tetrasodium (phosphonooxy)phosphonate

Basic Information

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CAS Number

7722-88-5

Molecular Formula

Na4O7P2

Molecular Weight

265.9 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Agricultural Chemicals Pesticides Insecticides

Water Treatment Chemicals Coagulants and Flocculants Inorganic Coagulants

Basic Physical Properties

Melting Point

80 °C

Boiling Point

93.8 °C

Density

2.53 g/mL at 25 °C

Water Solubility

Soluble in water. Insoluble in ethyl alcohol.

Solubility

H2O: 0.1 M at 20 °C, clear, colorless

SMILES

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

InChI

1S/4Na.H4O7P2/c;;;;1-8(2,3)7-9(4,5)6/h;;;;(H2,1,2,3)(H2,4,5,6)/q4*+1;/p-4

InChIKey

FQENQNTWSFEDLI-UHFFFAOYSA-J

LogP

0.94120

Complexity

124

Safety Information

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GHS Hazard Pictograms

H315

H319

H335

Hazard Statement

H315 Causes skin irritation
Skin corrosion/irritation

H319 Causes serious eye irritation
Serious eye damage/eye irritation

H335 May cause respiratory irritation
Specific target organ toxicity, single exposure; Respiratory tract irritation

Stability

Stable. Incompatible with strong oxidizing agents.

Sensitiveness

Hygroscopic

Synonyms & References

English

Sodium pyrophosphate anhydrous
DECAHYDRATE TETRASODIUM PYROPHOSPHATE
DIPHOSPHORIC ACID TETRASODIUM SALT
DIPHOSPHORIC ACID, TETRASODIUM SALT, DECAHYDRATE
PYROPHOSPHATE INORGANIC
SODIUM DIPHOSPHATE
SODIUM DIPHOSPHATE DECAHYDRATE
SODIUM DIPHOSPHATE TETRABASIC DECAHYDRATE
SODIUM PYROPHOSPHATE
SODIUM PYROPHOSPHATE, 10-HYDRATE
SODIUM PYROPHOSPHATE DECAHYDRATE
SODIUM PYROPHOSPHATE TETRABASIC DECAHYDRATE
SODIUM TETRAPYROPHOSPHATE
TETRA-SODIUM DIPHOSPHATE
TETRA-SODIUM DIPHOSPHATE-10-HYDRATE
TETRA-SODIUM DIPHOSPHATE DECAHYDRATE
TETRASODIUM PYROPHOSPHATE
TETRASODIUM PYROPHOSPHATE DECAHYDRATE
TSPP
TSPP DECAHYDRATE
2-[3-(S)-[3-(2-(7-CHLORO-2-QUINOLINYL)ETHENYL)PHENYL]-3-HYDROXYPROPYL]PHENYL-2-PROPANOL
SODIUM PYROPHOSPHATE ANHYDROUS GR
Sodium pyrophosphate(V)
SPP
ACS
Sodium pyrophosphate, anhydrous, tech.
Pyrophosphoric acid tetrasodium salt
Phosphotex
Tetrasodium diphosphate
Victor TSPP
Diphosphoric acid, tetrasodium salt

MDL Number

MFCD00003513

FAQ

What is tetrasodium (phosphonooxy)phosphonate (CAS: 7722-88-5)?

Tetrasodium (phosphonooxy)phosphonate (CAS: 7722-88-5) is a sodium salt of a phosphonooxyphosphonic acid. Its chemical formula is Na₄P₂O₇, and it appears as a white, crystalline powder. It is highly soluble in water, making it versatile for various applications. This compound is known for its ability to chelate metal ions and act as a buffering agent. It is commonly used in industrial and pharmaceutical contexts due to its stability and reactivity properties.

What are the main uses of tetrasodium (phosphonooxy)phosphonate (CAS: 7722-88-5)?

Tetrasodium (phosphonooxy)phosphonate (CAS: 7722-88-5) is primarily used as a stabilizer in pharmaceuticals, food, and industrial products. It serves as a food additive (E339) to maintain pH and prevent oxidation. In pharmaceuticals, it helps in drug formulation by binding metal ions. Industrially, it is used in water treatment and as a component in cleaning agents. Its applications also extend to research for chemical synthesis and analytical purposes.

Is tetrasodium (phosphonooxy)phosphonate (CAS: 7722-88-5) safe?

Tetrasodium (phosphonooxy)phosphonate (CAS: 7722-88-5) is generally recognized as safe (GRAS) for food use by regulatory agencies like the FDA. It has low toxicity and is non-irritating when handled properly. However, industrial exposure requires caution to avoid inhalation or skin contact. Safety standards emphasize proper ventilation and PPE during handling. It is safe for pharmaceutical and research applications when following established protocols.

How should tetrasodium (phosphonooxy)phosphonate (CAS: 7722-88-5) be stored?

Tetrasodium (phosphonooxy)phosphonate (CAS: 7722-88-5) should be stored in a cool, dry place (ideally below 25°C) to maintain stability. It is hygroscopic, so keeping it in airtight containers is essential to prevent moisture absorption. Avoid exposure to light and incompatible substances. Storage conditions should ensure humidity levels remain below 60%. Proper labeling and secure storage are recommended to comply with safety and handling standards.