Methylene Blue as a stored dye: parameters against shelf practice

Description

Methylene blue is a phenothiazine dye traded as the chloride salt. The table below sets each catalogue parameter against the practical conclusion it forces on classification, shelf conditions, transport and records. Zobacz również materiał badawczy o zbliżonej specyfikacji: Alpha GPC, purity ≥ 99% weight 1000mg net..

Zestawienie parametrów materiału

Parameter	Value	Practical conclusion in the store
CAS registry number	61-73-4	Identifier compared with the certificate at goods-in; the synonym methylthioninium chloride resolves to the same stock position.
Molecular formula	C16H18ClN3S	Describes the chloride salt, which is the form normally supplied; the formula is reconciled with the label before shelving.
Molar mass	319.85 g/mol for the anhydrous chloride	Commercial material is frequently hydrated, so the water content stated in the lot specification governs any mass recalculation.
Hydration state	as declared on the certificate of the lot	Decides whether the catalogue mass or a corrected value is entered in the consumption ledger.
Appearance	dark solid giving an intensely blue aqueous solution	Even traces stain skin, clothing, balances and shelving, so dedicated spatulas and a wipeable working surface are standard.
Assay	as printed on the certificate of analysis	Dye content varies between grades; the microbiology, microscopy and analytical grades are never treated as interchangeable.
Compatibility group	from the classification section of the data sheet	Kept apart from strong oxidising agents and from reducing agents that would discharge the colour.
Light exposure	photoactive dye	Stored in a closed cabinet or an opaque container, and solutions are dated at the moment of preparation.

Goods-in control compares three documents before a shelf position is assigned: the waybill, the order and the certificate. A grade designation that differs from the one ordered is treated as a discrepancy, because grades of this dye carry different assay ranges. Zobacz również odczynnik laboratoryjny tej klasy: L-Tyrosine / L-Tyrosine /Tyrosine Purity ≥ 99% 100.

Segregation is written on the shelf label as well as in the register, so that the arrangement survives a change of storekeeper. Spillage control matters more here than for most solids, since a stain on a shelf or a balance pan is a persistent contamination route.

For any movement the primary container goes into a rigid outer box with absorbent filler, and copies of the certificate and the safety data sheet accompany the transport note. The receiving store repeats the complete identity check and opens its own stock card.

Periodic inspection covers caking, seal damage and staining inside the secondary packaging. The stock card is closed by a transfer, a waste protocol or an exhaustion entry, and the archived certificate keeps the lot traceable afterwards.

Materiały o zbliżonej charakterystyce

• L-Tyrosine / L-Tyrosine /Tyrosine Purity ≥ 99% 1000mg
• Alpha GPC, purity ≥ 99% weight 1000mg net.
• Coluracetam, czystość substancji ≥ 99%, 1000mg
• Sunifiram, czysta substancja chemiczna ≥ 99%. 1000mg.

Wybrane publikacje

Badania na zwierzętach i in vitro indeksowane w bazie PubMed; strona nie zawiera wskazówek dotyczących stosowania u ludzi.

• Yang L Mitochondria as a target for neuroprotection: role of methylene blue and photobiomodulation 2020, Translational neurodegeneration. PMID 32475349
• Rojas JC Neurometabolic mechanisms for memory enhancement and neuroprotection of methylene blue 2012, Progress in neurobiology. PMID 22067440
• Batista-Filho MM Role of Methylene Blue in Trauma Neuroprotection and Neuropsychiatric Diseases 2016, CNS & neurological disorders drug targets. PMID 27450870
• Wiklund L Neuroprotection by Methylene Blue in Cerebral Global Ischemic Injury Induced Blood-Brain Barrier Disruption and Brain Pathology: A Review 2016, CNS & neurological disorders drug targets. PMID 27633785