Phosphoric acid is not a fragrance material — it is a mineral acid used occasionally as a pH adjuster in cosmetic bases. In isolation it has a faintly sharp, sour, metallic-mineral smell with no perfumery character.AI · claude-opus-4-7
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Perfume and Flavor Chemicals, page 1141.
The commercial material is a syrupy liquid. Very pure, anhydrous Phosphoric acid is a colorless crystalline material.
Miscible with water, soluble in alcohol and in many oils.
Practically odorless.
Aqueous solutions of concentration near or below 500 ppm have a sharp acid taste.
This acid is sometimes preferred over citric acid as a food acid because it produces a quick-sharp acidity or taste impression. This is particularly desirable in Cola-type carbonated beverages. The concentration used is about 500 ppm in carbonated beverages and up to 5000 ppm in candy. The acid is also used in Cheese and Beer as a pH-adjusting acid.
Produced from natural crude Tricalcium phosphate and Sulfuric acid.