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61-73-4

61-73-4 structural image
Product Name: Methylene Blue
Formula: C16H18ClN3S
Synonyms: Methylene blue;Methylthioninium chloride;Basic Blue 9;Methylene Blue hydrate;Methylene Blue solution
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CHEMICAL AND PHYSICAL PROPERTIES

Physical Description Dark green crystals or powder with a bronze-like luster; Solutions in water or alcohol are deep blue; [ChemIDplus]
Color/Form Dark green crystals or powder from chloroform-ethyl ether
Odor Slight odor
Melting Point 100 to 110 °C (with decomposition)
Solubility In water, 43,600 mg/L at 25 °C.
Vapor Pressure 0.00000013 [mmHg]
Stability/Shelf Life Stable under recommended storage conditions.
Decomposition When heated to decomposition it emits very toxic fumes of /nitrogen oxides, sulfur oxides and chloride/.
Other Experimental Properties Dark green crystals or crystalline powder with bronze luster. Odorless; stable in air. Absorption max: 668, 609 nm. Soluble in water and chloroform; sparingly soluble in alcohol. Deep blue solution in water or alcohol. Forms double salts. /Methylene blue trihydrate/
Chemical Classes Dyes -> Azine Dyes

SAFETY INFORMATION

Signal word Warning
Pictogram(s)

Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H302:Acute toxicity,oral
Precautionary Statement Codes P264:Wash hands thoroughly after handling.
P264:Wash skin thouroughly after handling.
P270:Do not eat, drink or smoke when using this product.
P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
P501:Dispose of contents/container to..…

COMPUTED DESCRIPTORS

Molecular Weight 319.9 g/mol
Hydrogen Bond Donor Count 0
Hydrogen Bond Acceptor Count 4
Rotatable Bond Count 1
Exact Mass 319.0909965 g/mol
Monoisotopic Mass 319.0909965 g/mol
Topological Polar Surface Area 43.9 Ų
Heavy Atom Count 21
Formal Charge 0
Complexity 483
Isotope Atom Count 0
Defined Atom Stereocenter Count 0
Undefined Atom Stereocenter Count 0
Defined Bond Stereocenter Count 0
Undefined Bond Stereocenter Count 0
Covalently-Bonded Unit Count 2
Compound Is Canonicalized Yes

PRODUCT INTRODUCTION

description

Methylene blue is an organic chloride salt having 3,7-bis(dimethylamino)phenothiazin-5-ium as the counterion. A commonly used dye that also exhibits antioxidant, antimalarial, antidepressant and cardioprotective properties. It has a role as an EC 1.4.3.4 (monoamine oxidase) inhibitor, an acid-base indicator, a fluorochrome, an antidepressant, a cardioprotective agent, an EC 3.1.1.8 (cholinesterase) inhibitor, a histological dye, an EC 4.6.1.2 (guanylate cyclase) inhibitor, an antioxidant, an antimicrobial agent, a neuroprotective agent, a physical tracer and an antimalarial. It contains a 3,7-bis(dimethylamino)phenothiazin-5-ium.

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