Basic information Safety Supplier Related

Methyl Green

Basic information Safety Supplier Related

Methyl Green Basic information

Product Name:
Methyl Green
Synonyms:
  • PARIS GREEN
  • n,n-trimethyl-n-1-ylidene]methyl]-dichloride
  • METHYL GREEN
  • METHYL GREEN ZINC CHLORIDE DOUBLE SALT
  • Benzenaminium, 4-4-(dimethylamino)phenyl4-(dimethyliminio)-2,5-cyclohexadien-1-ylidenemethyl-N,N,N-trimethyl-, dichloride
  • Methyl Green Dichloride
  • HEPTAMETHYL-P-ROSANILINE CHLORIDE
  • GLYCEROL /METHYL GREEN
CAS:
82-94-0
MF:
C26H33ClN3+
MW:
423.02
EINECS:
201-447-6
Mol File:
82-94-0.mol
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Methyl Green Chemical Properties

Water Solubility 
Soluble in water
solubility 
Methanol (Slightly), Water (Slightly)
Colour Index 
42585
form 
Liquid
color 
Clear blue-green
PH Range
0.1(yellow)-2.3(blue)
Stability:
Hygroscopic
CAS DataBase Reference
82-94-0
EPA Substance Registry System
C.I. Basic Blue 20 (82-94-0)
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Safety Information

HS Code 
3204.13.8000
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Methyl Green Usage And Synthesis

Description

Methyl Green is a DNA stain used as a tracking dye in acid buffers for electrophoresis. It helps differentiate bacteria and is also a tissue stain for nucleoli and mitochondria in tissues. It is used with Bismarck Brown frequently.

Uses

Methyl Green powder dye is used in various staining methods in microscopy. It is also used with Pyronine Y dye for one stage DNA (green) and RNA (red) staining method. It is also used as a counterstain with other reactions, such as demonstration of enzymatic activity and for mitochondrial staining according to Altmann. Methyl green solution is a suitable counterstain for chloroacetate esterase, nonspecific esterase, alkaline phosphatase, peroxidase, naphthol AS acetate esterase, and acid phosphatase.

Definition

ChEBI: Methylene green is an organic chloride salt having 3,7-bis(dimethylamino)-4-nitrophenothiazin-5-ium as the counterion. It stains nuclei green and is sometimes used as a counterstain to red or purple primary stains. It has a role as a fluorochrome and a histological dye. It contains a 3,7-bis(dimethylamino)-4-nitrophenothiazin-5-ium.

Preparation

chlorine methane and (C.I.Basic Violet 1, C.I. 42535) reaction

Properties and Applications

green light blue. Soluble in water for blue light green, not soluble in ethanol and e alcohol. The strong sulfuric acid to red light yellow, yellow green for diluted. Dyes to join sodium hydroxide solution to colorless.

Standard( Cotton ) Light Fastness Persperation Fastness Ironing Fastness Soaping
Fading Stain Fading Stain Fading Stain
C 1 2

Purification Methods

Crystallise the dye from hot water. [Beilstein 13 IV 2286.]

Methyl GreenSupplier

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