Skip to Content
Merck
CN

Key Documents

View All Documentation

S4261

Sudan IV

Dye content, ≥80%, certified by the Biological Stain Commission, powder

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
UNSPSC Code:
12171500
NACRES:
NA.47
PubChem Substance ID:
24899597
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

Product Name

Sudan IV, certified by the BSC, BioXtra

agency

certified by the BSC

Quality Segment

product line

BioXtra

form

powder

composition

Dye content, ≥80%

mp

199 °C (dec.) (lit.)

λmax

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

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

Application

Certified as a fat staining using the Churukian variant of the Lillie-Ashburn supersaturated isopropanol method. Sudan IV is substituted for the oil red O in the procedure.

Still not finding the right product?

Explore all of our products under Sudan IV

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Codes

H317

Precautionary Statements

P280 - P302 + P352

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