Hydrochloric acid in ethanol for microscopy, Sigma-Aldrich®

Supplier: MilliporeSigma
Danger

Synonyms: Hydrochloric acid solution, Muriatic acid

M-Clarity™ quality level = MQ300

1.00327.1000 1.00327.5000
EM1.00327.1000EA 135.88 CAD
EM1.00327.1000 EM1.00327.5000
Hydrochloric acid in ethanol for microscopy, Sigma-Aldrich®
Hydrochloric acid

Hydrochloric acid in ethanol is used for the microscopical investigation of mycobacteria in sample material of human origin. It can be applied as decolorizing solution.


  • For microscopy
  • Ziehl-neelsen staining


Once stained, the acid fast mycobacteria keep their coloring even after treatment with strong decolorizing solutions as HCl-ethanol. They remain stained red after counterstaining, whereas the microorganisms susceptible to acid take on the color of the counterstain. 1 L of the hydrochloric acid in ethanol is capable of decolorizing up to 500 slides.


The product is registered as IVD / CE product and can be used in diagnostics and laboratory accreditation.

Formula: HCl
MW: 36.46 g/mol
Density: 0.90 g/cm³ (20 °C)
Flash Pt: 21 °C
Storage Temperature: Ambient
MDL Number: MFCD00011324
CAS Number: 7647-01-0
UN: 2924
ADR: 3 (8),II

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