Methylene Blue (Loeffler)


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This Methylene Blue Loeffler formulation is commonly used as a counterstain in the acid fast bacilli staining methods.

It is also useful for observing varieties of bacteria such as Corynebacterium diphtheria, Haemophilus influenzae, Neisseria, etc .

The Loeffler’s formulation can also be used to detect Helicobacter pylori in paraffin sections and touch smears of gastric mucosal biopsies.

Denatured Ethanol:    <30%
Methylene Blue
Potassium Hydroxide <1%

Hazard Class: 3

Packing Group: 3

Hazard Phrases: Flammable liquid and vapour.

Prec Phrases: Take precautionary measures against static discharge. Wear protective gloves/protective clothing/eye protection/face protection. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. In case of fire: Use Store in a well-ventilated place. Keep cool. Dispose of contents/container.

Cas No: 61-73-4


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Additional information

Weight N/A
Pack Size

100ml, 250ml, 500ml, 1L, 2.5L