Hydrogen fluoride is used to make refrigerants, herbicides, pharmaceuticals, high-octane gasoline, aluminum, plastics, electrical components, and fluorescent light bulbs. Sixty percent of the hydrogen fluoride used in manufacturing is for processes to make refrigerants.

Hydrazine sulfate is a chemical that has been studied as a treatment for cancer and as a treatment for the body wasting (i.e.cachexia) associated with this disease. It has been claimed that hydrazine sulfate limits the ability of tumors to obtain glucose, which is a type of sugar used by cells to create energy.

Hydrofluoric acid is a corrosive that is commonly used in industrial applications. It is used as a cleaning agent in the petroleum industry, in the production of high-octane fuel, glass etching, germicides, dyes, tanning, and fireproofing material, as well as in rust removal.

Hydrofluoric acid, hydrogen fluoride in water, has many uses in research laboratories. HF can be used to etch silicon for semiconductor work and can also be used to dissolve rock samples.

Hydroquinone, also known as benzene-1,4-diol or quinol, is an aromatic organic compound that is a type of phenol, a derivative of benzene, having the chemical formula C6H4(OH)2. It has two hydroxyl groups bonded to a benzene ring in a para position. It is a white granular solid. 

Hypoxanthine is a necessary additive in certain cell, bacteria, and parasite cultures as a substrate and nitrogen source. For example, it is commonly a required reagent in malaria parasite cultures, since Plasmodium falciparum requires a source of hypoxanthine for nucleic acid synthesis and energy metabolism.

Hydroxyethylcellulose is one of those ingredients that you may think sounds like some sort of synthetic, harsh chemical. ... Both of these are common ingredients found in both food and body care products and most of us consider these ingredients to be pretty harmless as far as toxicity is concerned.

Lactose monohydrate is a type of sugar found in milk. Due to its chemical structure, it's processed into a powder and used as a sweetener, stabilizer, or filler in the food and pharmaceutical industries. You may see it on the ingredient lists of pills, infant formulas, and packaged sweet foods.

Lactose is present as an excipient in nearly half of all solid medicines. Despite the assumption of chemical stability.

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Iodine 0.1 N: Weigh 40 g of potassium iodide (KI) in a 500 mL glass-stoppered flask and dissolve in 100 mL of purified water. Let the solution come to room temperature, add 12.7 g of resublimed iodine (I2), restopper the flask, and swirl the flask until the iodine is completely dissolved.

Hydrogen Peroxide 6% Solution is an antiseptic that is used for the treatment and prevention of wound infection. Hydrogen Peroxide 6% Solution kills and prevents the growth of infection-causing microbes, thereby preventing abrasions, cuts, or any break in the skin from getting infected.

Hydroxyethyl cellulose (HEC) is a cellulose-derived thickening and the gelling agent used in capsules containing hydrophobic drugs in order to improve dissolution of drugs within GI fluids in a method known as the hydrophilization method.

Hydroxyethyl Cellulose is extensively used in hair care products. HEC is not directly beneficial to your hair, but when added to the hair care products it gives a thick and creamy texture to your favourite hair care and personal care products