Türk's solution is a hematological stain (crystal violet or aqueous methylene blue) in 1-2% acetic acid and distilled water. ... Turk's solution is intended for use in counting leukocytes in a defined volume of blood. Erythrocytes are hemolyzed while leukocytes are stained for easy visualization.

Methylene blue is used to stain animal cells to make their nuclei more observable. It is a component of staining media such as Wright's stain and Jenner's stain. Methylene blue is used to stain blood films/smears used in cytology and to stain RNA or DNA for viewing under the microscope or on hybridization membranes.

a basic thiazine dye C16H18ClN3S·3H2O used especially as a biological stain, an antidote in cyanide poisoning, and an oxidation-reduction indicator.

General purpose reagents used in many potential applications in chemical laboratories. ... MOLYCLEAN MA 03 PHOSPHATE FREE (Phosphate-NMT 0.002%).

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N,N-Dimethylaniline is used as an intermediate in the manufacture of dyes and other substances. Acute (short-term) inhalation exposure to N,N-dimethylaniline has resulted in effects on the central nervous system (CNS) and circulatory system, with headache, cyanosis, and dizziness in humans.

Morpholine appears as a colorless liquid with a fishlike odor. Flash point 100°F. Corrosive to tissue. Less dense than water and soluble in water. Vapors heavier than air. Used to make other chemicals, as a corrosion inhibitor, and in detergents.

An excess of morpholine is required because the water that separates during the reaction always contains a considerable amount of it in solution.

METHYL CELLULOSE LOW VISCOSITY 350 550 CPS  sold under a variety of trade names and is used as a thickener and emulsifier in various food and cosmetic products, and also as a treatment of constipation.

Carboxymethyl cellulose (CMC) is one of the most promising cellulose derivatives. Due to its characteristic surface properties, mechanical strength, tunable hydrophilicity, viscous properties, availability and abundance of raw materials, low-cost synthesis process

The Environmental Working Group (EWG) lists methylparaben as being a low to moderate health hazard. However, the hazard is only in regards to allergic reactions or product usage exceeding the recommended level. The EWG lists methylparaben's risk of causing cancer and reproductive toxicity at 0 percent.

Methyl orange is a pH indicator frequently used in titration because of its clear and distinct color variance at different pH values. Methyl orange shows red color in acidic medium and yellow color in basic medium. Because it changes color at the pKa of a mid strength acid, it is usually used in titration for acids.

Nickel or nickel sulfate hexahydrate is a common allergen that causes contact dermatitis in sensitized individuals. Nickel is a chemical that is widely used in utensils, jewelry, coins, metal buttons, eyeglasses, paper clips, keys, enamel dyes, and electrical wiring.

Dimethylacetamide is commonly used as a solvent for fibers (e.g., polyacrylonitrile, spandex) or in the adhesive industry. 

It is also employed in the production of pharmaceuticals and plasticizers  as a reaction medium. A solution of lithium chloride in DMAc (LiCl/DMAc) can dissolve cellulose