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Sigma-Aldrich

Thiazole Yellow G

for microscopy (fluorescence indicator), adsorption indicator

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Synonym(s):
Direct Yellow 9, Mimosa, Titan Yellow
Empirical Formula (Hill Notation):
C28H19N5Na2O6S4
CAS Number:
1829-00-1
Molecular Weight:
695.72
Colour Index Number:
19540
Beilstein:
3646510
EC Number:
217-377-4
MDL number:
MFCD00013091
PubChem Substance ID:
329769648
NACRES:
MA.02

grade

adsorption indicator
for microscopy (fluorescence indicator)

Quality Level

200

form

powder

solubility

hot water: 0.1 g/10 mL

εmax

≥250 at 397-407 nm in water

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

[Na+].[Na+].Cc1ccc2nc(sc2c1S([O-])(=O)=O)-c3ccc(N\N=N\c4ccc(cc4)-c5nc6ccc(C)c(c6s5)S([O-])(=O)=O)cc3

InChI

1S/C28H21N5O6S4.2Na/c1-15-3-13-21-23(25(15)42(34,35)36)40-27(29-21)17-5-9-19(10-6-17)31-33-32-20-11-7-18(8-12-20)28-30-22-14-4-16(2)26(24(22)41-28)43(37,38)39;;/h3-14H,1-2H3,(H,31,32)(H,34,35,36)(H,37,38,39);;/q;2*+1/p-2

InChI key

CZIRZNRQHFVCDZ-UHFFFAOYSA-L

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General description

Thiazole Yellow G is a pH sensitive chromoionophore.

Application

Thiazole Yellow G has been used as a stain and fluorescent indicator for photocatalytic transformation of azo dyes.
indicator pH 12.0-13.0,; for the determination of Mg

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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M H Kroll et al.
Clinical chemistry, 31(3), 462-465 (1985-03-01)
In photometry, where both the product formed and one or several reactants absorb light at the same wavelength, the absorbance of the "blank" of the sample at the end of the reaction may be less than that measured at the
Xiaoqin Wei et al.
Analytical and bioanalytical chemistry, 385(6), 1039-1044 (2006-06-01)
Tetracycline antibiotics (TCs) such as doxycycline (DOTC), chlortetracycline (CTC), oxytetracycline (OTC), and tetracycline (TC) react with Cu(II) in pH 3.5 BR buffer medium to form 1:1 cationic chelates, which further react with titan yellow to form 2:1 ion association complexes.
Su-ling Feng et al.
Guang pu xue yu guang pu fen xi = Guang pu, 25(6), 927-929 (2005-10-06)
A resonance light scattering method for the determination of trace proteins was developed. In the presence of Triton X-100, proteins reacted with Titan yellow to form a combination product, resulting a significant enhancement of resonance light scattering (RLS). The deltaI(RLS)
W Müller et al.
Zentralblatt fur Pathologie, 140(4-5), 309-315 (1994-11-01)
The Magneson and Titan yellow tests were used to detect Mg in amyloid deposits in primary and secondary amyloidosis, in a pituitary tumour and in a case of equine cutaneous amyloidosis. Especially vascular amyloid deposits turned out to contain high
P J Meechan et al.
Health physics, 73(5), 808-813 (1997-11-05)
Fluorescent and colored compounds used in molecular biology labs may generate color quench in wipe test samples taken from such labs. The ability of conventional chemical quench curves to correct for color quench caused by fluorescent and colored compounds in
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