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Key Documents

45250

Sigma-Aldrich

Eosin Methylene blue

for microscopy (Bact.)

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About This Item

Colour Index Number:
45380/52015
MDL number:
UNSPSC Code:
12352200
PubChem Substance ID:
NACRES:
NA.47

grade

for microscopy (Bact.)

form

solid

SMILES string

[K+].COC(=O)c1ccccc1C2=C3C=C(Br)C(=O)C(Br)=C3Oc4c(Br)c([O-])c(Br)cc24

InChI

1S/C21H10Br4O5.K/c1-29-21(28)9-5-3-2-4-8(9)14-10-6-12(22)17(26)15(24)19(10)30-20-11(14)7-13(23)18(27)16(20)25;/h2-7,26H,1H3;/q;+1/p-1

InChI key

NXBZXYJXNIFCRJ-UHFFFAOYSA-M

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General description

Mixture of eosin and methylene blue stains for use in differential microbiological media to culture and identify pathogenic microorganisms, e.g., Neisseria sicca,, Acinetobacter calcoaceticus.

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Warning

Hazard Classifications

Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Sens. 1

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves


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D F Spino et al.
Applied and environmental microbiology, 41(4), 1063-1064 (1981-04-01)
Acinetobacter calcoaceticus, frequently found in drinking waters and implicated in nosocomial infections, was presumptively identified by its tiny, blue colonial appearance on Levine eosin methylene blue agar. All of the 33 isolates from drinking water showing this distinctive colonial appearance

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