Pigment Orange 16
Basic information
- CAS
6505-28-8- Standard SMILES
COc1cc(-c2ccc(N=NC(C(C)=O)C(=O)Nc3ccccc3)c(OC)c2)ccc1N=NC(C(C)=O)C(=O)Nc1ccccc1- InChIKey
DMPXHEMGDYKSFL-UHFFFAOYSA-N- Molecular formula
- C34H32N6O6
- Average molar mass
- 620.7 g/mol
- Monoisotopic mass
- 620.23833276
Names & identifiers
- Preferred name
- Pigment Orange 16
- IUPAC
- 2-[[4-[4-[(1-anilino-1,3-dioxobutan-2-yl)diazenyl]-3-methoxyphenyl]-2-methoxyphenyl]diazenyl]-3-oxo-N-phenylbutanamide
- English name
- Pigment Orange 16
- Molecular formula
- C34H32N6O6
- Molecular weight
- 620.65
Names & synonyms
6505-28-8TVN9QAX6UHEINECS 229-388-1C.I. 21160DTXSID608638902,2'-((3,3'-Dimethoxy(1,1'-biphenyl)-4,4'-diyl)bis(azo))bis(3-oxo-N-phenylbutyramide)Butanamide, 2,2'-((3,3'-dimethoxy(1,1'-biphenyl)-4,4'-diyl)bis(2,1-diazenediyl))bis(3-oxo-N-phenyl-CI 21160Butanamide, 2,2'-((3,3'-dimethoxy(1,1'-biphenyl)-4,4'-diyl)bis(azo))bis(3-oxo-N-phenyl-Butanamide, 2,2'-[(3,3'-dimethoxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[3-oxo-N-phenyl-2,2'-[(3,3'-dimethoxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[3-oxo-N-phenylbutyramide]2,2'-((3,3'-DIMETHOXY(1,1'-BIPHENYL)-4,4'-DIYL)BIS(2,1-DIAZENEDIYL))BIS(3-OXO-N-PHENYLBUTANAMIDE)
Show more names
C.I.21160Vulcan OrangePIGMENT ORANGE 16Permanent orange kC.I. Pigment Orange 166216 Benzidine Orange RPigment orange 16 (C.I. 21160)TIANFU-CHEM - Pigment Orange 162,2'-[3,3'-Dimethoxy-4,4'-biphenylylenebis(azo)]bis(3-oxo-N-phenylbutanamide)Butanamide, 2,2-(3,3-dimethoxy1,1-biphenyl-4,4-diyl)bis(azo)bis3-oxo-N-phenyl-
Butanamide, 2,2'-[(3,3'-dimethoxy[1,1'-biphenyl]-4,4'-diyl)bis(2,1-diazenediyl)]bis[3-oxo-N-phenyl-RefChem:863157DTXCID408124622-[[4-[4-[(1-anilino-1,3-dioxobutan-2-yl)diazenyl]-3-methoxyphenyl]-2-methoxyphenyl]diazenyl]-3-oxo-N-phenylbutanamideUNII-TVN9QAX6UHSCHEMBL13588273SCHEMBL17491829SCHEMBL29356005
Database identifiers
- CAS
6505-28-8- PubChem CID
- 110869
- DTXSID
DTXSID60863890- UNII
- TVN9QAX6UH
- EC Number
- 229-388-1
- Nikkaji
- J35.630A
Properties
Computed structural properties
- XLogP
- 6.7
- Topological polar surface area
- 160 Ų
- Hydrogen bond donors
- 2
- Hydrogen bond acceptors
- 10
- Rotatable bonds
- 13
- Heavy atoms
- 46
- Formal charge
- 0
- Complexity
- 1,000
Experimental & physicochemical properties
Physical DescriptionWet Solid; Dry Powder; CBI
Physicochemical properties
- Boiling point
- 810.2 · 810.2±65.0 °C(Predicted)
- Density
- 1.26 · 1.26±0.1 g/cm3(Predicted)
- pka
- 8.62 · 8.62±0.59(Predicted)
- LogP
- 0.8 at · 0.8 at 23℃
- EWG's Food Scores
- 1 · 1
- FDA UNII
- 9 QAX6UH · TVN9QAX6UH
- EPA Substance Registry System
- 2 · Butanamide, 2,2'-[(3,3'-dimethoxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[3-oxo-N-phenyl- (6505-28-8)
- Symbol(GHS)
- 8 · GHS08
- Signal word
- Danger
- Hazard statements
- 412 · H412-H350
- Precautionary statements
- 273 · P273-P501
- 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 93.4% (213 of 228) of all reports.
Not Classified
Aggregated GHS information provided per 228 reports by companies from 5 notifications to the ECHA C&L Inventory.
Hazard information
Regulatory Information
Chemical: Butanamide, 2,2'-[(3,3'-dimethoxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[3-oxo-N-phenyl-
Butanamide, 2,2'-[(3,3'-dimethoxy[1,1'-biphenyl]-4,4'-diyl)bis(2,1-diazenediyl)]bis[3-oxo-N-phenyl- is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of Butanamide, 2,2'-[(3,3'-dimethoxy[1,1'-biphenyl]-4,4'-diyl)bis(2,1-diazenediyl)]bis[3-oxo-N-phenyl- are required to report information about their production and use of this chemical to the EPA under the Toxic Substances Control Act (TSCA). (40 eCFR Part 711)
REACH registered substance: 2,2'-[(3,3'-dimethoxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[3-oxo-N-phenylbutyramide] (EC: 229-388-1)
Butanamide, 2,2'-[(3,3'-dimethoxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[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 - Selected benzidine-congener-based pigments: Human health tier II assessment
Hazard Classes and CategoriesNot Classified
Safety data
- tsca
- TSCA listed
- Signal word
- Danger
- Symbol(GHS)
- GHS08
Chemistry & industry
Uses & manufacturing
UsesSubstance listed with specific concentration in tattoo ink and/or permanent make up according to EU Commission Regulation 2020/2081. The concentration limit (by weight) is 0.1%.
U.S. Production2023: 400,000 - <550,000 lb
Consumer UsesPigment
Industry UsesPigment
General Manufacturing Information
Synthetic Dye and Pigment Manufacturing
Butanamide, 2,2'-[(3,3'-dimethoxy[1,1'-biphenyl]-4,4'-diyl)bis(2,1-diazenediyl)]bis[3-oxo-N-phenyl-: ACTIVE
Applications
UsesC.I. Pigment orange 16 is the most important colorant used to add color or change the color of something and is chemically essentially unaffected by the carrier or medium into which it is incorporated. It can be widely used in textile, medicine, food, cosmetics, plastics, paint, ink, photography and paper industries.
Related reactions
0 records
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Compound notes
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