What is the NOAEL for C.I. Pigment Yellow 1?
C.I. Pigment Yellow 1 has 4 NOAEL studies in the database. The lowest reported value is RMB4YA40UY UNII. Source: openFDA substances.
NOAEL Data
REACH Registered
Cosmetic Ingredient
C.I. Pigment Yellow 1
Also known as: Butanamide, 2-[2-(4-methyl-2-nitrophenyl)diazenyl]-3-oxo-N-phenyl-, 2-((4-Methyl-2-nitrophenyl)azo)-3-oxo-N-phenylbutyramide, Butanamide, 2-[2-(4-methyl-2-nitrophenyl)diazenyl]-3-oxo-N-phenyl-, Butanamide, 2-[(4-methyl-2-nitrophenyl)azo]-3-oxo-N-phenyl-, 2-[2-(4-Methyl-2-nitrophenyl)diazenyl]-3-oxo-N-phenylbutanamide (+15 more)
CAS 2512-29-0
C.I. Pigment Yellow 1 (CAS 2512-29-0) is a chemical substance. Key regulatory status: REACH registered, 6 regulatory/inventory lists, cosmetic ingredient cross-reference; source data from EPA ToxValDB, EPA CPDat, AICIS, ECHA REACH.
View cosmetic safety profile for CI 11680 (Pigment Yellow 1) →
SOURCE
noael studies public
NOAEL studies
4
SOURCE
chemical inventory jurisdictions
Regulatory lists
6
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
26 fields
Name
C.I. Pigment Yellow 1
CAS Number
2512-29-0
DTXSID
DTXSID4041735
Molecular Formula
C17H16N4O4
InChI Key
MFYSUUPKMDJYPF-UHFFFAOYSA-N
Monoisotopic Mass
340.117155
Synonyms
Butanamide, 2-[2-(4-methyl-2-nitrophenyl)diazenyl]-3-oxo-N-phenyl-2-((4-Methyl-2-nitrophenyl)azo)-3-oxo-N-phenylbutyramideButanamide, 2-[2-(4-methyl-2-nitrophenyl)diazenyl]-3-oxo-N-phenyl-Butanamide, 2-[(4-methyl-2-nitrophenyl)azo]-3-oxo-N-phenyl-2-[2-(4-Methyl-2-nitrophenyl)diazenyl]-3-oxo-N-phenylbutanamideα-(o-Nitro-p-tolylazo)acetoacetanilideAccosperse Hansa Yellow GAcrylamide Yellow GADC Pigment Yellow GArylamide Yellow GBrazil Yellow X 2866Burma Yellow X 1622
Functional Uses
Industrial and product-use categories associated with this substance.
SOURCE
EPA CPDat
13 records
DyePigment
Regulatory Lists
Inventory, screening, and regulatory list matches from public chemical databases.
SOURCE
EPA CPDat
6 records
| List | Keyword | Source |
|---|---|---|
| Arts and crafts/Office supplies - body paint - tattoo ink; Europe | Danish Environmental Protection Agency | Danish EPA |
| Europe; plastic_additive | European Chemicals Agency | European Chemicals Agency (ECHA) |
| inert_ingredient; non_food_use; Pesticides | EPA | CPCat |
| Europe; Toys and children's products | Danish Environmental Protection Agency | Danish EPA |
| Arts and crafts/Office supplies - body paint - tattoo ink; Europe | Danish Environmental Protection Agency | Danish EPA |
| Europe; Personal care | European Commission | CosIng |
NOAEL Studies
Toxicology endpoints rendered from public NOAEL study rows.
SOURCE
NOAEL studies
Showing 4 of 4 studies
| Value | Unit | Endpoint | Route | Species | Source |
|---|---|---|---|---|---|
| RMB4YA40UY | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| RMB4YA40UY | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| RMB4YA40UY | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| RMB4YA40UY | UNII | FDA UNII substance identifier | - | - | openFDA substances |
Showing 4 of 4 studies
REACH Registration
Registration status from the ECHA REACH registered substances database.
SOURCE
ECHA (EU)
1 records
| Status | Name | EC Number | Link |
|---|---|---|---|
| Registered | 2-[(4-methyl-2-nitrophenyl)azo]-3-oxo-N-phenylbutyramide | 219-730-8 | 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
Colorants
Frequently Asked Questions
What regulatory lists include C.I. Pigment Yellow 1?
C.I. Pigment Yellow 1 appears on 5 regulatory/inventory lists including Arts and crafts/Office supplies - body paint - tattoo ink; Europe, Europe; plastic_additive, inert_ingredient; non_food_use; Pesticides, and 2 more. Source: EPA CPDat.
Is C.I. Pigment Yellow 1 used in cosmetics?
Yes, C.I. Pigment Yellow 1 is also indexed as a cosmetic ingredient under the name CI 11680 (Pigment Yellow 1). 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 1 come from?
Safety data is sourced from EPA ToxValDB, EPA CPDat, AICIS (Australian Industrial Chemicals Introduction Scheme), EPA DSSTox, ECHA REACH, CosIng / Ingredients DB. All data traces to primary regulatory sources and is updated from official government databases.
Is C.I. Pigment Yellow 1 used outside industrial chemicals?
C.I. Pigment Yellow 1 also appears in cosmetics databases.