Appearance：Yellowish clear liquid
Boiling Point：132-142ºC (4 mmHg)
CAS No. 3473-76-5, also known as Methylene Blue, is a dye used in the chemical industry. It is a blue dye with a deep blue color and is used in a variety of applications, including in cosmetics, inks, and as an indicator for pH in chemistry experiments.
Methylene Blue is a heterocyclic aromatic compound and is classified as an azine dye. It is composed of a single benzenoid ring with two nitrogen atoms. The molecular formula for Methylene Blue is C16H18ClN3S and its molecular weight is 319.83 g/mol.
Methylene Blue is a strong dye and has a high affinity for protein and nucleic acid molecules. It is used in a variety of medical applications, such as in the treatment of urinary tract infections, as a topical antiseptic, and as an anti-fungal agent.
In the industrial sector, Methylene Blue is used in a variety of applications. It is used as a dye in the textile industry, as a colorant in paints and inks, and as a pH indicator in analytical chemistry experiments. Methylene Blue is also used in the photographic industry as a developer and in the printing industry as a toner.
Methylene Blue is a relatively safe compound and is not acutely toxic. However, it may cause skin irritation and respiratory irritation if inhaled. It should be handled with care and stored in a closed container in a cool, dry place.