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S4136

Sigma-Aldrich

Sudan III

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

Synonym(s):

1-[4-(Phenylazo)phenylazo]-2-naphthol, Cerasin Red, Fat Ponceau G, Fat Soluble Sudan, Scarlet B, Solvent Red 23, Sudan G, Sudan Red BK, Tony Red

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About This Item

Empirical Formula (Hill Notation):
C22H16N4O
CAS Number:
85-86-9
Molecular Weight:
352.39
Colour Index Number:
26100
Beilstein/REAXYS Number:
931185
EC Number:
201-638-4
MDL number:
MFCD00003905
UNSPSC Code:
12171500
PubChem Substance ID:
24899589
NACRES:
NA.47

product name

Sudan III, certified by the Biological Stain Commission, BioXtra

grade

certified by the Biological Stain Commission

Quality Level

200

product line

BioXtra

form

powder

composition

Dye content, ≥80%

mp

199 °C (dec.) (lit.)

solubility

toluene: 1 mg/mL, clear, red

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

Oc1ccc2ccccc2c1\N=N\c3ccc(cc3)\N=N\c4ccccc4

InChI

1S/C22H16N4O/c27-21-15-10-16-6-4-5-9-20(16)22(21)26-25-19-13-11-18(12-14-19)24-23-17-7-2-1-3-8-17/h1-15,27H/b24-23+,26-25+

InChI key

FHNINJWBTRXEBC-QSZPNPOGSA-N

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Related Categories

Suitability

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

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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