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206342

Sigma-Aldrich

Celestine blue

Dye content 80 %

Synonym(s):

Mordant Blue 14

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About This Item

Empirical Formula (Hill Notation):
C17H18ClN3O4
CAS Number:
1562-90-9
Molecular Weight:
363.80
Colour Index Number:
51050
Beilstein/REAXYS Number:
3830911
EC Number:
216-346-2
MDL number:
MFCD00011927
UNSPSC Code:
12171500
PubChem Substance ID:
24852395
NACRES:
NA.47

form

powder

composition

Dye content, 80%

mp

227-230 °C

solubility

water: 0.1%

λmax

642 nm

ε (extinction coefficient)

≥29000 at 640-650 nm in water at 0.01 g/L

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

[Cl-].CC\[N+](CC)=C1/C=CC2=Nc3c(OC2=C1)c(O)c(O)cc3C(N)=O

InChI

1S/C17H17N3O4.ClH/c1-3-20(4-2)9-5-6-11-13(7-9)24-16-14(19-11)10(17(18)23)8-12(21)15(16)22;/h5-8H,3-4H2,1-2H3,(H3-,18,19,21,22,23);1H

InChI key

VXAFJUDTZSMEFN-UHFFFAOYSA-N

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Application

May be substituted for hematoxylin in hematoxylin and eosin procedures.

Biochem/physiol Actions

Celestine blue (CB) is an oxazine dye and is used in combination with the alum hematoxylin, as a nuclear stain. It gives good nuclear definition and is resistant to strong acid dyes. Celestine blue is commonly used for routine staining of fixed sections. It has been used as a new electroactive indicator in DNA biosensors.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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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Y Kiyota et al.
Experimental brain research, 95(3), 388-396 (1993-01-01)
The objective of this study was to assess whether dimethylthiourea (DMTU), an established free radical scavenger, ameliorates ischaemic damage due to 2-3 h of transient middle cerebral artery (MCA) occlusion, induced by an intraluminal filament. A major point addressed was
H Troyer et al.
Stain technology, 56(1), 39-43 (1981-01-01)
A staining procedure is described for use with glycol methacrylate embedded tissue sections which does not stain the plastic embedment or remove the sections from the glass slides. The basic dye is celestine blue B. It is prepared by treating
A Rami et al.
Brain research, 866(1-2), 299-312 (2000-05-29)
The differentiated cells seem to share the ability to induce their own death by the activation of an internally encoded suicide program. When activated, this suicide program initiates a characteristic form of cell death called apoptosis. A central challenge in
Celestine blue as a new indicator in
electrochemical DNA biosensors
Asl E H
Science China: Chemistry (2015)
M K Dutt
Microscopica acta, 86(3), 201-205 (1982-09-01)
This paper presents methods for specific staining of nuclei with aqueous solutions of celestin blue B and gallocyanine in tissue sections from which RNA has been extracted selectively with concentrated phosphoric acid at 5 degrees C for 20 min or
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