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201375

Brilliant Yellow

Name: Brilliant Yellow
Brand: ALDRICH

Dye content ≥50 %

Synonym(s):

Direct Yellow 4

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About This Item

Empirical Formula (Hill Notation):

C₂₆H₁₈N₄Na₂O₈S₂

CAS Number:

3051-11-4

Molecular Weight:

624.55

EC Number:

221-267-1

UNSPSC Code:

12171500

NACRES:

NA.47

PubChem Substance ID:

24852007

MDL number:

MFCD00007489

Colour Index Number:

24890

Beilstein/REAXYS Number:

4122338

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Properties

form

powder

Quality Segment

100

composition

Dye content, ≥50%

technique(s)

titration: suitable

visual transition interval

6.5-8.0, orange to red-orange

λ_max

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

Description

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

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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