1.00327

Sigma-Aldrich

Hydrochloric acid in ethanol

for microscopy

Synonym(s):
Hydrogen chloride solution, Hydrogen chloride – ethanol solution, Hydrochloric acid in ethanol
Linear Formula:
HCl · CH3CH2OH
CAS Number:
Molecular Weight:
36.46
Beilstein/REAXYS Number:
1098214
MDL number:

storage conditions

Store at +5°C to +30°C.

Quality Level

form

liquid

IVD

for in vitro diagnostic use

application(s)

hematology: suitable
histology: suitable

pH

1.0 (20 °C in H2O)

transition temp

flash point 21 °C

density

0.90 g/cm3 at 20 °C

Featured Industry

Clinical Testing
Diagnostic Assay Manufacturing

storage temp.

2-30°C

SMILES string

Cl

InChI

1S/ClH/h1H

InChI key

VEXZGXHMUGYJMC-UHFFFAOYSA-N

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General description

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, as e.g. in the Tb-color staining set. 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. 1l 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.
for microscopy

Application

For microscopy. Ziehl-Neelsen staining
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