Methyl Violet, 1 g

These aluminum weighing boats or weighing dishes have multiple lab uses.

This 30 ml bottle of methyl orange solution is a common pH indicator; it turns red at 3.2 pH and yellow at 4.4 pH! Take a look at the table below to discover the methyl orange formula, density, shelf life, and more!

Methyl red is a pH indicator; it turns pink/red at 4.4 pH & lower, yellow at 6.2 pH & higher, and orange in between. This 30 ml bottle is a 0.02 wt% aqueous solution. Look below to discover the methyl red formula & more!

This 30 ml bottle of phenol red is a pH indicator; it turns yellow below 6.8 pH & bright pink above 8.2 pH. Take a look at the table below to discover the phenol red pH indicator formula, density, shelf life, and more!

Methylene blue stain is a solution used to highlight certain cell parts of animal, bacteria, and blood tissue specimens. This stain is a 1% aqueous solution, and it's especially useful for microscope slide preparation.

This is the crystal violet stain used for the Gram's bacteria staining technique. Use this 15 ml bottle of crystal violet Hucker's to stain bacteria a purple color! Find its density, formula, and more below.

This 15 ml bottle of thymol blue is a pH indicator. Changes from red at 1.2 pH to yellow at 2.8 pH. Changes from yellow at 8.0 pH to blue at 9.6 pH. Look below to discover the thymol blue formula, storage code, and more!

Toluidine blue solution is a biological stain for staining nuclear material during mitosis! Take a look at the table below to discover the toluidine blue formula, density, and more.

This 30 ml bottle of Eosin Y 1% stain is an aqueous solution. The acidic nature of Eosin Y stains basic cell parts pink-orange, making it a good counter-stain with methylene blue. Substitute for Congo Red/Neutral Red stain.

This 30 ml bottle of universal indicator is a pH indicator. It tests for the presence of acids and bases, and the color changes from 2 to 10 pH. Comes with a pH color universal indicator chart!