Methylene blue

Also called methylthionine chloride, it is an organic dye with multiple functions. It is also known as methylthionine chloride. Its main use is as a dye for industrial use, used as a paint in staining for observations through a microscope and for painting results in laboratories.

IDENTIFICATION AND PROPERTIES

Name: Methylene blue
Synonyms: Methylthionine chloride
Chemical formula: C₁₆H₂₄ClN₃O₃S
CAS: 61-73-4
EC: 200-515-2
Concentration: 75-95%

• Physical state (20ºC): Powder-Solid
• Colour: Blue
• Odour: Odourless
• Vapour pressure: negligible
• Flammability: This material is combustible, but not readily flammable.
• Melting point: > 100 (180-190) ºC
• Decomposition temperature: > 190 ºC
• pH: 4-6 (10 g/L, 20 ºC)
• Solubility: Soluble in water
• Water solubility: 50 g/L (20 ºC) (similar products)
• Bulk density: 400-600 kg/m³ (similar products)

USES OF METHYLENE BLUE

• Dye for industrial use