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Sigma-Aldrich

Brilliant Yellow

Dye content ≥50 %

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Synonym(s):
Direct Yellow 4
Empirical Formula (Hill Notation):
C26H18N4Na2O8S2
CAS Number:
3051-11-4
Molecular Weight:
624.55
Colour Index Number:
24890
Beilstein:
4122338
EC Number:
221-267-1
MDL number:
MFCD00007489
PubChem Substance ID:
24852007
NACRES:
NA.47

form

powder

Quality Level

100

composition

Dye content, ≥50%

technique(s)

titration: suitable

visual transition interval

6.5-8.0, orange to red-orange

λmax

497 nm at 0.1 N in NaOH

ε (extinction coefficient)

≥37000 at 260-268 nm
≥37000 at 486-494 nm

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

[Na+].[Na+].Oc1ccc(cc1)\N=N\c2ccc(\C=C\c3ccc(cc3S([O-])(=O)=O)\N=N\c4ccc(O)cc4)c(c2)S([O-])(=O)=O

InChI

1S/C26H20N4O8S2.2Na/c31-23-11-7-19(8-12-23)27-29-21-5-3-17(25(15-21)39(33,34)35)1-2-18-4-6-22(16-26(18)40(36,37)38)30-28-20-9-13-24(32)14-10-20;;/h1-16,31-32H,(H,33,34,35)(H,36,37,38);;/q;2*+1/p-2/b2-1+,29-27+,30-28+;;

InChI key

YLDIUICHQPKMNH-MAPAHAHLSA-L

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General description

Brilliant Yellow is an orange colored powder and it belongs to the group of azo dyes. It is yellow at pH 6.4 and red-orange at pH 8.0. Brilliant Yellow has been widely used as a biosensor, anti-fungal agent, anti-AIDS (acquired immunodeficiency syndrome) agent and is used in assays for enzyme activity.

Application

Brilliant Yellow has been used to determine the transfer of inoculum from male moths to females during mating.

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

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Valtencir Zucolotto et al.
Journal of nanoscience and nanotechnology, 4(7), 855-860 (2004-12-02)
The nanoscale interactions between adjacent layers of layer-by-layer (LBL) films from poly(allylamine hydrochloride) (PAH) and azodye Brilliant Yellow (BY) have been investigated, with the films employed for optical storage and the formation of surface-relief gratings. Using Fourier transform infrared spectroscopy
Lee C West et al.
Organic & biomolecular chemistry, 1(5), 887-894 (2003-08-22)
Complexation of the Brilliant Yellow tetraanion, 3(4-), by two new diazacoronand linked beta-cyclodextrin (beta CD) dimers 4,13-bis(2-(6A-deoxy-beta-cyclodextrin-6A-yl)aminooctylamidomethyl- and 4,13-bis(8-(6A-deoxy-beta-cyclodextrin-6A-yl)aminooctylamidomethyl)-4,13- diaza-1,7,10-trioxacyclopentadecane, 1 and 2, respectively, has been studied in aqueous solution. UV-visible spectrophotometric studies at 298.2 K, pH 10.0 and I
C Cowherd et al.
American Industrial Hygiene Association journal, 50(3), 131-138 (1989-03-01)
Worker exposure to airborne particulates was stimulated in a laboratory under controlled conditions. Small volumes, 3.8 L (1 gal.), of finely divided powders were transferred at 1-min intervals to 23-L (6-gal.) containers over 30-min time intervals. A high-volume filter array
Z Salamon et al.
Journal of photochemistry and photobiology. B, Biology, 3(3), 351-357 (1989-06-01)
In this paper the phenomenon of a photosensitive ion complex of Brilliant Yellow and ferric ions formation in the electrolyte phase and its subsequent deposition within a bilayer lipid membrane (BLM) is described. Deposition of light sensitive complex into the
Yuya Egawa et al.
Analytical sciences : the international journal of the Japan Society for Analytical Chemistry, 22(8), 1117-1119 (2006-08-10)
Multilayered thin films containing poly(allylamine) (PAA) and brilliant yellow (BY) were prepared on a quartz slide by a layer-by-layer (LBL) deposition technique. The UV-visible spectra of the PAA/BY films were sufficiently changed depending upon the pH value of the solution
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