3-hydroxy-4-((2-methyl-4-nitrophenyl)azo)-N-(o-tolyl)naphthalene-2-carboxamide
Basic information
- CAS
6410-32-8- Standard SMILES
Cc1cc([N+](=O)[O-])ccc1N=Nc1c(O)c(C(=O)Nc2ccccc2C)cc2ccccc12- InChIKey
KDLDNQQRGJAGIS-UHFFFAOYSA-N- Molecular formula
- C25H20N4O4
- Average molar mass
- 440.4 g/mol
- Monoisotopic mass
- 440.14845513
Names & identifiers
- Preferred name
- 3-hydroxy-4-((2-methyl-4-nitrophenyl)azo)-N-(o-tolyl)naphthalene-2-carboxamide
- IUPAC
- 3-hydroxy-4-[(2-methyl-4-nitrophenyl)diazenyl]-N-(2-methylphenyl)naphthalene-2-carboxamide
- English name
- Pigment Red 12
- Molecular formula
- C25H20N4O4
- Molecular weight
- 440.45
Names & synonyms
2-Naphthalenecarboxamide, 3-hydroxy-4-[(2-methyl-4-nitrophenyl)azo]-N-(2-methylphenyl)-DTXSID00643333-Hydroxy-4-[(2-methyl-4-nitrophenyl)azo]-N-(o-tolyl)naphthalene-2-carboxamide3-Hydroxy-4-((2-methyl-4-nitrophenyl)azo)-N-(o-tolyl)naphthalene-2-carboxamide2-Naphthalenecarboxamide, 3-hydroxy-4-((2-methyl-4-nitrophenyl)azo)-N-(2-methylphenyl)-RefChem:502387DTXCID60442202-Naphthalenecarboxamide, 3-hydroxy-4-(2-methyl-4-nitrophenyl)azo-N-(2-methylphenyl)-229-102-56410-32-8MFCD005171983-hydroxy-4-[(2-methyl-4-nitrophenyl)diazenyl]-N-(2-methylphenyl)naphthalene-2-carboxamide
Show more names
C.I. 12385Bordeaux F2Rpigment red 12C.I.PIGMENTRED12Pigment Bordex OB/OROrganic Pigment Red 12Pigment -- Pigment Red 12KDLDNQQRGJAGIS-BYYHNAKLSA-NPigment red 12 (C.I. 12385)
EINECS 229-102-52-Naphthalenecarboxamide, 3-hydroxy-4-(2-(2-methyl-4-nitrophenyl)diazenyl)-N-(2-methylphenyl)-C25H20N4O42-Naphthalenecarboxamide, 3-hydroxy-4-[2-(2-methyl-4-nitrophenyl)diazenyl]-N-(2-methylphenyl)-NBU8SDR4UUEC 229-102-5PERMANENT BORDEAUX F2RSCHEMBL307210
Properties
Computed structural properties
- XLogP
- 6.5
- Topological polar surface area
- 120 Ų
- Hydrogen bond donors
- 2
- Hydrogen bond acceptors
- 6
- Rotatable bonds
- 4
- Heavy atoms
- 33
- Formal charge
- 0
- Complexity
- 726
Physicochemical properties
- Boiling point
- 632.7 · 632.7±55.0 °C(Predicted)
- Density
- 1.32 · 1.32
- vapor pressure
- 0 Pa · 0Pa at 25℃
- pka
- 12.02 · 12.02±0.70(Predicted)
- Water Solubility
- 4.6 μg/L · 4.6μg/L at 23℃
- LogP
- 2.44 at · 2.44 at 23℃
- CAS DataBase Reference
- 6410 · 6410-32-8(CAS DataBase Reference)
- EPA Substance Registry System
- 2 · 2-Naphthalenecarboxamide, 3-hydroxy-4-[(2-methyl-4-nitrophenyl)azo]-N-(2-methylphenyl)- (6410-32-8)
- Symbol(GHS)
- 8 · GHS08
- Signal word
- Warning
- Hazard statements
- 341 · H341
- Precautionary statements
- 201 · P201-P202-P281-P308+P313-P405-P501
- TSCA
- TSCA listed
- REACH Registrations
- Active
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 97.9% (92 of 94) of all reports.
Not Classified
Aggregated GHS information provided per 94 reports by companies from 4 notifications to the ECHA C&L Inventory.
Hazard information
Regulatory Information
Chemical: 2-Naphthalenecarboxamide, 3-hydroxy-4-[(2-methyl-4-nitrophenyl)azo]-N-(2-methylphenyl)-
REACH registered substance: 3-hydroxy-4-[(2-methyl-4-nitrophenyl)azo]-N-(o-tolyl)naphthalene-2-carboxamide (EC: 229-102-5)
2-Naphthalenecarboxamide, 3-hydroxy-4-(2-methyl-4-nitrophenyl)azo-N-(2-methylphenyl)-: Does not have an individual approval but may be used under an appropriate group standard
Hazard Classes and CategoriesNot Classified
Safety data
- tsca
- TSCA listed
- Signal word
- Warning
- Symbol(GHS)
- GHS08
- Hazard statements
- H341
- REACH Registrations
- Active
- Precautionary statements
- P201-P202-P281-P308+P313-P405-P501
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%.
General Manufacturing Information2-Naphthalenecarboxamide, 3-hydroxy-4-[2-(2-methyl-4-nitrophenyl)diazenyl]-N-(2-methylphenyl)-: ACTIVE
Applications
UsesC.I. Pigment red 12 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.
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Compound notes
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