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Merck
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Key Documents

200220

Sigma-Aldrich

Azure II eosinate

powder

Synonym(s):

Azure II-eosin; Methylene blue

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About This Item

CAS Number:
MDL number:
UNSPSC Code:
12171500
PubChem Substance ID:
NACRES:
NA.47

form

powder

Quality Level

technique(s)

microbe id | staining: suitable

color

dark green

solubility

soluble, hazy to turbid

λmax

524 nm (2nd)
647 nm

Amax

≥0.50 at 645-655 nm in methanol at 0.005 g/L

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

[Na+].[Na+].[Cl-].[Cl-].CNc1ccc2N=C3C=C\C(C=C3Sc2c1)=[N+](/C)C.CN(C)c4ccc5N=C6C=C\C(C=C6Sc5c4)=[N+](/C)C.[O-]C(=O)c7ccccc7C8=C9C=C(Br)C(=O)C(Br)=C9Oc%10c(Br)c([O-])c(Br)cc8%10

InChI

1S/C20H8Br4O5.C16H18N3S.C15H15N3S.2ClH.2Na/c21-11-5-9-13(7-3-1-2-4-8(7)20(27)28)10-6-12(22)17(26)15(24)19(10)29-18(9)14(23)16(11)25;1-18(2)11-5-7-13-15(9-11)20-16-10-12(19(3)4)6-8-14(16)17-13;1-16-10-4-6-12-14(8-10)19-15-9-11(18(2)3)5-7-13(15)17-12;;;;/h1-6,25H,(H,27,28);5-10H,1-4H3;4-9H,1-3H3;2*1H;;/q;+1;;;;2*+1/p-3

InChI key

CSDDIABEPMTRIP-UHFFFAOYSA-K

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Features and Benefits

Chief ingredient of Giemsa Stain.

Pictograms

Corrosion

Signal Word

Danger

Hazard Statements

Precautionary Statements

Hazard Classifications

Eye Dam. 1

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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