Methylene Blue CAS# 61-73-4
Methylene Blue, Promotion Season Now in Store and Free Sample for Testing with Factory Price
- Appearance: brown powder
- Assay: 100% min
- Packaging: 25kg/ drum.
- Sample: Available
Methylene Blue: The Complete Guide
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Quality Control of Methylene Blue
Quality Control & MSDS
Packing of Bretazenil
Description of Methylene Blue
Methylene blue has weak antiseptic properties that make it useful for the treatment of cystitis and urethritis. The action of methylene blue is considered to be bacteriostatic. The compound colors the urine and stool blue green.
Basic Info of Bretazenil
Phenothiazin-5-ium, 3,7-bis(dimethylamino)-, chloride;SWISS BLUE;Evan’s Blue;Chromosmon;CI BASIC BLUE 9;Expand
UN 1993 3/PG 3
Appearance & Physical State
green fine crystalline powder
Store at RT
What is Methylene Blue?
Part I: Introduction
With the progress of science and technology and the development of society, chemical products have invariably permeated our daily lives, in medicine, food, cosmetics, electronics, industry, and other areas, becoming an essential part of our lives. One such product is Methylene Blue which has developed particularly rapidly in recent years. Do you know about Methylene Blue?
The official answer: Methylene Blue is used as a dye in neuroanatomy and bacteriology and as an indicator of redox in biochemical studies. As an antidote, methylene blue is used in the treatment of methemoglobinemia caused by poisoning such as nitrite; it is also used in the treatment of cyanide poisoning and isocyclic phosphamide-induced encephalopathy.
What’s the preparation method of Methylene Blue?
Part 2: In-depth development
Crystallise the chloride from 0.1M 664 2HCl (16mL/g), the crystals are separated by centrifugation, washed with chilled EtOH and diethyl ether, and dried under vacuum. Crystallise it from 50% aqueous EtOH, wash it with absolute EtOH, and dry it at 50-55o for 24hours. It has also been crystallised from *benzene/MeOH (3:1). It has been salted out with NaCl from a commercial concentrated aqueous solution, then crystallised from water, and dried at 100o in an oven for 8-10hours. [Beilstein 27 III/IV 5152.]
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