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METHYLENE GREEN

Product Name
METHYLENE GREEN
CAS No.
2679-01-8
Chemical Name
METHYLENE GREEN
Synonyms
CI 52020;CI NO 52020;METHYLENE GREEN;C.I. Basic Green 5;Methylene Green,pure;Methylene green, Certified;C.I.Basic Green 5:C.I.52020;Methylene Green C.I. No. 52020;Methylene GreenDye content: ≥ 65%;3,7-Bis(dimethylamino)-4-nitrophenothiazin-5-iumchlorid
CBNumber
CB7398317
Molecular Formula
C16H17ClN4O2S
Formula Weight
364.85
MOL File
2679-01-8.mol
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METHYLENE GREEN Property

form 
Powder
color 
Black
Stability:
Stable. Incompatible with strong oxidizing agents.
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Safety

Hazard Codes 
Xn
Risk Statements 
22
WGK Germany 
3
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Hazard and Precautionary Statements (GHS)

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N-Bromosuccinimide Price

AK Scientific
Product number
M677
Product name
MethyleneGreen
Packaging
5g
Price
$70
Updated
2021/12/16
American Custom Chemicals Corporation
Product number
DYE0002688
Product name
METHYLENE GREEN
Purity
95.00%
Packaging
5MG
Price
$502.47
Updated
2021/12/16
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METHYLENE GREEN Chemical Properties,Usage,Production

Chemical Properties

black powder

Definition

ChEBI: 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.

Preparation

commonly known as Methylene Green. (C.I.Basic Blue 9, C.I. 52015) in the first use of hydrochloric acid sodium nitrite processing, and then treated with nitric acid and zinc chloride double salt precipitation..

Properties and Applications

dark blue light green. Soluble in water for green light blue, slightly soluble in ethanol for green light blue. In the dark for the strong sulfuric acid, diluted for green light blue. Dye with sodium hydroxide solution for purple, have violet black precipitation.

Standard Light Fastness Persperation Fastness Ironing Fastness Soaping
Fading Stain Fading Stain Fading Stain
B 2 2 2
A 5 4 3 3

Purification Methods

Crystallise the dye three times from water (18mL/g). [Beilstein 27 H 399.] The ZnCl2 double salt [6722-15-2] M 866.0 has the same CI.[Beilstein 27 III/IV 5157.]

METHYLENE GREEN Preparation Products And Raw materials

Raw materials

Preparation Products

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METHYLENE GREEN Suppliers

SIGMA-RBI
Tel
--
Fax
--
Country
Switzerland
ProdList
6896
Advantage
91

2679-01-8, METHYLENE GREENRelated Search:


  • 3,7-bis(dimethylamino)-4-nitro-phenothiazin-5-iuchloride
  • METHYLENE GREEN
  • CI NO 52020
  • CI 52020
  • Phenothiazin-5-ium,3,7-bis(dimethylamino)-4-nitro-,chloride
  • 3,7-bis(dimethylamino)-4-nitrophenothiazin-5-ium chloride
  • 3,7-Bis(dimethylamino)-4-nitrophenothiazin-5-iumchlorid
  • C.I. Basic Green 5
  • Methylene Green,pure
  • Methylene GreenDye content: ≥ 65%
  • Methylene Green C.I. No. 52020
  • C.I.Basic Green 5:C.I.52020
  • N-(7-(dimethylamino)-4-nitro-3H-phenothiazin-3-ylidene)-N-methylmethanaminium chloride
  • Methylene green, Certified
  • 2679-01-8
  • C16H17ClN4O2S
  • C16H17N4O2SCl