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306436

Sigma-Aldrich

Sudan Blue II

Dye content 98 %

Synonym(s):

Solvent Blue 35

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About This Item

Empirical Formula (Hill Notation):
C22H26N2O2
CAS Number:
Molecular Weight:
350.45
Colour Index Number:
61554
Beilstein/REAXYS Number:
2398560
EC Number:
MDL number:
UNSPSC Code:
12171500
PubChem Substance ID:
NACRES:
NA.47

form

powder or crystals

Quality Level

composition

Dye content, 98%

technique(s)

microbe id | staining: suitable

mp

120-122 °C (lit.)

solubility

chloroform: 4 mg/mL, clear to opaque, blue

ε (extinction coefficient)

≥16000 at 648-652 nm in chloroform at 0.01 g/L

λmax

≥13000 at 600-604 nm in chloroform at 0.01 g/L (2nd)

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

CCCCNc1ccc(NCCCC)c2C(=O)c3ccccc3C(=O)c12

InChI

1S/C22H26N2O2/c1-3-5-13-23-17-11-12-18(24-14-6-4-2)20-19(17)21(25)15-9-7-8-10-16(15)22(20)26/h7-12,23-24H,3-6,13-14H2,1-2H3

InChI key

OCQDPIXQTSYZJL-UHFFFAOYSA-N

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General description

Sudan Blue II, also known as Solvent Blue 35 or Oil Blue 35, is a synthetic dye, with a functional azo group and aromatic ring. It is derived from anthraquinone.

Application

Sudan Blue II is used as a dye for staining alcohols, ester, hydrocarbon derivatives, oils, fats, and waxes.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)


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Spectrophotometric determination of Sudan Blue II in environmental samples after dispersive liquid-liquid microextraction
Unsal Y E
Quimica nova, 37 (2014)

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