Phosphoric Acid

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Phosphoric Acid CAS 7664-38-2  Is available from RightPath Industries in bulk and small packaging in various grades.  For pricing please contact us or fill out the form below.

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Product Description

Phosphoric Acid CAS 7664-38-2  the most common source of phosphoric acid is an 85% aqueous solution; such solutions are colourless, odourless, and non-volatile. The 85% solution is a syrupy liquid, but still pourable.  RightPath Industries offers Phosphoric Acid 85% as well as Phosphoric Acid 75%.  We currently offer phosphoric acid in bulk as well as small packaging from technical grade all the way up to USP grade phosphoric acid. For pricing please fill out the form below or contact us.


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Originally discovered around 1669, the basis of phosphoric acid is phosphorus. Many people of the time were alchemists, searching for a secret ingredient (known as the “philosopher’s stone”) that could turn base metals into gold or silver, and experimentation with different materials was rife.

Hennig Brand was one such alchemist, and although he never did find a way to turn anything into a precious metal, his discovery of phosphorus has had an impact until this very day.

He had read a recipe that used potassium nitrate, alum, and concentrated urine to create a philosopher’s stone, and set about concentrating urine by heating it. When the residue reached a certain temperature, glowing fumes were emitted, and a liquid was produced that would burst into flames.

He found he could store the liquid in a jar where it would emit a green glow. He named this material “phosphorus”, from the Greek word meaning “light-bearer”, and believed it to be a form of cold fire.

Just over 100 years later, phosphoric acid was discovered in bone ash by KW Scheele and JG Gahn, with Scheele going on to produce phosphoric acid by combining nitric acid and phosphorus.

Phosphoric acid has been used as a fertilizer, possibly due in part to it being mentioned in the 1840 book Organic Chemistry in its Application to Agriculture and Physiology. Phosphoric acid distributors found that many people wished to use it to enhance the growth of their plants and produce.

Still used in modern times as a fertilizer, phosphoric acid has a number of other uses that have been developed over the years. It’s non-toxic and mildly acidic which means it can be used in many products designed for human use and consumption.

This includes flavorings for foods, skincare products, cosmetics, and even dental products. Food-grade phosphoric acid is known as additive E338 and will give food a tangy or sour taste. This has uses in soft drinks (such as cola) to help obtain the desired flavor, and phosphoric acid can also be used to clarify liquids.

Around the home, you may find it in cleaning products or used as a rust removal agent or sanitizing agent.

It can be used as an electrolyte and as a pH modifier, but care must be taken. At high concentrations, it can cause burns to the skin and is corrosive and should therefore always be handled with care.

A phosphoric acid distributor will provide the quantity and quality/grade of phosphoric acid for the requirements of your industry. Packaged and transported safely, you can be certain of a great result when choosing us as your phosphoric acid distributor.

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