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Methylene Blue, Trihydrate (Basic Blue 9)
methylene-blue-trihydrate-basic-blue-9

Blue dye for medical and laboratory use.

SKU: ME140
Phenolphthalein Solution, 1% In Alcohol
phenolphthalein-solution-1-in-alcohol

Acid-base indicator with colorless to pink to red transition.

SKU: PHPH1
methylene-blue-trihydrate-basic-blue-9
Methylene Blue, Trihydrate (Basic Blue 9) (ME140)

Methylene Blue Trihydrate


Methylene Blue Trihydrate, also known as Basic Blue 9 trihydrate, is a fine crystalline powder with the chemical formula C16H18ClN3S . 3H2O. It finds its application in histology, bacteriology (staining), compounding of blood stains, anti-fungus treatment on fish eggs. It can also be used as a protozoacide and a fungicide.


Key Features:

  • Used in histology and bacteriology staining
  • Effective anti-fungus treatment for fish eggs
  • Can be used as a protozoacide and a fungicide
  • Chemical formula: C16H18ClN3S . 3H2O

Product Specifications:

SynonymsBasic Blue 9, trihydrate; Methelyne blue trihydrate; 3,7-Bis(dimethylamino)phenazathionium chloride trihydrate
CAS No.7220-79-3
FormulaC16H18ClN3S . 3H2O
AppearanceFine yellow powder
ApplicationHistology, bacteriology (staining), compounding of blood stains, anti-fungus treatment on fish eggs, protozoacide and fungicide.

Similar Products:

  • Toluidine blue
  • Crystal Violet
  • Safranin O
  • Methylene Green
  • Wright's Stain

Note: These are similar products, and each product is different, so research is required to find the best fit for your needs.

Caution: Handle with care, may cause skin irritation, harmful if swallowed or inhaled. Keep out of reach of children.


Perfect for histologists, bacteriologists and those in need of anti-fungal treatment for fish eggs.
SKU: ME140
phenolphthalein-solution-1-in-alcohol
Phenolphthalein Solution, 1% In Alcohol (PHPH1)
For MSDS Go to Downloads Tab

Phenolphthalein


Phenolphthalein (C20H14O4) is an organic compound used as an acid-base indicator. It is prepared using alcohol as a solvent due to its poor solubility in water. The indicator has a visual transition interval that is colorless at pH 8.0, pink at 8.5 and red at pH 10.0.


Key Features:

  • Organic compound
  • Used as an acid-base indicator
  • Colorless at pH 8.0, pink at pH 8.5, and red at pH 10.0
  • Poorly soluble in water, typically prepared using alcohol as a solvent

Product Specifications:

CAS No.7220-79-3
FormulaC16H18ClN3S . 3H2O
ApplicationFor use in histology, bacteriology (staining), compounding of blood stains, anti-fungus treatment on fish eggs. It can also be used as a protozoacide and a fungicide.

Perfect for: laboratories, educational institutions, and research facilities.
SKU: PHPH1
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