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198102

Sigma-Aldrich

Sudan IV

Certified Biological Stain Commission,Dye content ≥80 %

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Synonym(s):
Biebrich scarlet R fat soluble, Fat Ponceau R or 4, Lipid Crimson, Oil Red IV, Scarlet Red Scharlach, Solvent Red 24, Sudan R or BB
Empirical Formula (Hill Notation):
C24H20N4O
CAS Number:
Molecular Weight:
380.44
Colour Index Number:
26105
Beilstein:
709018
EC Number:
MDL number:
PubChem Substance ID:

form

powder

composition

Certified Biological Stain Commission,Dye content, ≥80%

mp

199 °C (dec.) (lit.)

λmax

357 nm (2nd)
520 nm

ε (extinction coefficient)

≥12000 at 356-360 nm in toluene at 0.008 g/L
≥26000 at 519-523 nm in toluene at 0.008 g/L

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

Cc1ccccc1\N=N\c2ccc(\N=N\c3c(O)ccc4ccccc34)c(C)c2

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+

InChI key

RCTGMCJBQGBLKT-PAMTUDGESA-N

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1 of 4

This Item
S4261103624S4136
Sudan IV Certified Biological Stain Commission,Dye content ≥80 %

Sigma-Aldrich

198102

Sudan IV

Sudan IV certified by the Biological Stain Commission, BioXtra

Sigma-Aldrich

S4261

Sudan IV

Sudan I Dye content ≥95 %

Sigma-Aldrich

103624

Sudan I

Sudan III BioXtra, certified by the Biological Stain Commission

Sigma-Aldrich

S4136

Sudan III

composition

Certified Biological Stain Commission,Dye content, ≥80%

composition

Dye content, ≥80%

composition

Dye content, ≥95%

composition

Dye content, ≥80%

mp

199 °C (dec.) (lit.)

mp

199 °C (dec.) (lit.)

mp

131-133 °C (lit.)

mp

199 °C (dec.) (lit.)

λmax

357 nm (2nd), 520 nm

λmax

356-360 nm (2nd), 519-523 nm (1st)

λmax

418 nm, 476 nm (2nd)

λmax

-

ε (extinction coefficient)

≥12000 at 356-360 nm in toluene at 0.008 g/L, ≥26000 at 519-523 nm in toluene at 0.008 g/L

ε (extinction coefficient)

-

ε (extinction coefficient)

-

ε (extinction coefficient)

-

application(s)

diagnostic assay manufacturing
hematology
histology

application(s)

diagnostic assay manufacturing
hematology
histology

application(s)

diagnostic assay manufacturing
hematology
histology

application(s)

diagnostic assay manufacturing
hematology
histology

General description

Sudan IV is a hydrophobic azo dye. It stains triglycerides and imparts an intense red color. The dye does not stain lipid droplets or phospholipids.

Application

Sudan IV has been used to in en-face staining of aorta, stains the lipid rich plaques. It has also been used to stain lipids atherosclerotic lesions of mice.

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Skin Sens. 1A

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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Oil Red EGN

Para Red Dye content 95 %

Sigma-Aldrich

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Para Red

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Aorta atherosclerosis lesion analysis in hyperlipidemic mice
Mohanta S, et al.
Bio-protocol, 6(11), 77-84 (2016)
The induction of cytochrome P450 1A1 by Sudan dyes
Ahmed R, et al.
Journal of Biochemical and Molecular Toxicology, 22(2), 77-84 (2008)
The
Histophatologic Techniques (2006)
In Situ Remediation of Chlorinated Solvent Plumes (2010)
Discovery of a potent HMG-CoA reductase degrader that eliminates statin-induced reductase accumulation and lowers cholesterol
Jiang SY, et al.
Nature Communications, 9(1), 5138-5138 (2018)

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