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Sodium Hexametaphosphate (SHMP)

Airedale Chemical’s Sodium Hexametaphosphate holds the formula Na6P6O18 and is also widely known as SHMP.


Cleaning Chemicals & Detergents

Industrial cleaning solution formulas


Food additive in which it is used under the E number E452i, it can be commonly found in canned or imitation milk, cheese and syrups as well as in roast beef, fish fillets and beer amongst over beverages.

Sodium carbonate is sometimes added to SHMP to raise the pH to 8.0-8.6, which produces a number of SHMP products used for water softening and detergents

Used as a dispersing agent to break down clay and other soil types.

One of the lesser-known uses is as a deflocculant

Used in the production of clay based ceramic particles

Active ingredient in toothpastes as an anti-staining and tartar prevention solution.


It is mainly used as a sequestrant and has applications within a wide variety of industries, for application such as a food additive as well as a dispersing agent to break down clay and other soil types.

Airedale Chemical manufacture SHMP as a clear, colourless solution with no distinguishing odours and as a solid, white powder with no distinguishing odour. If you are looking to buy Sodium Hexametaphosphate, the colourless solution can be supplied in 25L, 200L or 100L IBCs and the powder is available in 25kg bags.

CAS Number:
EC Number:
Other Names:
SHMP, Calgon S, Glassy Sodium, Graham’s Salt, Hexasodium Metaphosphate, Metaphosphoric Acid, Hexasodium Salt
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Available in the following sizes.

25kg Bag

25L Drum

200L Drum

1000L Container

Bulk Transfer

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