Description

Metaphosphoric Acid is an inorganic acid and is a strong precipitating agent for water-soluble proteins. It is obtained by heating the ortho-acid or by adding one mol of water to one mol of phosphoric anhydride.

What it is used for and where
Cosmetics
pH adjuster. This ingredient tends to restore the pH of a cosmetic formulation to its optimal value. The correct pH value is an essential determinant for lipid synthesis in the stratum corneum. The average physiological pH value of the face ranges between 5.67 and 5.76. The hair fibre has a pH value of 3.67.
Synonyms: pH Adjusters
Trade name:

CAS: 10343-62-1 37267-86-0