G8D26XJJ3B | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| G8D26XJJ3B | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| G8D26XJJ3B | UNII | FDA UNII substance identifier | - | - | openFDA substances |
Showing 4 of 4 studies
Australian Status (AICIS)
Australian industrial chemicals inventory status and applicable conditions.
SOURCE
AICIS inventory
1 records
Inventory Status
listed
Cosmetic Safety Profile
Same-CAS cosmetic ingredient record for cross-vertical context.
SOURCE
CosIng / Ingredients DB
EU Status
restricted
Max
-
Category
UV Filter
Frequently Asked Questions
Is (E)-3-(1H-Imidazol-5-yl)prop-2-enoic acid used in cosmetics?
Yes, (E)-3-(1H-Imidazol-5-yl)prop-2-enoic acid is also indexed as a cosmetic ingredient under the name Urocanic Acid. 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 (E)-3-(1H-Imidazol-5-yl)prop-2-enoic acid come from?
Safety data is sourced from EPA ToxValDB, AICIS (Australian Industrial Chemicals Introduction Scheme), EPA DSSTox, CosIng / Ingredients DB. All data traces to primary regulatory sources and is updated from official government databases.
Is (E)-3-(1H-Imidazol-5-yl)prop-2-enoic acid used outside industrial chemicals?
(E)-3-(1H-Imidazol-5-yl)prop-2-enoic acid also appears in cosmetics databases.