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

SIAL/341088 - Dye content 80 %

Synonym: DMMB; Taylor’s Blue

CAS Number: 931418-92-7
Empirical Formula (Hill Notation): C18H22ClN3S · 0.5ZnCl2
Molecular Weight: 416.05
MDL Number: MFCD19686959
Linear Formula: C18H22ClN3S · 0.5ZnCl2
Product Type: Chemical
Catalog Number PKG Qty. Price Quantity
45-341088-1G 1 g
 $101.00
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This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: 341088-1G

 

ε (extinction coefficient) ≥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
λmax 649 nm
application(s) diagnostic assay manufacturing
hematology
histology
composition Dye content, 80%
form powder
impurities <20% water
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
InChI key MKLBAKXCEQNMBC-UHFFFAOYSA-J
mp 250 °C (dec.) (lit.)
Quality Level 200 
SMILES string [Cl-].[Cl-].Cl[Zn]Cl.CN(C)c1cc(C)c2N=C3C(C)=CC(C=C3Sc2c1)=[N+](/C)C.CN(C)c4cc(C)c5N=C6C(C)=CC(C=C6Sc5c4)=[N+](/C)C
storage temp. room temp
technique(s) titration: suitable
Application: 1,9-Dimethyl-Methylene Blue zinc chloride double salt has been used for the quantification of sulfated glycosaminoglycans.
Application: DMMB is a cationic dye that specifically binds to sulfated glycosaminoglycans (sGAG) with an absorbance at ~525 nm.
Application: 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.
Packaging: 1 g in glass bottle
Symbol GHS07  GHS07
Signal word Warning
Hazard statements H319
Precautionary statements P305 + P351 + P338
Hazard Codes Xi
Risk Statements 36
Safety Statements 26-37/39
RIDADR NONH for all modes of transport
WGK Germany WGK 3
mp 250 °C (dec.) (lit.)
Storage Temp. room temp
UNSPSC 12171500

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