| Customization: | Available |
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| CAS No.: | 7758-29-4 |
| Formula: | N/a |
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Sodium Tripolyphosphate (STPP), CAS number 7758-29-4, is an inorganic compound with the chemical formula Na5P3O10. It is a white, water-soluble powder that is commonly used as a food additive, industrial cleaner, and in various other applications due to its versatile properties .
In the food industry, STPP is used as a quality improver, moisture retainer, pH regulator, and sequestrant. It helps to improve the texture and stability of food products and is particularly used in canned goods, meat products, and dairy products . The additive enhances the whipping properties of egg-containing angel food cake mixes and meringues, reduces gelling of juices and canned ham, and tenderizes canned peas and lima beans .
Industrially, STPP is utilized as a component in detergents and cleaners due to its ability to soften water, disperse and emulsify oils, and provide alkalinity. It acts as an effective water softener, helping to prevent scale buildup in boilers and cooling systems . Additionally, it is used as a dispersing agent in various industrial processes, including paper manufacturing, textile dyeing, and as a deflocculant in drilling mud .
STPP is also known for its ability to sequester metal ions, which helps prevent the formation of soap scum in detergents and inhibits corrosion in industrial processes. It provides a mild alkaline environment with a pH of around 9.7 in a 1% solution, which is beneficial for many cleaning and processing activities
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