1-Naphthalenol, 4-(1-naphthalenylazo)-
Basic information
- CAS
2653-72-7- Standard SMILES
Oc1ccc(N=Nc2cccc3ccccc23)c2ccccc12- InChIKey
NSWKKBKROCMOHA-UHFFFAOYSA-N- Molecular formula
- C20H14N2O
- Average molar mass
- 298.3 g/mol
- Monoisotopic mass
- 298.11061307
Names & identifiers
- Preferred name
- 1-Naphthalenol, 4-(1-naphthalenylazo)-
- IUPAC
- 4-(naphthalen-1-yldiazenyl)naphthalen-1-ol
- English name
- Solvent Brown 5
- Molecular formula
- C20H14N2O
- Molecular weight
- 298.34
Names & synonyms
1-Naphthalenol, 4-(1-naphthalenylazo)-4-(1-Naphthylazo)-1-naphtholEINECS 220-178-5DTXSID7075216RefChem:435009DTXCID0037520220-178-52653-72-74-(naphthalen-1-yldiazenyl)naphthalen-1-ol4-[2-(NAPHTHALEN-1-YL)DIAZEN-1-YL]NAPHTHALEN-1-OL4-[2-(1-Naphthalenyl)diazenyl]-1-naphthalenolSCHEMBL7542219
Show more names
C.I. 12020SUDAN BROWNCI NO 12020Solvent Brown 5C.I.Solventbrown54-(1-Naphtylazo)-1-naphtholSolvent brown 5 (C.I. 12020)C.I.Solvent Brown 5:C.I.12020Solvent Brown 5 ISO 9001：2015 REACH
SCHEMBL11955356SCHEMBL29520895NSWKKBKROCMOHA-UHFFFAOYSA-NAKOS003416755NS000481104-[(Naphthalen-1-yl)diazenyl]naphthalen-1-ol1-Naphthalenol, 4-[2-(1-naphthalenyl)diazenyl]-
Database identifiers
- CAS
2653-72-7- PubChem CID
- 75860
- DTXSID
DTXSID7075216- EC Number
- 220-178-5
- Nikkaji
- J34.078B
Properties
Computed structural properties
- XLogP
- 5.8
- Topological polar surface area
- 45 Ų
- Hydrogen bond donors
- 1
- Hydrogen bond acceptors
- 3
- Rotatable bonds
- 2
- Heavy atoms
- 23
- Formal charge
- 0
- Complexity
- 424
Experimental & physicochemical properties
Endocrine DisruptorsPotential endocrine disrupting compound
Physicochemical properties
- Boiling point
- 551 · 551.0±33.0 °C(Predicted)
- Density
- 1.2 · 1.20±0.1 g/cm3(Predicted)
- pka
- 8.32 · 8.32±0.40(Predicted)
- EPA Substance Registry System
- 1 · 1-Naphthalenol, 4-(1-naphthalenylazo)- (2653-72-7)
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 ClassificationNot Classified
Hazard information
Regulatory Information1-Naphthalenol, 4-(1-naphthalenylazo)-: 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.
Hazard Classes and CategoriesNot Classified
Chemistry & industry
Preparation methods
PreparationNaphthalen-1-amine diazotization, and Naphthalen-1-olcoupling.
Upstream & downstream products
Upstream raw materials
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Related reactions
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Compound notes
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