Skip to Content
Merck
CN

Key Documents

View All Documentation

198102

Sudan IV

Certified Biological Stain Commission,Dye content ≥80 %

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

Sign In to View Organizational & Contract Pricing.

Select a Size

Change View

About This Item

Empirical Formula (Hill Notation):
C24H20N4O
CAS Number:
85-83-6
Molecular Weight:
380.44
NACRES:
NA.47
PubChem Substance ID:
24851862
UNSPSC Code:
12171500
EC Number:
201-635-8
MDL number:
MFCD00003893
Beilstein/REAXYS Number:
709018
Colour Index Number:
26105
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist

form

powder

Quality Segment

composition

Certified Biological Stain Commission,Dye content, ≥80%

technique(s)

microbe id | staining: suitable

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

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.

Still not finding the right product?

Explore all of our products under Sudan IV

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Codes

H317

Hazard Classifications

Skin Sens. 1A

Storage Class

11 - Combustible Solids

WGK

WGK 3

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable

PPE (personal protective equipment)

dust mask type N95 (US), Eyeshields, Gloves

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library