305:
192:
432:
35:
524:
716:
While the dye does stain triglycerides with an intense red color, it does not stain lipid droplets or phospholipids. Sudan IV can be used to stain the aorta by staining lipid-rich plaques. The dye can also be used to stain lipids in atherosclerotic lesions in mice.
630:, 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.
440:
412:
618:. 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
490:
537:
63:
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
361:
645:
1156:
109:
1233:
338:
InChI=1S/C24H20N4O/c1-16-7-3-6-10-21(16)26-25-19-12-13-22(17(2)15-19)27-28-24-20-9-5-4-8-18(20)11-14-23(24)29/h3-15,29H,1-2H3/b26-25+,28-27+
328:
InChI=1S/C24H20N4O/c1-16-7-3-6-10-21(16)26-25-19-12-13-22(17(2)15-19)27-28-24-20-9-5-4-8-18(20)11-14-23(24)29/h3-15,29H,1-2H3/b26-25+,28-27+
1312:
319:
857:
599:
sections. It has the appearance of reddish brown crystals with melting point 199 °C and maximum absorption at 520(357) nm.
959:
482:
1051:
544:
472:
262:
1188:
283:
1218:
1092:
709:, Sudan IV is considered an illegal dye, mainly because of its harmful effect over a long period of time, as it is a
431:
199:
1238:
1101:
1026:
502:
758:
Refat NA, Ibrahim ZS, Moustafa GG, et al. (2008). "The induction of cytochrome P450 1A1 by sudan dyes".
498:
187:
1297:
1261:
149:
1193:
1068:
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424:
1130:
1096:
1317:
1111:
850:
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300:
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835:
1223:
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478:
1161:
251:
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1056:
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982:
710:
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17:
464:
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637:
611:
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1039:
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1171:
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633:
627:
238:
200:
771:
460:
584:
140:
514:
Except where otherwise noted, data are given for materials in their
34:
226:
896:
713:. It was ruled unsafe in the 1995 food safety regulations report.
622:. Alternatively, authors have reported using the dye saturated in
120:
108:
98:
874:
217:
839:
671:
667:
663:
288:
662:
In industry, it is used to color nonpolar substances like
532:
655:, which should not be confused with the water-soluble
1254:
1139:
1079:
991:
968:
940:
895:
873:
640:, and Sudan IV have been classified as category 3
250:
369:Cc4ccccc4/N=N/c3ccc(/N=N/c1c2ccccc2ccc1O)c(C)c3
84:
851:
8:
646:International Agency for Research on Cancer
858:
844:
836:
303:
190:
168:
26:
270:
726:
366:
324:
299:
61:1-{2-Methyl-4-phenyl}azonaphthalen-2-ol
1157:Jaswant SinghâBhattacharji (JSB) stain
701:; because of that it is also known as
181:
602:Sudan IV is one of the dyes used for
348:Key: RCTGMCJBQGBLKT-PAMTUDGESA-N
331:Key: RCTGMCJBQGBLKT-PAMTUDGESA-N
148:
128:
7:
341:Key: RCTGMCJBQGBLKT-PAMTUDGEBE
241:
225:
1234:Grocott's methenamine silver stain
651:In its purified form it is called
25:
867:Microbial and histological stains
52:1-phenyl}diazenyl]naphthalen-2-ol
522:
430:
33:
518:(at 25 °C , 100 kPa).
1:
735:"Oil Red O Staining Protocol"
689:. Sudan IV is also used in
1334:
960:Periodic acidâSchiff stain
512:
411:
406:
377:
357:
315:
68:
58:
46:
41:
32:
1313:IARC Group 3 carcinogens
1102:Light Green SF yellowish
1093:Masson's trichrome stain
1052:Auramineârhodamine stain
760:J. Biochem. Mol. Toxicol
473:Precautionary statements
606:. Similar dyes include
1219:SchaefferâFulton stain
1189:Gömöri trichrome stain
1194:Luxol fast blue stain
1069:Auramine phenol stain
1239:WarthinâStarry stain
1112:Phosphomolybdic acid
48:Preferred IUPAC name
1255:Tissue stainability
1027:ZiehlâNeelsen stain
887:Perls Prussian blue
697:to dye lower-taxed
29:
1229:Bielschowsky stain
1131:Van Gieson's stain
1097:Lillie's trichrome
653:Biebrich scarlet R
575:(fat-soluble dye)
545:Infobox references
27:
1280:
1279:
1081:Connective tissue
772:10.1002/jbt.20220
624:isopropyl alcohol
553:Chemical compound
551:
550:
455:Hazard statements
284:CompTox Dashboard
110:Interactive image
16:(Redirected from
1325:
1107:Biebrich scarlet
860:
853:
846:
837:
817:
816:
814:
812:
798:
792:
791:
755:
749:
748:
746:
745:
731:
657:Biebrich scarlet
620:propylene glycol
535:
529:
526:
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508:
504:
500:
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492:
488:
484:
480:
466:
462:
434:
385:Chemical formula
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307:
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194:
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172:
152:
132:
112:
88:
37:
30:
21:
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1328:
1327:
1326:
1324:
1323:
1322:
1283:
1282:
1281:
1276:
1250:
1135:
1089:trichrome stain
1075:
987:
964:
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891:
869:
864:
826:
821:
820:
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808:
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799:
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723:
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540: ?)
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5:
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1246:Wright's stain
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1117:Fast Green FCF
1114:
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1074:
1073:
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1071:
1066:
1065:
1064:
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1049:
1048:
1047:
1045:Methylene blue
1042:
1036:Carbol fuchsin
1019:
1018:
1017:
1012:
1010:Gentian violet
997:
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988:
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824:External links
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819:
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806:MilliporeSigma
793:
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719:
691:United Kingdom
682:products, and
604:Sudan staining
568:
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516:standard state
513:
510:
509:
491:P305+P351+P338
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18:Solvent Red 24
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3:
2:
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1298:Staining dyes
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1222:
1220:
1217:
1215:
1212:
1210:
1209:Movat's stain
1207:
1205:
1204:Moeller stain
1202:
1200:
1197:
1195:
1192:
1190:
1187:
1185:
1182:
1180:
1179:Janus Green B
1177:
1173:
1170:
1168:
1165:
1164:
1163:
1162:H&E stain
1160:
1158:
1155:
1153:
1150:
1148:
1147:Cresyl violet
1145:
1144:
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1138:
1132:
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1128:
1123:
1120:
1118:
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1055:
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1043:
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1034:
1033:
1032:
1031:Kinyoun stain
1028:
1025:
1024:
1023:
1020:
1016:
1013:
1011:
1007:
1006:Methyl violet
1004:
1003:
1002:
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979:
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973:
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961:
958:
956:
953:
951:
948:
947:
945:
943:
942:Carbohydrates
939:
931:
930:Sudan Black B
928:
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923:
921:
918:
916:
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629:
625:
621:
617:
616:Sudan Black B
613:
609:
605:
600:
598:
594:
590:
589:triglycerides
586:
582:
579:used for the
578:
574:
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302:
301:DTXSID8041743
298:
297:
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219:
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189:
186:
184:
182:ECHA InfoCard
179:
178:
171:
167:
166:
164:
162:
159:
158:
151:
150:ChEMBL1707454
147:
146:
144:
142:
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119:
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111:
107:
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67:
57:
49:
45:
40:
36:
31:
19:
1272:Chromophobic
1224:Silver stain
1184:Giemsa stain
1167:Haematoxylin
919:
809:. Retrieved
805:
796:
766:(2): 77â84.
763:
759:
753:
742:. Retrieved
738:
729:
715:
702:
661:
652:
650:
632:
601:
593:lipoproteins
556:
555:
446:
413:
69:Identifiers
59:Other names
1318:2-Naphthols
1262:Acidophilic
1214:Neutral red
1199:Methyl blue
1062:Rhodamine B
955:Mucicarmine
950:Alcian blue
905:Sudan stain
879:hemosiderin
830:Stains File
811:15 February
703:Oil Tax Red
699:heating oil
680:hydrocarbon
441:Signal word
378:Properties
188:100.001.487
130:CHEBI:88014
1303:Sudan dyes
1287:Categories
1267:Basophilic
1122:Sirius Red
1057:Auramine O
1001:Gram stain
983:Thioflavin
802:"Sudan IV"
744:2021-03-17
721:References
711:carcinogen
678:, various
642:carcinogen
595:on frozen
573:lysochrome
425:Pictograms
272:I35E9QU96C
161:ChemSpider
97:3D model (
76:CAS Number
1308:Fuel dyes
1022:Acid-fast
978:Congo red
925:Oil Red O
915:Sudan III
788:206010951
739:IHC World
687:emulsions
638:Sudan III
612:Sudan III
608:Oil Red O
577:diazo dye
503:P337+P313
499:P332+P313
487:P302+P352
416:labelling
209:201-635-8
201:EC Number
28:Sudan IV
1293:Azo dyes
1040:Fuchsine
1015:Safranin
993:Bacteria
920:Sudan IV
910:Sudan II
780:18418879
707:food dye
695:fuel dye
597:paraffin
581:staining
571:O) is a
557:Sudan IV
407:Hazards
402:O
170:11252033
1172:Eosin Y
1152:Cyanine
970:Amyloid
705:. As a
684:acrylic
676:greases
644:by the
634:Sudan I
628:ethanol
538:what is
536: (
447:Warning
239:PubChem
86:85-83-6
897:Lipids
786:
778:
626:, 95%
614:, and
585:lipids
533:verify
530:
362:SMILES
227:C19520
141:ChEMBL
42:Names
1140:Other
832:entry
784:S2CID
693:as a
672:waxes
320:InChI
252:62330
121:ChEBI
99:JSmol
875:Iron
813:2023
776:PMID
668:fats
664:oils
591:and
507:P362
495:P321
483:P280
479:P264
465:H319
461:H315
263:UNII
218:KEGG
768:doi
583:of
414:GHS
289:EPA
242:CID
1289::
1091::
804:.
782:.
774:.
764:22
762:.
737:.
674:,
670:,
666:,
659:.
648:.
636:,
610:,
587:,
565:20
561:24
559:(C
505:,
501:,
497:,
493:,
489:,
485:,
481:,
463:,
418::
396:20
392:24
1095:/
1038:/
1029:/
1008:/
877:/
859:e
852:t
845:v
815:.
790:.
770::
747:.
569:4
567:N
563:H
528:N
400:4
398:N
394:H
390:C
291:)
287:(
101:)
20:)
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
