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Safety Information

S4261

Sigma-Aldrich

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

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About This Item

Empirical Formula (Hill Notation):
C24H20N4O
CAS Number:
85-83-6
Molecular Weight:
380.44
Colour Index Number:
26105
Beilstein:
709018
EC Number:
201-635-8
MDL number:
MFCD00003893
UNSPSC Code:
12171500
PubChem Substance ID:
24899597
NACRES:
NA.47

product name

Sudan IV, BioXtra, certified by the Biological Stain Commission

grade

certified by the Biological Stain Commission

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

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Suitability

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.

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H317

Precautionary Statements

P280 - P302 + P352

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

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

S4261-BULK:
S4261-VAR:
S4261-25G:

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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Litchi (Litchi chinensis Sonn.) is a subtropical fruit known for its attractive red pericarp color, semi-translucent white aril and unique flavor and aroma. Rapid post-harvest pericarp browning strictly limits litchi fruit marketing. In the current research, we hypothesized that modification
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