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- Naphthol_Red abstract "Naphthol Red (Pigment red 170 or PR170) is an organic pigment extensively used in automotive coatings and painting. It is produced synthetically by converting p-aminobenzamide into the corresponding diazonium compound followed by diazotation with 3-hydroxy-2-naphththoic acid (2-ethoxy)anilide.Synthesis of Pigment red 170In the solid state the hydrazo tautomer forms and several crystal structures exist. In the initial α polymorph the molecules are arranged in a herringbone pattern with extensive hydrogen bonding. The φ polymorph is more dense and more stable and produced industrially by thermal treatment in water at 130°C under pressure. In this phase the molecules are planar and arranged in layers. Extensive hydrogen bonding exists within the layer but between layers the only interactions are Van der Waals forces. Dense crystal structures are preferred for pigments used in coatings because in the event of photochemical decomposition the fragments are locked in place and are able to recombine. Research shows that by replacing the ethoxy group in this compound by a methoxy group the crystal structure is less stable and in the final application and the color fades more easily. By careful selection of substituents it is possible to optimize crystal structure and improve optical properties .".
- Naphthol_Red iupacName "4-(2-(4-carbamoylphenyl)hydrazono)-N-(2-ethoxyphenyl)-3-oxo-3,4-dihydronaphthalene-2-carboxamide".
- Naphthol_Red thumbnail Pigment_Red_170.png?width=300.
- Naphthol_Red wikiPageExternalLink anie.200502468.
- Naphthol_Red wikiPageID "4165624".
- Naphthol_Red wikiPageLength "3102".
- Naphthol_Red wikiPageOutDegree "23".
- Naphthol_Red wikiPageRevisionID "670393025".
- Naphthol_Red wikiPageWikiLink Alkoxy_group.
- Naphthol_Red wikiPageWikiLink Angewandte_Chemie.
- Naphthol_Red wikiPageWikiLink Automotive_industry.
- Naphthol_Red wikiPageWikiLink Category:Organic_pigments.
- Naphthol_Red wikiPageWikiLink Category:Pigments.
- Naphthol_Red wikiPageWikiLink Celsius.
- Naphthol_Red wikiPageWikiLink Chemical_decomposition.
- Naphthol_Red wikiPageWikiLink Coating.
- Naphthol_Red wikiPageWikiLink Crystal.
- Naphthol_Red wikiPageWikiLink Density.
- Naphthol_Red wikiPageWikiLink Diazonium_compound.
- Naphthol_Red wikiPageWikiLink Hydrazo.
- Naphthol_Red wikiPageWikiLink Hydrogen_bond.
- Naphthol_Red wikiPageWikiLink Methoxy.
- Naphthol_Red wikiPageWikiLink P-aminobenzamide.
- Naphthol_Red wikiPageWikiLink Photochemistry.
- Naphthol_Red wikiPageWikiLink Pigment.
- Naphthol_Red wikiPageWikiLink Polymorphism_(materials_science).
- Naphthol_Red wikiPageWikiLink Substituent.
- Naphthol_Red wikiPageWikiLink Tautomer.
- Naphthol_Red wikiPageWikiLink Van_der_Waals_force.
- Naphthol_Red wikiPageWikiLink File:PigmentRed170.png.
- Naphthol_Red wikiPageWikiLinkText "Naphthol Red".
- Naphthol_Red imagefile "Pigment Red 170.png".
- Naphthol_Red imagesize "150".
- Naphthol_Red iupacname "4".
- Naphthol_Red othernames "C.I. 12475; C.I. Pigment Red 170".
- Naphthol_Red verifiedrevid "442512636".
- Naphthol_Red watchedfields "changed".
- Naphthol_Red wikiPageUsesTemplate Template:Cascite.
- Naphthol_Red wikiPageUsesTemplate Template:Chembox.
- Naphthol_Red wikiPageUsesTemplate Template:Chembox_Hazards.
- Naphthol_Red wikiPageUsesTemplate Template:Chembox_Identifiers.
- Naphthol_Red wikiPageUsesTemplate Template:Chembox_Properties.
- Naphthol_Red wikiPageUsesTemplate Template:Chemspidercite.
- Naphthol_Red wikiPageUsesTemplate Template:Distinguish.
- Naphthol_Red wikiPageUsesTemplate Template:Note.
- Naphthol_Red wikiPageUsesTemplate Template:Ref.
- Naphthol_Red wikiPageUsesTemplate Template:Stdinchicite.
- Naphthol_Red subject Category:Organic_pigments.
- Naphthol_Red subject Category:Pigments.
- Naphthol_Red hypernym Pigment.
- Naphthol_Red type ChemicalCompound.
- Naphthol_Red type ChemicalSubstance.
- Naphthol_Red type Redirect.
- Naphthol_Red type ChemicalObject.
- Naphthol_Red type Thing.
- Naphthol_Red type Q11173.
- Naphthol_Red comment "Naphthol Red (Pigment red 170 or PR170) is an organic pigment extensively used in automotive coatings and painting. It is produced synthetically by converting p-aminobenzamide into the corresponding diazonium compound followed by diazotation with 3-hydroxy-2-naphththoic acid (2-ethoxy)anilide.Synthesis of Pigment red 170In the solid state the hydrazo tautomer forms and several crystal structures exist.".
- Naphthol_Red label "Naphthol Red".
- Naphthol_Red differentFrom Acid_red_88.
- Naphthol_Red sameAs Q15425799.
- Naphthol_Red sameAs Rouge_naphtol.
- Naphthol_Red sameAs m.0bmpjl.
- Naphthol_Red sameAs Naftol_crveno.
- Naphthol_Red sameAs Naftol_crveno.
- Naphthol_Red sameAs Q15425799.
- Naphthol_Red wasDerivedFrom Naphthol_Red?oldid=670393025.
- Naphthol_Red depiction Pigment_Red_170.png.
- Naphthol_Red isPrimaryTopicOf Naphthol_Red.