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%
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