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Merck

P4030

Phloxine B

Dye content, ≥80%, certified by the Biological Stain Commission, powder

Synonym(s):

2′,4′,5′,7′-Tetrabromo-4,5,6,7-tetrachlorofluorescein disodium salt, Acid Red 92, Cyanosine, D&C;Red No. 28, Eosin 10B

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About This Item

Empirical Formula (Hill Notation):
C20H2Br4Cl4Na2O5
CAS Number:
18472-87-2
Molecular Weight:
829.63
UNSPSC Code:
12171500
NACRES:
NA.47
PubChem Substance ID:
24898486
EC Number:
242-355-6
MDL number:
MFCD00070627
Colour Index Number:
45410
Beilstein/REAXYS Number:
3887100

Product Name

Phloxine B, Dye content ≥80 %, certified by the BSC

InChI key

OOYIOIOOWUGAHD-UHFFFAOYSA-L

InChI

1S/C20H4Br4Cl4O5.2Na/c21-5-1-3-17(9(23)15(5)29)32-18-4(2-6(22)16(30)10(18)24)20(3)8-7(19(31)33-20)11(25)13(27)14(28)12(8)26;;/h1-2,29-30H;;/q;2*+1/p-2

SMILES string

[Na+].[Na+].[O-]c1c(Br)cc2c(Oc3c(Br)c([O-])c(Br)cc3C24OC(=O)c5c(Cl)c(Cl)c(Cl)c(Cl)c45)c1Br

agency

certified by the BSC

form

powder

composition

Dye content, ≥80%

technique(s)

microbe id | staining: suitable

color

dark red

solubility

H2O: 1 mg/mL

εmax

1150-1300 at 546-550 nm

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

Quality Level

200

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Related Categories

Application

Phloxine B has been used as a component of yeast extract peptone dextrose (YEPD) to grow Schizosaccharomyces pombe.
Certified for use in Mallory′s phloxine-methylene blue stain; Kreyberg′s method for keratin and mucus.

General description

Phloxine B is part of the xanthylium class of dyes. The stain is mostly used to determine cell ploidy and temperature sensitivity of Schizosaccharomyces pombe. Solid media is colored a vivid pink.

Storage Class

11 - Combustible Solids

wgk

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Certificates of Analysis (COA)

Lot/Batch Number
SHBS0944
SHBQ9129
SHBQ0151
SHBM7086
MKCJ0760

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