Basic Green 5
Name:C.I.Basic Green 5,C.I.52020
Molecular Structure: thiazine class
Molecular Formula:C16H17ClN4O2S
Molecular Weight: 364.85
CAS Registry Number:2679-01-8
Manufacturing Methods : 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 |
List of Suppliers:
Methylene Green( Simpsons (UK) Ltd )