Methylene Blue React. Ph. Eur. 5g BIOLABORATORY

Methylene Blue Reag. Ph. Eur. (C.I. 52015) - for analysis

Technical information about chemical reagents:

• Chemical formula: C₁₆H₁₈ClN₃S
• CAS number: 61-73-4
• EC No.: 200-515-2
• Synonyms: Methylene chloride, Methylthioninium, Base Blue 9
• Quality designation: Reag. Ph. Eur., for analysis
• Purity: ≥ 82% (spectrophotometric dye content)

Examples of professional applications in various industries:

• Microscopy: Used as a dye in microscopy and histological procedures.
• Analytical chemistry: Used as a redox indicator and component of analytical reagents.
• Research laboratories: High-quality reagent meeting the requirements of the European Pharmacopoeia (Ph. Eur.) for precision analysis and testing.

Hazard statements on the product label:

H302: Harmful if swallowed.
H319: Causes serious eye irritation.
H335: May cause respiratory irritation.
H410: Very toxic to aquatic life with long-lasting effects.

Safety statements on the product label:

P261: Avoid breathing dust/fume/gas/mist/vapors/aerosol.
P264: Wash hands thoroughly after use.
P273: Avoid release to the environment.
P280: Wear protective gloves/protective clothing/eye protection/face protection.
P301 + P312: IF SWALLOWED: Call a POISON CENTER/doctor if you feel unwell.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P501: Dispose of contents/container to an approved waste disposal facility.

Recommended storage conditions:

1. Store in a cool, dry place, away from heat sources.
2. Protect from moisture to prevent clumping and loss of properties.
3. Store in tightly closed containers and protected from light.

Physical and chemical parameters:

• State: solid
• Melting point: approx. 180 °C
• Solubility: soluble in water (20 °C)
• λ max. in H₂O: 663 - 667 nm
• Absorption coefficient (1% solution, 1 cm, water): >2200
• Loss on drying at 110 °C: 8 - 16%

Quality specification:

• Content (spectrophotometric): ≥ 82%
• Identity: IR test - passed/failed
• Thin-layer chromatography (TLC): Test passed
• Loss on drying at 110 °C: 8 - 16%