Sodium Metaphosphate

Basic Information

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CAS Number

13708-85-5

Molecular Formula

HNa2O3P

Molecular Weight

125.96 g/mol

Basic Physical Properties

SMILES

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[O-]P(=O)[O-].[Na+].[Na+]

InChI

InChI=1S/3Na.O3P/c;;;1-4(2)3/q3*+1;-3

InChIKey

NCPXQVVMIXIKTN-UHFFFAOYSA-N

LogP

0.50480

Complexity

Synonyms & References

English

Phosphonic acid, disodium salt
Sodium phosphite
Sodiumphosphitetech
trisodium,phosphite
Hypophosphoric acid,sodium salt
tripotassium phosphite
Sodium Hyphosphite
Dinatriumphosphonat
disodium phosphonate
SODIUMPHOSPHITE,DIBASIC
Sodium hydrogen phosphite
Phosphorous acid disodium salt
Sodium phsophite dibasic anhydrous
Trisodium phosphite
Phosphorous acid hydrogen=disodium salt

MDL Number

MFCD30183334

FAQ

What is Sodium Metaphosphate (CAS: 13708-85-5)?

Sodium metaphosphate (CAS: 13708-85-5) is an inorganic compound commonly used in various industrial and pharmaceutical applications. It has the chemical formula Na4P2O7. It is a white, odorless powder with good solubility in water and is slightly toxic. It is used as a buffering agent, a food additive, and in water treatment processes.

What are the main uses of Sodium Metaphosphate (CAS: 13708-85-5)?

Sodium metaphosphate (CAS: 13708-85-5) is widely used in the food industry as a leavening agent, a water softener, and a stabilizer. It is also used in pharmaceuticals for its buffering properties, in water treatment for pH control, and in leather processing to improve the quality of the finished product.

Is Sodium Metaphosphate (CAS: 13708-85-5) safe?

Sodium metaphosphate (CAS: 13708-85-5) is generally considered safe for use in food and pharmaceutical applications when used according to the specified guidelines. However, it is slightly toxic, and exposure should be minimized. Protective measures include wearing gloves and protective clothing during handling and proper ventilation in industrial settings.

How should Sodium Metaphosphate (CAS: 13708-85-5) be stored?

Sodium metaphosphate (CAS: 13708-85-5) should be stored in a dry, cool, and well-ventilated area away from direct sunlight and moisture. It should be kept in a sealed container to prevent moisture absorption. Store at room temperature (15-25°C) and avoid contact with incompatible materials such as acids and strong bases.