Sodium metaphosphate is an inorganic salt used as a sequestrant and water-softening agent, not a fragrance material. It has essentially no odor.AI · claude-opus-4-7
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Perfume and Flavor Chemicals, page 1261.
White powder or flakes.
Soluble in water, slightly soluble in glycerin, insoluble in alcohol and oils.
Although this material was developed and is marketed mainly as a water softener and detergent, it has found some use as a sequestrant in food products, for which use it has been approved in the U.S.A.