Methyl Green Zinc Chloride double salt
C.I.No.42590 It is used as counterstain in Altamann's technique for mitochondria in Kumics Methylgreen-Pyronin. Stain for nuclei & cytoplasmic granules of liver cells.
BASIC BLUE 20, 4-[[4-(Dimethylamino)phenyl][4-(dimethyliminio)cyclohexa-2,5-dien-1-ylidene]methyl]-N,N,N-trimethylanilinium dichloride
Product Code. |
01729 |
Grade |
|
Purity |
65% dye content |
CAS No. |
7114-03-6 |
Molecular Formula |
C27H35Cl2N3.ZnCl2 |
Molecular Weight |
608.78 |
H.S.Code |
3204.90000 |
Shelf Life |
60 Months |
Physical Properties
| Physical state at 20 °C |
Solid |
Colour |
Orange yellow crystalline |
Melting point/ Freezing point [°C] |
> 300 °C |
| Solubility in water [% weight] |
Soluble in water |
Packaging
Specification
| Appearance | Dark green to red brown powder |
| Absorption maxima in water | 630 - 635 nm |
| Absorptivity (A 1%/1cm; at lmax; in water) | Min 400 |
| Ratio lmax.P+/-15 nm | 0.86 -1.11 |
| Loss on dryig (at 135°C) | Max 10% |
Safety Information and Hazard Symbols
Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H315-H319-H335
Precaution Statement: P261-P305 + P351 + P338