Basic information
- CAS
1657-16-5- Standard SMILES
CC(=O)C(N=Nc1ccc([N+](=O)[O-])cc1)C(=O)Nc1ccccc1- InChIKey
WTRHKEHRZMLLDH-UHFFFAOYSA-N- Molecular formula
- C16H14N4O4
- Average molar mass
- 326.31 g/mol
- Monoisotopic mass
- 326.10150494
Names & identifiers
- Preferred name
- 2-((p-Nitrophenyl)azo)acetoacetanilide
- IUPAC
- 2-[(4-nitrophenyl)diazenyl]-3-oxo-N-phenylbutanamide
- English name
- 2-[(p-nitrophenyl)azo]acetoacetanilide
- Molecular formula
- C16H14N4O4
- Molecular weight
- 326.31
Names & synonyms
2-[(p-Nitrophenyl)azo]acetoacetanilideButanamide, 2-[(4-nitrophenyl)azo]-3-oxo-N-phenyl-2-((p-Nitrophenyl)azo)acetoacetanilideButanamide, 2-((4-nitrophenyl)azo)-3-oxo-N-phenyl-Butanamide, 2-(2-(4-nitrophenyl)diazenyl)-3-oxo-N-phenyl-Butanamide, 2-[2-(4-nitrophenyl)diazenyl]-3-oxo-N-phenyl-RefChem:449964Butanamide, 2-(4-nitrophenyl)azo-3-oxo-N-phenyl-216-754-01657-16-5Hansa Yellow 13GEljon Yellow 5G
Show more names
C.I.11665PIGMENTYELLOW4CIPIGMENTYELLOW4Pigment yellow 4 (C.I. 11665)2-[(4-Nitrophenyl)azo]-3-oxo-N-phenylbutanamide
Fast Yellow 11JCarnelio Yellow 5GIrgalite Yellow 5GRecolite Yellow 5GIrgalite Yellow 5GLKromon Primrose YellowProcess Yellow 10GS2-[(4-nitrophenyl)diazenyl]-3-oxo-N-phenylbutanamide
Database identifiers
- CAS
1657-16-5- PubChem CID
- 74258
- DTXSID
DTXSID40862725- UNII
- PT9Z8AT7KS
- EC Number
- 216-754-0
- Nikkaji
- J33.581I
Properties
Computed structural properties
- XLogP
- 3.4
- Topological polar surface area
- 117 Ų
- Hydrogen bond donors
- 1
- Hydrogen bond acceptors
- 6
- Rotatable bonds
- 5
- Heavy atoms
- 24
- Formal charge
- 0
- Complexity
- 489
Physicochemical properties
- Melting point
- 214 · 214-215 °C
- Boiling point
- 527.6 · 527.6±50.0 °C(Predicted)
- Density
- 1.32 · 1.32±0.1 g/cm3(Predicted)
- pka
- 8.81 · 8.81±0.59(Predicted)
- EPA Substance Registry System
- 2 · Butanamide, 2-[(4-nitrophenyl)azo]-3-oxo-N-phenyl- (1657-16-5)
- TSCA
- TSCA listed
Safety & regulation
Safety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.
GHS classification
GHS Classification
This chemical does not meet GHS hazard criteria for 100% (71 of 71) of all reports.
Not Classified
Aggregated GHS information provided per 71 reports by companies from 1 notifications to the ECHA C&L Inventory.
Hazard information
Regulatory Information
Chemical: Butanamide, 2-[(4-nitrophenyl)azo]-3-oxo-N-phenyl-
Butanamide, 2-(4-nitrophenyl)azo-3-oxo-N-phenyl-: Does not have an individual approval but may be used as a component in a product covered by a group standard. It is not approved for use as a chemical in its own right.
Other Safety InformationIMAP assessments - Butanamide, 2-[(4-nitrophenyl)azo]-3-oxo-N-phenyl-: Human health tier I assessment
Hazard Classes and CategoriesNot Classified
Safety data
- tsca
- TSCA listed
Chemistry & industry
Uses & manufacturing
General Manufacturing InformationButanamide, 2-[2-(4-nitrophenyl)diazenyl]-3-oxo-N-phenyl-: INACTIVE
Suppliers3 total
河南玖科化工有限公司0370-2071226 17303700913 · [email protected]
Alfa Chemistry+1-5166625404 · [email protected]
陕西缔都医药化工有限公司029-029-029-81148696 18161915376 · [email protected]
Related reactions
0 records
No reaction records under the current filter.
Compound notes
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