Tetrasodium Pyrophosphate (CAS#7722-88-5)
Tetrasodium pyrophosphate is a significant inorganic phosphate compound. At room temperature, it appears as a white powder or crystalline powder, which is odorless and tasteless, and exhibits excellent fluidity.

Tetrasodium pyrophosphate Chemical Properties
| Melting point | 80 °C |
| Boiling point | 93.8 °C |
| density | 2.53 g/mL at 25 °C(lit.) |
| vapor pressure | 0Pa at 20℃ |
| storage temp. | Inert atmosphere,Room Temperature |
| solubility | H2O: 0.1 M at 20 °C, clear, colorless |
| form | Granular |
| color | White |
| Specific Gravity | 2.534 |
| Odor | Odorless |
| PH Range | 10.3 |
| Water Solubility | Soluble in water. Insoluble in ethyl alcohol. |
| Sensitive | Hygroscopic |
| Merck | 149240 |
| Exposure limits | NIOSH: TWA 5 mg/m3 |
| Stability: | Stable. Incompatible with strong oxidizing agents. |
| InChIKey | FQENQNTWSFEDLI-UHFFFAOYSA-J |
| LogP | -3.42 |
| CAS DataBase Reference | 7722-88-5(CAS DataBase Reference) |
| EPA Substance Registry System | Tetrasodium pyrophosphate (7722-88-5) |
Product Usage
Sodium pyrophosphate is widely applied across multiple industries. In the food sector, it serves as a pH regulator to enhance water retention in meat products and improve the taste of baked goods. In industrial applications, it functions as a water softener in water treatment, an auxiliary agent in detergents, and a complexing agent in electroplating. Additionally, it finds use in daily chemicals, pharmaceuticals, textile dyeing and color fixation, and as an anti-tartar agent in toothpaste.
Company Profile
Furuida (Jinan) Chemical Technology Co., Ltd., a Shandong-based fine chemical enterprise, handles everything from R&D and manufacturing to sales and worldwide service. Its business revolves around advanced chemical materials, and it operates on three firm principles: integrity in trade, rigorous quality control, and service treated as a long-term commitment. The company puts innovation into action rather than merely talking about it, and quality is verified at each step of production. This philosophy has allowed Furuida to break into new markets, sharpen its operations, and win the confidence of buyers.
Behind the company stands a proficient team well-versed in cross-border trade and technical assistance, supported by a well-established global supply network that ensures both dependability and fast response. Sales have now climbed past RMB 600 million annually, and enduring partnerships have been forged with more than 5,000 industrial clients spanning Asia, Europe, Africa, and Oceania. Such extensive coverage has fostered deep customer loyalty and wide-ranging industry respect.
On the product front, Furuida offers pharmaceutical intermediates, food additives, electroplating chemicals, water treatment agents, dye auxiliaries, functional new materials, titanium compounds, metal salts, catalysts, and surfactants. These are applied across pharmaceuticals, electronics, coatings, rubber and plastics, specialty chemicals, and water treatment. Building on this diverse lineup, Furuida delivers to customers worldwide products of consistent quality at fair prices, along with complete one-stop solutions that evolve with market demands.

