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- Sudan_IV abstract "Sudan IV (C24H20N4O) is a lysochrome (fat-soluble dye) diazo dye used for the staining of lipids, triglycerides and lipoproteins on frozen paraffin sections. It has the appearance of reddish brown crystals with melting point 199 °C and maximum absorption at 520(357) nm.Sudan IV is one of the dyes used for Sudan staining. Similar dyes include Oil Red O, Sudan III, and Sudan Black B. Staining is an important biochemical technique, offering the ability to visually qualify the presence of the fatty compound of interest without isolating it. For staining purposes Sudan IV can be made up in propylene glycol[1]. Alternatively, authors have reported using the dye saturated in isopropyl alcohol, 95% ethanol, or 0.05% by weight in acetone:ethanol:water (50:35:15). The idea is to use a moderately apolar solvent to solubilize the dye allowing it to partition into the highly apolar fat without the solvent solubilizing the fat to be stained.Sudan I, Sudan III, and Sudan IV have been classified as category 3 carcinogens by the International Agency for Research on Cancer.In its purified form it is called Biebrich scarlet R, which should not be confused with the water-soluble Biebrich scarlet.In industry, it is used to color nonpolar substances like oils, fats, waxes, greases, various hydrocarbon products, and acrylic emulsions. Sudan IV is also used in United Kingdom as a fuel dye to dye lower-taxed heating oil; because of that it is also known as Oil Tax Red. As a food dye, Sudan IV is considered an illegal dye, mainly because of its harmful effect over a long period of time, as it is a carcinogen. It was ruled unsafe in the 1995 food safety regulations report.".
- Sudan_IV thumbnail Sudan_IV.svg?width=300.
- Sudan_IV wikiPageExternalLink 26105.htm.
- Sudan_IV wikiPageExternalLink oil_red_o.htm.
- Sudan_IV wikiPageID "1688734".
- Sudan_IV wikiPageLength "5277".
- Sudan_IV wikiPageOutDegree "37".
- Sudan_IV wikiPageRevisionID "683317059".
- Sudan_IV wikiPageWikiLink Acryl_group.
- Sudan_IV wikiPageWikiLink Acryloyl_group.
- Sudan_IV wikiPageWikiLink Azo_compound.
- Sudan_IV wikiPageWikiLink Biebrich_scarlet.
- Sudan_IV wikiPageWikiLink Carcinogen.
- Sudan_IV wikiPageWikiLink Category:2-Naphthols.
- Sudan_IV wikiPageWikiLink Category:Azo_dyes.
- Sudan_IV wikiPageWikiLink Category:Fuel_dyes.
- Sudan_IV wikiPageWikiLink Category:IARC_Group_3_carcinogens.
- Sudan_IV wikiPageWikiLink Category:Solvent_dyes.
- Sudan_IV wikiPageWikiLink Category:Staining_dyes.
- Sudan_IV wikiPageWikiLink Diazo_dye.
- Sudan_IV wikiPageWikiLink Emulsion.
- Sudan_IV wikiPageWikiLink Ethanol.
- Sudan_IV wikiPageWikiLink Fat.
- Sudan_IV wikiPageWikiLink Food_coloring.
- Sudan_IV wikiPageWikiLink Food_dye.
- Sudan_IV wikiPageWikiLink Fuel_dye.
- Sudan_IV wikiPageWikiLink Fuel_dyes.
- Sudan_IV wikiPageWikiLink Grease_(lubricant).
- Sudan_IV wikiPageWikiLink Heating_oil.
- Sudan_IV wikiPageWikiLink Hydrocarbon.
- Sudan_IV wikiPageWikiLink International_Agency_for_Research_on_Cancer.
- Sudan_IV wikiPageWikiLink Isopropyl_alcohol.
- Sudan_IV wikiPageWikiLink Lipid.
- Sudan_IV wikiPageWikiLink Lipids.
- Sudan_IV wikiPageWikiLink Lipoprotein.
- Sudan_IV wikiPageWikiLink Lipoproteins.
- Sudan_IV wikiPageWikiLink Lysochrome.
- Sudan_IV wikiPageWikiLink Oil.
- Sudan_IV wikiPageWikiLink Oil_Red_O.
- Sudan_IV wikiPageWikiLink Paraffin_wax.
- Sudan_IV wikiPageWikiLink Propylene_glycol.
- Sudan_IV wikiPageWikiLink Staining.
- Sudan_IV wikiPageWikiLink Staining_(biology).
- Sudan_IV wikiPageWikiLink Sudan_Black_B.
- Sudan_IV wikiPageWikiLink Sudan_I.
- Sudan_IV wikiPageWikiLink Sudan_III.
- Sudan_IV wikiPageWikiLink Sudan_stain.
- Sudan_IV wikiPageWikiLink Triglyceride.
- Sudan_IV wikiPageWikiLink Triglycerides.
- Sudan_IV wikiPageWikiLink United_Kingdom.
- Sudan_IV wikiPageWikiLink Wax.
- Sudan_IV wikiPageWikiLinkText "Sudan IV".
- Sudan_IV hasPhotoCollection Sudan_IV.
- Sudan_IV imagefile "Sudan IV.svg".
- Sudan_IV imagesize "250".
- Sudan_IV name "Sudan IV".
- Sudan_IV othernames "Sudan R, C.I. Solvent Red 24, C.I. 26105, Lipid Crimson, Oil Red, Oil Red BB, Fat Red B, Oil Red IV, Scarlet Red, Scarlet Red N.F, Scarlet Red Scharlach, Scarlet R".
- Sudan_IV systematicname "1".
- Sudan_IV verifiedfields "changed".
- Sudan_IV verifiedrevid "470472512".
- Sudan_IV watchedfields "changed".
- Sudan_IV wikiPageUsesTemplate Template:Chembox.
- Sudan_IV wikiPageUsesTemplate Template:Fact.
- Sudan_IV wikiPageUsesTemplate Template:Reflist.
- Sudan_IV wikiPageUsesTemplate Template:Stains.
- Sudan_IV subject Category:2-Naphthols.
- Sudan_IV subject Category:Azo_dyes.
- Sudan_IV subject Category:Fuel_dyes.
- Sudan_IV subject Category:IARC_Group_3_carcinogens.
- Sudan_IV subject Category:Solvent_dyes.
- Sudan_IV subject Category:Staining_dyes.
- Sudan_IV hypernym Dye.
- Sudan_IV type Article.
- Sudan_IV type ChemicalCompound.
- Sudan_IV type ChemicalSubstance.
- Sudan_IV type Additive.
- Sudan_IV type Article.
- Sudan_IV type Naphthol.
- Sudan_IV type ChemicalObject.
- Sudan_IV type Thing.
- Sudan_IV type Q11173.
- Sudan_IV comment "Sudan IV (C24H20N4O) is a lysochrome (fat-soluble dye) diazo dye used for the staining of lipids, triglycerides and lipoproteins on frozen paraffin sections. It has the appearance of reddish brown crystals with melting point 199 °C and maximum absorption at 520(357) nm.Sudan IV is one of the dyes used for Sudan staining. Similar dyes include Oil Red O, Sudan III, and Sudan Black B.".
- Sudan_IV label "Sudan IV".
- Sudan_IV sameAs سودان_IV.
- Sudan_IV sameAs Sudán_IV.
- Sudan_IV sameAs Sudán_IV.
- Sudan_IV sameAs Sudan_IV.
- Sudan_IV sameAs m.05nk5c.
- Sudan_IV sameAs Sudan_IV.
- Sudan_IV sameAs Sudan_IV.
- Sudan_IV sameAs Q3291758.
- Sudan_IV sameAs Q3291758.
- Sudan_IV sameAs 蘇丹四號.
- Sudan_IV wasDerivedFrom Sudan_IV?oldid=683317059.
- Sudan_IV depiction Sudan_IV.svg.
- Sudan_IV isPrimaryTopicOf Sudan_IV.
- Sudan_IV name "Sudan IV".