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341088

Sigma-Aldrich

1,9-Dimethyl-Methylene Blue zinc chloride double salt

Dye content 80 %

Sinónimos:

DMMB, Taylor’s Blue

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About This Item

Fórmula empírica (notación de Hill):
C18H22ClN3S · 0.5ZnCl2
Número de CAS:
931418-92-7
Peso molecular:
416.05
Número MDL:
MFCD19686959
Código UNSPSC:
12171500
ID de la sustancia en PubChem:
24860900
NACRES:
NA.47

formulario

powder

Nivel de calidad

200

composición

Dye content, 80%

impurezas

<20% water

mp

250 °C (dec.) (lit.)

λmáx.

649 nm

ε (coeficiente de extinción)

≥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

aplicaciones

diagnostic assay manufacturing
hematology
histology

temp. de almacenamiento

room temp

cadena SMILES

[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

Clave InChI

MKLBAKXCEQNMBC-UHFFFAOYSA-J

Aplicación

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.

Pictogramas

Exclamation mark
GHS07

Palabra de señalización

Warning

Frases de peligro

H319

Consejos de prudencia

P305 + P351 + P338

Clasificaciones de peligro

Eye Irrit. 2

Código de clase de almacenamiento

11 - Combustible Solids

Clase de riesgo para el agua (WGK)

WGK 3

Equipo de protección personal

dust mask type N95 (US), Eyeshields, Gloves

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Certificados de análisis (COA)

Lot/Batch Number
0000241219
MKCM5250
MKCH6422
MKCF2084
MKCF2085

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