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Sigma-Aldrich

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

Dye content 80 %

Sinonimo/i:

DMMB, Taylor’s Blue

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About This Item

Formula empirica (notazione di Hill):
C18H22ClN3S · 0.5ZnCl2
Numero CAS:
931418-92-7
Peso molecolare:
416.05
Numero MDL:
MFCD19686959
Codice UNSPSC:
12171500
ID PubChem:
24860900
NACRES:
NA.47

Forma fisica

powder

Livello qualitativo

200

Composizione

Dye content, 80%

Impurezze

<20% water

Punto di fusione

250 °C (dec.) (lit.)

λmax

649 nm

ε (coefficiente d’estinzione)

≥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

applicazioni

diagnostic assay manufacturing
hematology
histology

Temperatura di conservazione

room temp

Stringa SMILE

[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
MKLBAKXCEQNMBC-UHFFFAOYSA-J

Applicazioni

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.

Pittogrammi

Exclamation mark
GHS07

Avvertenze

Warning

Indicazioni di pericolo

H319

Consigli di prudenza

P305 + P351 + P338

Classi di pericolo

Eye Irrit. 2

Codice della classe di stoccaggio

11 - Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 3

Dispositivi di protezione individuale

dust mask type N95 (US), Eyeshields, Gloves

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Certificati d'analisi (COA)

Lot/Batch Number
0000241219
MKCM5250
MKCH6422
MKCF2084
MKCF2085

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