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341088

Sigma-Aldrich

1,9-Dimethyl-Methylenblau

Dye content 80 %

Synonym(e):

Taylors Blau

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About This Item

Empirische Formel (Hill-System):
C18H22ClN3S · 0.5ZnCl2
CAS-Nummer:
931418-92-7
Molekulargewicht:
416.05
MDL-Nummer:
MFCD19686959
UNSPSC-Code:
12171500
PubChem Substanz-ID:
24860900
NACRES:
NA.47

Form

powder

Qualitätsniveau

200

Zusammensetzung

Dye content, 80%

Verunreinigungen

<20% water

mp (Schmelzpunkt)

250 °C (dec.) (lit.)

λmax

649 nm

ε (Extinktionskoeffizient)

≥10000 at 243-249 nm in H2O
≥18000 at 285-291 nm in H2O
≥25000 at 594-600 nm in H2O
≥35000 at 646-652 nm in H2O

Anwendung(en)

diagnostic assay manufacturing
hematology
histology

Lagertemp.

room temp

SMILES String

[Cl-].[Cl-].Cl[Zn]Cl.CN(C)c1cc(C)c2N=C3C(C)=C\C(C=C3Sc2c1)=[N+](/C)C.CN(C)c4cc(C)c5N=C6C(C)=C\C(C=C6Sc5c4)=[N+](/C)C

InChI

1S/2C18H22N3S.4ClH.Zn/c2*1-11-7-13(20(3)4)9-15-17(11)19-18-12(2)8-14(21(5)6)10-16(18)22-15;;;;;/h2*7-10H,1-6H3;4*1H;/q2*+1;;;;;+2/p-4

InChIKey

MKLBAKXCEQNMBC-UHFFFAOYSA-J

Anwendung

1,9-Dimethyl-Methylene Blue zinc chloride double salt has been used for the quantification of sulfated glycosaminoglycans.
DMMB is a cationic dye that specifically binds to sulfated glycosaminoglycans (sGAG) with an absorbance at ~525 nm. It has been used to quantitate glycosaminoglyans such as chondroitin sulfate, keratin sulfate, and heparan sulfate and sGAG chains in proteoglycans. One limitation to this method The sGAG-DMMB complex is unstable in solution and may precipitate. Precipitation of the complex was shown to improve stability.

Piktogramme

Exclamation mark
GHS07

Signalwort

Warning

H-Sätze

H319

Gefahreneinstufungen

Eye Irrit. 2

Lagerklassenschlüssel

11 - Combustible Solids

WGK

WGK 3

Persönliche Schutzausrüstung

dust mask type N95 (US), Eyeshields, Gloves

Choose from one of the most recent versions:

Analysenzertifikate (COA)

Lot/Batch Number
0000241219
MKCM5250
MKCH6422
MKCF2084
MKCF2085

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