METHYL GREEN
METHYL GREEN For Microscopical Staining
C.I.No.42590It is used as counterstain in Altamann's technique for mitochondria in Kumics Methylgreen-Pyronin. Stain for nuclei & cytoplasmic granules of liver cells.
Short Name: METHYL GREEN
Synonym: BASIC BLUE 20, 4-[[4-(Dimethylamino)phenyl][4-(dimethyliminio)cyclohexa-2,5-dien-1-ylidene]methyl]-N,N,N-trimethylanilinium dichloride
Basic Details
Article No.
LG3067
Grade
For Microscopical Staining
Purity
65% dye content
CAS No.
7114-03-6
HS Code
3204.9000
Shelf Life
60 Months
Packings Avialable
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
Chemical Specifications
Appearance
Dark green to red brown powder
Absorption maxima in water
630 - 635 nm
Absorptivity (A 1%/1cm; at λmax; in water)
Min 400
Ratio λmax.P+/-15 nm
0.86 -1.11
Loss on drying (at 135°C)
Max 10%
Safety Information & Hazard Symbols
Symbol
GHS07
Signal Word
Warning
Hazardous Statement
H315-H319-H335
Precaution Statement
P261-P305 + P351 + P338