What is the NOAEL for C.I. Pigment Yellow 42?
C.I. Pigment Yellow 42 has 8 NOAEL studies in the database. The lowest reported value is EX438O2MRT UNII. Source: openFDA substances.
NOAEL Data
REACH Registered
Cosmetic Ingredient
C.I. Pigment Yellow 42
Also known as: EINECS 257-098-5, Ferric oxide, yellow
CAS 51274-00-1
C.I. Pigment Yellow 42 (CAS 51274-00-1) is a chemical substance. Key regulatory status: REACH registered, 14 regulatory/inventory lists, cosmetic ingredient cross-reference; source data from EPA ToxValDB, EPA CPDat, AICIS, ECHA REACH.
View cosmetic safety profile for CI 77492 (Yellow Iron Oxide) →
SOURCE
noael studies public
NOAEL studies
8
SOURCE
chemical inventory jurisdictions
Regulatory lists
14
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
5 fields
Name
C.I. Pigment Yellow 42
CAS Number
51274-00-1
DTXSID
DTXSID2029371
Synonyms
EINECS 257-098-5Ferric oxide, yellow
Functional Uses
Industrial and product-use categories associated with this substance.
SOURCE
EPA CPDat
59 records
DyePigmentNo specific technical functionFragranceConductive agent
Regulatory Lists
Inventory, screening, and regulatory list matches from public chemical databases.
SOURCE
EPA CPDat
14 records
| List | Keyword | Source |
|---|---|---|
| IFRA Transparency | IFRA | IFRA |
| children; Europe; Personal care | Danish Environmental Protection Agency | Danish EPA |
| children; Europe; Personal care - dental care - toothpaste | Danish Environmental Protection Agency | Danish EPA |
| children; Europe; Personal care | Danish Environmental Protection Agency | Danish EPA |
| Europe; Personal care | Danish Environmental Protection Agency | Danish EPA |
| Europe; Personal care | Danish Environmental Protection Agency | Danish EPA |
| consumer_product; Europe | Danish Environmental Protection Agency | Danish EPA |
| inert_ingredient; non_food_use; Pesticides | EPA | CPCat |
| Europe; plastic_additive | European Chemicals Agency | European Chemicals Agency (ECHA) |
| Europe | Danish Environmental Protection Agency | Danish EPA |
| Europe; Personal care | European Commission | CosIng |
| Arts and crafts/Office supplies - body paint - tattoo ink; Europe | Danish Environmental Protection Agency | Danish EPA |
| Arts and crafts/Office supplies - body paint - tattoo ink; Europe | Danish Environmental Protection Agency | Danish EPA |
| IFRA Transparency | IFRA | IFRA |
NOAEL Studies
Toxicology endpoints rendered from public NOAEL study rows.
SOURCE
NOAEL studies
Showing 8 of 8 studies
| Value | Unit | Endpoint | Route | Species | Source |
|---|---|---|---|---|---|
| EX438O2MRT | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| EX438O2MRT | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| EX438O2MRT | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| EX438O2MRT | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| concept | identifier | FDA UNII substance identifier | - | - | openFDA substances |
| concept | identifier | FDA UNII substance identifier | - | - | openFDA substances |
| concept | identifier | FDA UNII substance identifier | - | - | openFDA substances |
| concept | identifier | FDA UNII substance identifier | - | - | openFDA substances |
Showing 8 of 8 studies
REACH Registration
Registration status from the ECHA REACH registered substances database.
SOURCE
ECHA (EU)
1 records
| Status | Name | EC Number | Link |
|---|---|---|---|
| Registered | Iron hydroxide oxide yellow | 257-098-5 | ECHA overview → |
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
permitted
Max
-
Category
colorant
Food Safety Data
Same-CAS food additive, ADI, and GRAS records where available.
SOURCE
EFSA / FDA GRAS
1 records
E172 (Yellow) — ADI: 0.5 mg/kg bw
View full food safety profile →Cannabis Data
Same-CAS cannabis compliance and lab records where available.
SOURCE
Cannabis regulatory / lab data
efsa substances
1 cannabis record found in efsa substances.
View full cannabis profile →Frequently Asked Questions
What regulatory lists include C.I. Pigment Yellow 42?
C.I. Pigment Yellow 42 appears on 9 regulatory/inventory lists including IFRA Transparency, children; Europe; Personal care, children; Europe; Personal care - dental care - toothpaste, and 6 more. Source: EPA CPDat.
Is C.I. Pigment Yellow 42 used in cosmetics?
Yes, C.I. Pigment Yellow 42 is also indexed as a cosmetic ingredient under the name CI 77492 (Yellow Iron Oxide). 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 C.I. Pigment Yellow 42 come from?
Safety data is sourced from EPA ToxValDB, EPA CPDat, AICIS (Australian Industrial Chemicals Introduction Scheme), EPA DSSTox, ECHA REACH, CosIng / Ingredients DB, EFSA / FDA GRAS, cannabis regulatory/lab databases. All data traces to primary regulatory sources and is updated from official government databases.
Is C.I. Pigment Yellow 42 used outside industrial chemicals?
C.I. Pigment Yellow 42 also appears in cosmetics, food safety, cannabis databases.